Dell PowerVault MD3420 Manual de usuario

Dell PowerVault MD 34XX/38XX Series Storage ArraysCLI Guide

Enable RAID Controller Module Data Transfer...226Enable Storage Array Fea

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9Using The Remote Replication (Legacy) Premium FeatureThe Remote Replication (legacy) premium feature provides for online, real-time replication of da

RAID controller module owner of the primary virtual disk but will not accept host write requests. Hosts are able to read from the secondary virtual di

write operation to copy the affected data blocks to the secondary virtual disk at the secondary storage array.The Remote Replication (legacy) premium

mode you chose when setting up the replication relationship. During the resynchronization, only the blocks of data that have changed on the primary vi

3. Determine candidates for a remote replicated pair.4. Create the remote relationship.Performance ConsiderationsKeep these performance considerations

controller module. If you enter a value for the repository storage space that is too small for the replication repository virtual disks, the firmware

This example shows how to use the command in a script file:activate storageArray feature=remoteReplicationrepositoryRAIDLevel=5repositoryPhysicalDisks

Determining Candidates For A Remote Replicated PairAll of the virtual disks and physical disks on the remote storage array might not be available for

data on the primary virtual disk as possible. The highest synchronization priority does, however, use more system resources, which can reduce system p

Revive Snapshot Group...261Revive Sn

blocks on the primary virtual disk are written to the secondary virtual disk. Full synchronization is not required.NOTE: If you suspend a remote repli

To re-establish the link between a primary virtual disk and a secondary virtual disk, use the create remoteReplication command.Deleting A Primary Virt

Snapshot Virtual DisksA snapshot virtual disk is a point-in-time image of a virtual disk. It is typically created so that an application, such as a ba

access to the virtual disk, and any attempt to write to the read-only target virtual disk results in a host I/O error.If you want hosts to have write

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10Maintaining A Storage ArrayMaintenance covers a broad spectrum of activities. Its goal is to keep a storage array operational and available to all h

Recovered media errorThe physical disk could not read the requested data on its first attempt. The result of this action is that the data is rewritten

RAID 0 virtual disksNo redundancy exists.NOTE: Do not run consistency checking commands on RAID 0 virtual disks.Before attempting a consistency check,

• Change or delete logical unit number (LUN) mappings on a virtual disk holding a reservation.• Delete virtual disk groups or virtual disks that have

Type of Information Descriptionmodule pair, regardless if one, both, or neither are selected for monitoringTotal I/Os Number of total I/Os performed s

Set Session...300

performance is maximized when a single I/O request is serviced with a single data stripe; use smaller values for the segment size. To change the segme

Creating SSD CacheTo create ssdCache command SSD read cache:create ssdCache userLabel="ssdCacheName"physicalDisks=(enclosureID1,drawerID1,sl

NOTE: If you reboot a RAID controller module or make configuration changes to any SSD Cache options during the modeling run, no data will be saved.Add

For best results, run all three tests at initial installation. Also, run the tests any time you make changes to the storage array or to components con

might significantly reduce performance. The disk groups are automatically transferred back to the preferred RAID controller module when it is placed b

Initializing A Virtual DiskCAUTION: When you initialize a virtual disk, all data on the virtual disk and all information about the virtual disk are er

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11Script CommandsCAUTION: Script commands are capable of changing the configuration and may cause loss of data if not used correctly. Command operatio

• You must enter spaces in the commands as they are shown in the command descriptions.• Brackets are used in two ways:– As part of the command syntax–

On Microsoft Windows, you must put a backslash (\) before and after the name in addition to other delimiters. For example, the following name is used

Show SNMP MIB II System Group Variables...344Show Snapshot Group...

Save Enclosure Log DataSet Enclosure AttributeSet Enclosure IdentificationStart Enclosure BlinkStop Enclosure BlinkHost Topology CommandsCreate HostCr

Save Physical Disk LogSet Virtual DiskSet Foreign Physical Disk to NativeSet Physical Disk Hot SpareSet Physical Disk Channel StatusSet Physical Disk

Check Remote Replication Group ConsistencyCheck Remote Replication StatusCreate Remote ReplicationCheck Storage Array ConnectivityClear Remote Replica

Re-Create SnapshotSet Snapshot Virtual DiskStop SnapshotSSD Cache CommandsAdd Physical Disks to SSD CacheChange SSD Cache Application TypeCreate SSD C

Save Storage Array SAS PHY CountsSave Storage Array State CaptureSave Storage Array Support DataSet Storage ArraySet Storage Array Enclosure Positions

Show Virtual Disk ReservationsStart Virtual Disk InitializationVirtual Disk Copy CommandsCreate Virtual Disk CopyRecopy Virtual Disk CopyRemove Virtua

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12Commands Listed AlphabeticallyFollowing are the script commands listed alphabetically.Activate Remote Replication FeatureNOTE: This command is used

ParametersParameter DescriptionrepositoryRAIDLevelThe RAID level for the replication repository virtual disk. Valid values are 0, 1, 5, or 6.repositor

NotesThe repositoryPhysicalDisks parameter supports both high-capacity expansion enclosures and low-capacity expansion enclosures. A high-capacity exp

Start Snapshot Rollback... 375Start S

Syntaxactivate storageArray firmwareParametersNoneAdd Member To Consistency GroupDescriptionThis command adds a new base virtual disk as a member to a

Parameter DescriptionIf the specified virtual disk is an existing repository virtual disk or an existing snapshot virtual disk, the command fails.repo

You can place the repository virtual disk in a disk group or a disk pool of your choosing. You are not required to have the repository virtual disk in

NotesThe SSD cache can contain any number of SSDs. The maximum size of the SSD cache is 5 TB, but might be less depending on the size of the RAID cont

Parameter Description• The term repos.• A four digit numerical identifier that you assign to the repository virtual disk name.Enclose the name of the

hotSpareCount=numberOfHotSparessegmentSize=segmentSizeValuecacheReadPrefetch=(TRUE | FALSE)securityType=(none | capable | enabled)]ParametersParameter

Parameter Description• enabled—The disk group and virtual disks have security enabled.Autoconfigure Storage Array Hot SparesDescriptionThis command au

Cancel Remote Replication Group Role ReversalDescriptionThis command cancels a pending role reversal operation between remote replication groups.Synta

Parameter Descriptioncache. Valid values are webServer, dataBase, or fileSystem.Check Remote Replication StatusNOTE: This command valid only with Fibr

ParametersParameter DescriptionasyncRemoteReplicationGroupThe alphanumeric identifier (including - and _) of the remote replication group on which to

13 Sample Script Files...403Configuration Script Example 1..

Parameter Descriptioncheck. Enclose the snapshot group identifier in square brackets ([ ]).snapVirtualDiskThe alphanumeric identifier (including - and

ParametersParameter DescriptionremoteStorageArrayNameThe name for the remote storage array for which you are checking connectivity. Enclose the storag

Parameter Descriptionspecial characters, you must also put quotation marks (" ") around the virtual disk name.consistencyErrorFileName of th

Clear Remote Replication FaultDescriptionThis command clears a remote replication "sticky" fault from one or more remote replication groups

Parameter Descriptionclear the remote replication fault. Enclose the member virtual disk name in square brackets ([ ]). If the virtual disk name has s

Parameter Descriptioninformation returns the storage array to its initial state.diskGroupsThe setting to remove the virtual disk configuration and the

ParametersNone.Clear Storage Array Firmware Pending AreaDescriptionThis command deletes a previously downloaded firmware image or nonvolatile static r

Syntaxclear (allVirtualDisks | virtualDisk [virtualDiskName]| virtualDisks [virtualDiskName1... virtualDiskNameN])reservationsParametersParameter Desc

NOTE: You can use any combination of alphanumeric characters, hyphens, and underscores for the names. Command names can have a maximum of 30 character

ParameterParameter DescriptionbaseVirtualDiskThe alphanumeric identifier (including - and _) of the base virtual disk that has the snapshots (legacy)

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Parameter Descriptionselected to purge the snapshot images for a repository full policy. The default value is 32.enableScheduleWhether the ability to

successfully for all of the consistency group members, the operation fails and has no affect (that is, new snapshot images are not created).Based on t

Create Consistency Group Snapshot Virtual DiskDescriptionThis command creates a snapshot virtual disk of specific images in the base virtual disks in

Parameter DescriptionWhen you do not use the members parameter, all of the members are automatically added to the new consistency group snapshot virtu

• Creating a consistency group snapshot virtual disk that has a repository full limit set to 60 percent on a snapshot consistency group named snapCG1

Create Disk GroupDescriptionThis command creates either a free-capacity disk group or a disk group with one virtual disk when you enter a set of assig

Parameter DescriptionphysicalDiskTypeThe type of physical disk that you want to use in the virtual disk. You cannot mix physical disk types. The valid

Parameter Description• enabled—The disk group and virtual disks have security enabled.Additional InformationCache Read PrefetchThe cacheReadPrefetch c

• create storageArray securityKey• set storageArray securityKey• start secureErase (physicalDisk | physicalDisks)• enable diskGroup [diskGroupName] se

ParametersParameter DescriptionphysicalDisksThe physical disks you want to assign to the disk pool. Enclosure ID values are 0 to 99; drawer ID values

1CLI Command UpdatesThis chapter reflects new and updated commands that are available for use with the Dell PowerVault MD34XX/MD38XX Series storage ar

Parameter Description• enabled—The virtual disk candidates have security enabled.The default value is none.physicalDiskMediaTypeYou must use this para

[hostType=(hostTypeIndexLabel |hostTypeIndexNumber)]ParametersParameter DescriptionuserLabelThe name that you want to give the host that you are creat

Syntaxcreate hostPort identifier="wwid" userLabel="portLabel" host="hostName"interfaceType=SASParametersParameter Descri

ParametersParameter DescriptioniscsiNameThe default identifier of the iSCSI initiator.userLabelThe name that you want to use for the iSCSI initiator.

Parameter DescriptionNOTE: The physicalDiskCount parameter enables you to choose the number of physical disks to use in the disk group. You do not nee

Parameter Descriptioninformation about the enclosureLossProtect parameter, see Enclosure Loss Protection.drawerLossProtectThe setting to enforce drawe

Parameter DescriptionNOTE: You can use any combination of alphanumeric characters, hyphens, and underscores for the names. Spaces are not allowed. Com

Parameter DescriptioncacheReadPrefetchThe setting to turn on or turn off cache read prefetch. To turn on cache read prefetch, set this parameter to TR

Syntaxcreate virtualDisk physicalDisks(enclosureID1,drawerID1,slotID1 enclosureID2,slotID2...enclosureIDn,drawerIDn,slotIDn)[diskGroupUserLabel=[diskG

Parameter DescriptionuserLabelName that you want to give the new virtual disk. You must put quotation marks (" ") around the new virtual dis

• Activate Remote Replication (Legacy)• Download Storage Array NVSRAM• Resume Remote Replication Group• Resume Snapshot (Legacy) Rollback• Set RAID Co

Parameter Descriptionshould be the default values. The default values are based on the typical I/O usage pattern of the application that is using the

Parameter DescriptionSize is defined in units of MB, GB, or TB. The following are examples of the syntax:• capacity=500MB• capacity=2GBthinProvisioned

Create Read-Only Snapshot Virtual DiskDescriptionThis command creates a read-only snapshot virtual disk for the snapshot images of a base virtual disk

NotesYou can use any combination of alphanumeric characters, underscore (_), hyphen (-), and pound (#) for the names. Names can have a maximum of 30 c

Parameter DescriptionremoteStorageArrayNameThe name of the remote storage array. Enclose the remote storage array name in double quotation marks (“ ”)

priority level is selected, the data synchronization uses the most system resources to perform the full synchronization, which decreases performance f

Parameter Descriptionreplication group name in double quotation marks (" ").The name must be unique on the local and remote storage arrays.r

Parameter DescriptionNOTE: You must set the Recovery Point Threshold to be twice as large as the synchronization interval threshold.warningThresholdPe

repository virtual disk that is used to save data for all of the snapshot images that are part of the snapshot group.Syntaxcreate snapGroup userLabel=

Parameter DescriptionrepositoryFullLimitThe percentage of repository capacity at which you receive a warning that the snapshot image repository virtua

2About The Command Line InterfaceThis guide is intended for system administrators, developers, and engineers who need to use the command line interfac

Over Threshold The snapshot group repository virtual disk usage is at or beyond its alert threshold. Any snapshot group in this state causes a Needs-A

Create Snapshot (Legacy) Virtual DiskDescriptionThis command creates a snapshot virtual disk. When you use this command, you can define the snapshot v

enableSchedule=(TRUE | FALSE)schedule=(immediate | snapshotSchedule)]ParametersParameter DescriptionbaseVirtualDiskThe name of the base virtual disk f

Parameter Descriptionvirtual disk. To enforce enclosure loss protection, set this parameter to TRUE. The default setting is FALSE.physicalMediaTypeThe

Parameter DescriptionrepositoryPercentOfSourceThe size of the snapshot (legacy) repository virtual disk as a percentage of the source virtual disk. Us

the snapshot (legacy) virtual disk and the snapshot (legacy) repository virtual disk. For example, if you have a base virtual disk with a name of Engi

startTimeThe time of a day you want to create a snapshot (legacy) virtual disk and start performing a copy-on-write operation. The format for entering

NOTE: You cannot use this command for a snapshot image that is used in online virtual disk copy.Syntaxcreate snapVirtualDisk userLabel="snapVirtu

NotesYou can use any combination of alphanumeric characters, underscore (_), hyphen (-), and pound (#) for the names. Names can have a maximum of 30 c

Parameter Description(#) for the identifier. Identifiers can have a maximum of 30 characters.physicalDisksThe physical disks that you want to use to c

Notes, Cautions, and WarningsNOTE: A NOTE indicates important information that helps you make better use of your computer.CAUTION: A CAUTION indicates

How To Use The Command Line InterfaceUsing the CLI commands, you can access the script engine, specify which storage array receives the script command

file=fileName |commitSecurityKey=(TRUE | FALSE)ParametersParameter DescriptionkeyIdentifierA character string that you can read that is a wrapper arou

• The pass phrase must be between eight and 32 characters long.• The pass phrase must contain at least one uppercase letter.• The pass phrase must con

ParametersParameter DescriptionsourceName of an existing virtual disk to use as the source virtual disk. You must put quotation marks (" ")

Parameter Descriptionsnapshot (legacy), set this parameter to online. To create a virtual disk copy without a snapshot (legacy), set this parameter to

Parameter Descriptioncharacters, you must enclose the snapshot consistency group name in double quotation marks (" ").deleteRepositoryMember

Parameter Descriptionthe snapshot virtual disk, set this parameter to FALSE. The default value is FALSE.NotesIf the snapshot images cannot be deleted

Syntaxdelete diskGroup [diskGroupNumber]ParameterParameter DescriptiondiskGroupNumber of the disk group to delete. You must put brackets ([ ]) around

ParameterParameter DescriptionhostName of the host to delete. You must put brackets ([ ]) around the host name. If the host name has special character

Syntaxdelete hostPort [hostPortName]ParameterParameter DescriptionhostPortName of the HBA host port to delete. You must put brackets ([ ]) around the

Delete Snapshot GroupCAUTION: Possible damage to the storage array configuration – All of the data in the snapshot group is lost as soon as you run th

The following are general forms of the CLI commands, showing the parameters and terminals used in each command. The table below lists definitions for

(deleteCount=numberOfSnapshotImages |retainCount=numberOfSnapshotImages |ignoreSnapVirtualDisk=(TRUE | FALSE) |snapImageID=OLDEST)ParametersParameter

Parameter DescriptionsnapImageIDThe snapImageID parameter accepts only the OLDEST option. This parameter deletes the earliest snapshot image created.N

Delete Snapshot Virtual DiskDescriptionThis command deletes a snapshot virtual disk and optionally the associated snapshot repository members.NOTE: Yo

ParametersParameter DescriptionvirtualDisk or virtualDisks The name of the snapshot virtual disk to delete. You can enter more than one snapshot virtu

Syntaxdelete (allVirtualDisks | virtualDisk [virtualDiskName]|virtualDisks [virtualDiskName1... virtualDiskNameN])removeDiskGroup=(TRUE | FALSE) Param

ParametersParameter DescriptionallVirtualDisksThis parameter deletes all of the virtual disks on a disk pool.virtualDisk or virtualDisks The name of t

The testID parameter takes the following options, which you can use to verify that a RAID controller module is functioning correctly:• 1 — Reads the t

Parameter DescriptionNOTE: When you run a data loop-back test, you can optionally specify a file that contains a data pattern. If you do not specify a

Parameter DescriptiontestIDSpecifies the identifier for the diagnostic test you want to run. For this diagnostic test, the value is cableDiagnostics.N

ParameterParameter Descriptionprimary or primaries The name of the primary virtual disk of the remote replication pair to be tested. More than one pri

[-n storage-array-name | -w WWID | -h host-name |-r (host_sa | direct_sa)] [-S]SMcli -d [-w][-i][-s][-v][-S]SMcli -m host-name-or-IP-address -F email-

NOTE: This command must be run from the command line. It cannot be run in the MD Storage Manager script editor.SyntaxsupportBundle auto showParameters

Parameter Description• The enclosure parameter, which downloads new firmware to a specific EMM. If you need to download new firmware to more than one

ParametersParameter DescriptionphysicalDiskPhysical disk to which to download the firmware image. Specify the enclosure ID and slot ID for the physica

Parameter Descriptiondowngrade to TRUE if you want to download an earlier version of firmware.activateNowActivates the firmware and NVSRAM images. The

Download Storage Array NVSRAMDescriptionThis command downloads NVSRAM values for the storage array RAID controller module.Syntaxdownload storageArray

ParameterParameter DescriptiondiskGroupThe alphanumeric identifier (including - and _) of the disk group that you want to place in the Security Enable

Enable Or Disable SSD Cache For A Virtual DiskDescriptionThis command turns on or off caching using the SSD cache feature for a specific virtual disk.

ParameterParameter DescriptionraidControllerModuleRAID controller module that you want to revive. Valid RAID controller module identifier values are 0

Establish Remote Replicated PairDescriptionUse this command to complete a remote replicated pair on the remote storage array by adding a secondary vir

Increase Virtual Disk Capacity On A Disk PoolDescriptionThis command defines the properties for a virtual disk. You can use most parameters to define

Parameter Definition-cUse to indicate that you are entering one or more script commands to run on the specified storage array. Terminate each command

file can be just RAID configuration data or all data, including data for RAID configuration, disk groups and disk pools. The data in a cache location

Parameter DescriptionRAID configuration data includes disk groups and associated virtual disks.• If the parameter is set to all, all of the data inclu

Recopy Virtual Disk CopyDescriptionThis command reinitiates a virtual disk copy operation by using an existing virtual disk copy pair.NOTE: See Prepar

Parameter DescriptionNOTE: CopyPriority defines the amount of system resources used to copy the data between the source and target virtual disks of a

• A critical MEL event indicating the presence of a miswire condition• A “Needs Attention” condition• A Recovery Action indicating the miswireIn addit

User-Defined Disk Grouprecreate storageArray replicationRepositoryrepositoryDiskGroup=diskGroupName[freeCapacityArea=freeCapacityIndexNumber]User-Defi

NotesIf a value is entered for the repository storage space that is too small for the replication repository virtual disks, the RAID controller module

Parameter Descriptionvirtual disk name has special characters, you must also put quotation marks (" ") around the virtual disk name.userLabe

NOTE: If the warningThresholdPercent parameter or the repositoryFullPolicy parameter is not specified, the previously set values are used. If you use

NotesEach disk pool name must be unique. You can use any combination of alphanumeric characters, underscore (_), hyphen(-), and pound (#) for the user

Parameter Definition-hUse with the -a and -x parameters to specify the host name that is running the SNMP agent to which the storage array is connecte

Register SNMP Trap DestinationDescriptionThis command creates a new Simple Network Management Protocol (SNMP) trap destination. A trap destination is

Parameter Descriptionenclose the virtual disk name in double quotation marks (" ").existingRepositoryLabelCauses the repository virtual disk

Parameter Descriptionname in double quotation marks (" "). If the remote replication group name has special characters, you also must enclos

ParametersParameter DescriptionssdCacheThe alphanumeric identifier (including - and _) of the SSD cache from which you want to remove SSDs. Enclose th

Parameter Descriptionname. Enclose the virtual disk name in square brackets ([ ]). If the virtual disk name has special characters, you also must encl

ParametersParameter DescriptionvirtualDiskThe name of the specific virtual disk that you want to remove from the remote replication group. Enclose the

Parameter DescriptionCAUTION: The host agent uses the access virtual disks to communicate in-band with a storage array. If you remove an access virtua

Rename SSD CacheDescriptionThis command changes the name of the SSD cache.Syntaxset ssdCache [old_ssdCacheName] userLabel="new_ssdCacheName"

Parameter Descriptionspecial characters, you must also put quotation marks (" ") around the virtual disk name.consistencyErrorFileName of th

Parameter Descriptionto the virtual disk. Enclosure ID values are 0 to 99. Slot ID values are 0 to 31.Reset iSCSI IP AddressDescriptionThis command re

Parameter Definition• The password is specified in a script file that is running.• The storage array password is specified by using the -c parameter a

NOTE: When you reset a RAID controller module, the RAID controller module is not available for I/O operations until the reset is complete. If a host i

ParametersParameter DescriptionasyncRemoteReplicationGroupThe name of the remote replication group for which you are resetting the synchronization sta

• Recovery point ageReset Storage Array Battery Install DateDescriptionThis command resets the age of the batteries in a storage array to zero days. Y

NOTE: This command resets the baseline to 0 for both RAID controller modules in the storage array. The purpose of resetting both of the RAID controlle

Resume Consistency Group Snapshot Virtual DiskDescriptionThis command restarts a copy-on-write operation for creating a consistency group snapshot vir

For example, if you want to restart a copy-on-write operation for snapshot image 12345 which is in snapshot consistency group snapgroup1 in a consiste

Syntaxresume asyncRemoteReplicationGroup ["asyncRemoteReplicationGroupName"] [deleteRecoveryPointIfNecessary] ParameterParameter Description

Parameter Description• NEWEST - Use this option when you want to show the latest snapshot image created in the snapshot group.• OLDEST - Use this opti

Parameter Description(legacy) virtual disk name has special characters, you must also enclose the snapshot (legacy) virtual disk name in double quotat

NotesThe name of a snapshot image has two parts separated by a colon (:):• The identifier of the snapshot group• The identifier of the snapshot imageF

Parameter Definition-s (lowercase)Use with the -d parameter to display the alert settings in the configuration file.-vUse with the -d parameter to dis

Syntaxrevive diskGroup [diskGroupNumber]ParameterParameter DescriptiondiskGroupNumber of the disk group to be set to the optimal state. You must put b

ParameterParameter DescriptionphysicalDiskIdentifies the enclosure and slot where, the physical disk resides. Enclosure ID values are 0 to 99. Slot ID

ParameterParameter DescriptionsnapVirtualDiskThe alphanumeric identifier (including - and _) of the snapshot virtual disk that you want to set to the

Parameter DescriptionValid values for the identifier number are 1 or 2. Enclose the identifier number in square brackets ([ ]).fileThe name of the fil

Parameter Descriptioncontroller module on the top and 1 for the RAID controller module on the bottom when viewed from the rear of the enclosure. You m

Parameter Descriptionthe remote replication group name in double quotation marks (" ") inside square brackets.fileThe file path and the file

• Minimum write time (for a single write)• Minimum synchronization data rate• Maximum synchronization data rate• Total write time• Repository utilizat

Parameter Descriptionprevent saving the host topology, set this parameter to FALSE. The default value is FALSE.lunMappingsSaves the LUN mapping to the

ParametersParameter DescriptionsourceLocationThis parameter specifies the location from which to obtain backup database information.• disk indicates t

Save Storage Array DBM Validator Information FileDescriptionThis command saves the database management (DBM) validation information for a storage arra

• If the CLI must abnormally end execution or abort script command execution, error data is collected and saved before the CLI aborts.• The CLI automa

</Trailer></DbmImageMetadata>Save Storage Array EventsDescriptionThis command saves events from the Major Event Log (MEL) to a file.Any or

Parameter Descriptionthe last event entered) are saved to the file. Use integer values.forceSaveWhen set to TRUE, force saves all critical events to a

Save Storage Array Performance StatisticsDescriptionThis command saves the performance statistics to a file. Before you use this command, issue the se

Save Storage Array State CaptureDescriptionThis command saves the state capture to a file.Syntaxsave storageArray stateCapture file="filename&quo

ParametersParameter DescriptionfileThe path and the file name where support-related data for the storage array is saved. Enclose the file path and the

Parameter DescriptiondataStore the data generated by the command at the location specified by the pathName.Scheduling SnapshotsNOTE: This command is a

Parameter Descriptionmaximum value for the scheduleInterval option is 1440 minutes. For example: scheduleInterval=180.endDateSpecific date to stop cre

Syntaxset consistencyGroup ["consistencyGroupName"][userLabel="consistencyGroupName" |repositoryFullPolicy=(failBaseWrites | purge

Syntaxset cgSnapVirtualDisk [consistencyGroupName]userLabel="snapVirtual DiskName"ParametersParameter DescriptioncgSnapVirtualDiskThe name o

Parameter DescriptionraidLevelThe RAID level for the disk group. Valid values are 0, 1, 5, or 6.ownerThe RAID controller module that owns the disk gro

Status Value Meaning13 Invalid script syntax was found.14 The RAID controller module was unable to communicate with the storage array.15 A duplicate a

not work because of hardware errors. In a Forced state, the disk group can be imported, and you can then identify the hardware errors.Syntaxset diskGr

Parameter DescriptionwarningThresholdThe percentage of disk pool capacity at which you receive a warning alert that the disk pool is nearing full capa

ParametersParameter DescriptionenclosureIDIdentifies a specific enclosure for which to set the attribute. Enclosure ID values are 0 to 99. You must pu

Set Event Alert FilteringDescriptionThe set event alert commands manage alert event notification by either disabling a specific critical event alert f

imported with the physical disks of a disk group that are transferred to a new storage array. The latter failure creates an incomplete disk group on t

Parameter Descriptionbrackets ([ ]). If the host name has special characters, you must also enclose the host name in double quotation marks (" &q

Syntaxset hostChannel [hostChannelNumber]preferredID=portIDParametersParameter DescriptionhostChannelThe identifier number of the host channel for whi

Set Host PortDescriptionThis command changes the host type for an HBA host port. You can also change an HBA host port label with this command.Syntaxse

ParametersParameter DescriptioniscsiIDThe name of the iSCSI initiator for which you want to set attributes.userLabelThe new name that you want to use

NOTE: Challenge Handshake Authentication Protocol (CHAP) is a protocol that authenticates the peer of a connection. CHAP is based upon the peers shari

Windows:SMcli -n "Payroll_Array" -c "set storageArray userLabel=\"Finance_Array\";"Linux:SMcli -n ‘Payroll_Array’ -c ‘se

ParametersParameter DescriptionphysicalDisk or physicalDisksThe enclosure and the slot where the physical disk resides. Enclosure ID values are 0 to 9

nvsramBitSetting)] [IPv4GatewayIP=ipAddress] [IPv6RouterAddress=ipv6Address] [iscsiHostPort [(0 | 1 | 2 | 3)] iscsiHostPortOptions] [rloginEnabled=(TR

Parameter DescriptionThe values that support this parameter are listed in the Syntax Element Statement Data table that follows. Many settings are poss

Options for the Ethernet Port ParameterIPv4Priority=[0-7] |IPv6Priority=[0-7] |IPv4SubnetMask=(0-255).(0-255).(0-255).(0-255) |IPv4VlanId=[1-4094] |IP

Set Read-Only Snapshot Virtual Disk To A Read/Write Virtual DiskDescriptionThis command changes a snapshot virtual disk that is a read-only virtual di

NOTE: Starting with firmware 8.10, some RAID controller modules no longer support the writeOrder parameter and the writeMode parameter.Syntaxset remot

Parameter Descriptionsecondary virtual disks of a remote-replicated pair. This parameter has these values:• enabled – Automatic resynchronization is t

Syntaxset asyncRemoteReplicationGroup ["asyncRemoteReplicationGroupName"][syncInterval=integer (minutes | hours | days)warningSyncThreshold=

Parameter DescriptionwarningThresholdPercentSpecify the percent value that determines when a warning is triggered when the capacity of a replication r

Parameter Descriptionname of either a a disk group or a disk pool in which you want the repository virtual disk.Optionally, you also can define the ca

Contents1 CLI Command Updates... 17New Commands...

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additional standard virtual disks to it. The composite expandable repository virtual disk capacity then becomes the sum of the capacities of all of th

Passwords are stored on each storage array in a management domain. If a password was not previously set, you do not need a password. The password can

Parameter DescriptionautoDeleteLimitThe maximum number of snapshot images that you want to automatically delete if you have selected to purge the snap

Parameter Descriptionthe storage array level, this parameter has no effect.)consistencyCheckEnabledThe setting to turn on or turn off consistency chec

Set Snapshot Group ScheduleDescriptionThis command defines the schedule for taking snapshot images for a snapshot group.Syntaxset snapGroup ["sna

Set Snapshot (Legacy) Virtual DiskDescriptionThis command defines the properties for a snapshot virtual disk and lets you rename a snapshot virtual di

Parameter DescriptionscheduleUse this parameter to schedule a snapshot operation, with the following options:• immediate• startDate• scheduleDay• star

Parameter Descriptionno start date is provided, the current date is used. For example: startDate=06:27:11.scheduleDayDefines a day of the week you wan

Parameter DescriptionChicago" or "Germany/Berlin". Time zone text strings are case sensitive. If you enter an incorrect text string, th

Parameter Descriptionset this parameter to FALSE. (If media scan is disabled at the storage array level, this parameter has no effect.)consistencyChec

3About The Script CommandsYou can use the script commands to configure and manage a storage array. The script commands are distinct from the command l

NotesWhen you use this command, you can specify only one of the parameters. You cannot enter more than one parameter when you run this command.Set Sto

Parameter DescriptionmediaScanRateThe number of days over which the media scan runs. Valid values are disabled, which turns off the media scan, or 1 d

When you define values to stop a cache flush, the lower the value, the higher the chance that the data for a host read requires a physical disk read r

Additional InformationThis command defines the position of an enclosure in a storage array by the position of the enclosure ID in the enclosurePositio

ParameterParameter DescriptionisnsIPv4AddressThe IP address that you want to use for the iSNS server. Use this parameter with the static value for IPv

Additional InformationA listening port resides on the database server and is responsible for these activities:• Listening (monitoring) for incoming cl

Set Storage Array Redundancy ModeDescriptionThis command sets the redundancy mode of the storage array to either simplex or duplex.Syntaxset storageAr

Set Storage Array TimeDescriptionThis command sets the clocks on both RAID controller modules in a storage array by synchronizing the RAID controller

Syntaxset (virtualDisk ["virtualDiskName"] |virtualDisks ["virtualDiskName1" ... "virtualDiskNameN"] | virtualDisk <w

NotesWhen you use this command, you can specify one or more of the optional parameters.Set Virtual DiskDescriptionThis command defines the properties

Script Command StructureAll script commands have the following structure:command operand-data {statement-data}where, command identifies the action to

ParametersParameter DescriptionallVirtualDisksSpecifies the properties for all virtual disks in the storage array.virtualDisk or virtualDisks (name)Sp

Parameter DescriptionreadCacheEnabledThe setting to turn on or turn off the read cache. To turn on the read cache, set this parameter to TRUE. To turn

Parameter DescriptionpreReadRedundancyCheckThe setting to check the consistency of RAID redundancy data on the stripes during read operations. Do not

NOTE: In configurations where disk groups consist of more than 32 virtual disks, the operation can result in host I/O errors or internal RAID controll

Parameter DescriptionaddPhysicalDisksThe setting to add new physical disks to the virtual disk. For high-capacity expansion enclosures, specify the en

Parameter DescriptionpreReadConsistencyCheckThe setting to turn on or turn off preread consistency checking. Turning on preread consistency checking v

Cache Flush ModifierValid values for the cache flush modifier are listed in the following table.Value DescriptionImmediateData is flushed as soon as i

Cache Read PrefetchThe cacheReadPrefetch parameter enables the RAID controller module to copy additional data blocks into cache while the RAID control

Parameter Description([ ]) around the target virtual disk name. If the target virtual disk name has special characters, you must also put quotation ma

ParametersParameter DescriptionvirtualDiskThe name of the specific virtual disk for which you want to define mapping. Enclose the virtual disk name in

Object Type IdentifiersnapGroup A snapshot group contains a sequence of snapshot images of an associated base virtual disk. A snapshot group has a rep

The output has one line for each event that is blocked, listing the type of event in a hexadecimal format followed by a description of the event. Foll

Parameter Descriptionsequence number. Enclose all of the snapshot names in one set of double quotation marks (" ") inside square brackets ([

ParametersParameter DescriptioninitiatorNameThe name of the iSCSI initiator for which session information is desired. Enclose the iSCSI initiator name

ParameterParameter DescriptiondiskGroupNumber of the disk group for which to display information. You must put brackets ([ ]) around the disk group nu

Parameter Descriptionto TRUE. To let the physical disks stay spinning, set this parameter to FALSE.NOTE: This command returns the dependencies of a sp

HOST PORT IDENTIFIER HOST PORT NAME HOST TYPE12:34:56:54:33:22:22:22 Jupiter1 Solaris12:34:56:78:98:98:88:88 Pluto 1 Windows 2000/Server 2003 Clustere

Parameter DescriptionNOTE: To determine information about the type and location of all physical disks in the storage array, use the allPhysicalDisks p

Syntaxshow (physicalDiskChannel [(1 | 2)] |physicalDiskChannels [1 2] | allPhysicalDiskChannels) statsParametersParameter DescriptionphysicalDiskChann

Show RAID Controller ModuleDescriptionFor each RAID controller module in a storage array, this command returns the following information:• Status (Onl

Syntaxshow (allRAIDControllerModules | raidControllerModule [(0 | 1)]) NVSRAM [hostType=(hostTypeIndexLabel | host="hostName")]ParametersPar

Command Syntax Descriptiondiagnose object {statement‑data} Runs a test and displays the results.disable object {statement‑data} Prevents a feature fro

ParametersParameter DescriptionallAsyncRemoteReplicationGroupsUse this parameter if you want to display the properties for all remote replication grou

Parameter Descriptionreplication group name has special characters, you also must enclose the remote replication group name in double quotation marks

DescriptionThis command returns the progress of data synchronization between the primary virtual disk and the secondary virtual disk in a Remote Repli

ParametersParameter DescriptionallSnmpCommunitiesThis parameter returns information about all of the SNMP communities in the storage array.communityNa

Show SNMP MIB II System Group VariablesDescriptionThis command returns information about the Simple Network Management Protocol (SNMP) system variable

Parameter DescriptionIf you enter more than one snapshot group name, separate each name with a space. Enclose all of the snapshot group names in only

Show Snapshot ImageDescriptionThis command returns information about the snapshot images that a user had previously created.Syntax For Showing A Speci

• The identifier of the snapshot image.For example, if you want to show snapshot image 12345 in a snapshot group that has the name snapGroup1, you wou

Name Type Status Capacity Associated Base Volume2_SV_0001 Standard Optimal 3.000 GB 2Snapshot Volume Timestamp Snapshot Image Timestamp Mode1/23/12 6:

Additional capacity allowed 1,304.852 GBPhysical disk capacities: All 278.896 GBData Service (DS) AttributesSecurity capable: NoSecure: NoData Assuran

Table 7. Recurring Syntax ElementsRecurring Syntax Syntax Valueraid-level (0 | 1 | 5| 6)snapshot-repository-raid-level (1 | 5 | 6)capacity-spec intege

Parameter DescriptionIf you do not specify a RAID controller module, the default value is both.fileThe file path and the file name to which you want t

The reason this number is lower than 100% is that each allocation unit of the SSD cache, the SSD cache cache-block, is divided into smaller units call

Populate Actions (Host Writes) - BlocksNumber of blocks in Populate Actions (Host Writes).Invalidate ActionsNumber of times data was invalidated/remov

ParametersParameter DescriptionprofileDisplays all properties of the logical and physical components that comprise the storage array. The information

Parameter DescriptionhotSpareCoverageDisplays information about which virtual disks of the storage array have hot spare coverage and which virtual dis

segmentSize=segmentSizeValuecacheReadPrefetch=(TRUE | FALSE)securityType=(none | capable | enabled)]ParametersParameter DescriptionphysicalDiskTypeTyp

Show Storage Array Core DumpDescriptionThis command show details of the core dump on the RAID controller module cache, if a core dump is available.Syn

Show Storage Array LUN MappingsDescriptionThis command returns information from the storage array profile about the storage array LUN mappings. If you

Show Storage Array Power InformationDescriptionThis command returns information about the amount of power consumed by the entire storage array and eac

• Accessible by (host or host group)• Date/time• Virtual disk-relative logical block address (hexadecimal format – 0xnnnnnnnn)• Physical disk location

Recurring Syntax Syntax ValueIPV6LocalAddress=ipv6-address |IPV6RoutableAddress=ipv6-address |IPV6RouterAddress=ipv6-address |enableIPV4= boolean |ena

ParametersParameter DescriptionallVirtualDisksThe setting to return information about all of the virtual disks in the storage array.virtualDisk or vir

Show Virtual DiskDescriptionFor the virtual disks in a storage array, this command returns the following information:• The number of virtual disks• Th

ParametersParameter DescriptionallvirtualDisksThe setting to return information about all of the virtual disks in the storage array.virtualDisk or vir

Show Virtual Disk CopyDescriptionThis command returns information about virtual disk copy operations. The following information is returned:• Copy sta

ParametersNone.Additional InformationThis command returns virtual disk copy source information as shown in this example.Virtual Disk Name: financeCapa

ParametersParameter DescriptionallvirtualDisksThe setting to return performance statistics about all of the virtual disks in the storage array.virtual

ParametersNone.NotesUpon completion of the diagnostic test, the RAID controller module firmware returns one of these results:• Diagnosis completed wit

ParametersParameter DescriptionconsistencyGroupNameThe name of the consistency group for which you want to start a rollback operation. Enclose the nam

ParametersParameter DescriptiondiskGroupNumber of the disk group to identify. You must put brackets ([ ]) around the disk group number.Start Disk Grou

Additional InformationWhen this command is successful, you can run the start diskGroup import command to finish moving the disk group to a Complete st

Recurring Syntax Syntax ValueNOTE: For enclosure loss protection to work, each physical disk in a disk group must be on a separate enclosure. If you s

ParametersParameter DescriptiondiskPoolThe alphanumberic identifier of the disk pool (including – and _) that you want to locate. Enclose the diskPool

Start Physical Disk BlinkDescriptionThis command blinks a physical disk by turning on an indicator light on the physical disk. Run the stop physicalDi

Syntaxstart physicalDiskChannel [(1 | 2)]raidControllerModule [(0 | 1)] faultDiagnosticstestDevices=[(all | raidControllerModule=(0 | 1) |emms=[enclos

NOTE: You can stop this command at any time by pressing <Ctrl><C>.Start Physical Disk InitializeDescriptionThis command starts physical di

Syntaxstart asyncRemoteReplicationGroup ["asyncRemoteReplicationGroupName"] synchronize [deleteRecoveryPointIfNecessary] ParameterParameter

NOTE: When performing a secure erase operation on all physical disks in an array that contains only SED physical disk type, the physical disks must be

Start Snapshot Image RollbackDescriptionThis command starts a rollback operation for a set of snapshot images. The content of the base virtual disk ch

For example, if you want to start a rollback operation for snapshot image 12345 in a snapshot group that has the name snapGroup1, you would use this c

Start Storage Array BlinkDescriptionThis command identifies a storage array by turning on the indicator LED for the storage array. Use the stop storag

Parameter Descriptionparameter is set to disk, the peer RAID controller module initiates a block check.• When the sourceLocation parameter is set to c

Recurring Syntax Syntax ValueNOTE: The physicalDiskType parameter is not required if only one type of physical disk is in the storage array. If you us

To stop the database configuration diagnostic test, use the stop storageArray configDbDiagnostic command.In addition, you can start the database confi

Stop Configuration Database DiagnosticDescriptionThis command stops the diagnostic test to validate the configuration database in the RAID controller

Parameter Descriptiona rollback operation. Enclose each member base virtual disk name in double quotation marks (" ") inside parenthesizes (

Stop Disk Group BlinkDescriptionThis command turns off the indicator LED on the physical disk that was turned on by the start diskGroup blink command.

Syntaxstop consistencyGroup [consistencyGroupName] pendingSnapImageCreationParameterParameter DescriptionconsistencyGroupNameThe name of the consisten

Syntaxstop physicalDiskChannel faultDiagnosticsParametersNone.NOTE: Use the start physicalDiskChannel faultDiagnostics command and the save physicalDi

and does not run the command. You can run this command on a snapshot group or a snapshot consistency group.Syntaxstop (snapGroup [snapGroupName] |cons

NotesNames can be any combination of alphanumeric characters, underscore (_), hyphen (-), and pound (#). Names can have a maximum of 30 characters.One

Parameter DescriptionEnclose the virtual disk name in square brackets ([ ]). If the virtual disk name has special characters or numbers, you must encl

Stop Snapshot Image RollbackDescriptionThis command stops a snapshot image rollback operation that was initiated by the start snapImage rollback comma

Recurring Syntax Syntax ValuesNOTE: The maxFramePayload parameter is shared between IPv4 and IPv6. The payload portion of a standard Ethernet frame is

To stop a rollback operation for the most recent snapshot image in a snapshot group that has the name snapGroup1, you would use this command:stop snap

Parameter Descriptionexample: file="C:\Program Files\CLI\logs \performance.csv".The default name of the file that contains the performance m

744 GB 0 %931 GB 0 %1117 GB 0 %1303 GB 0 %1489 GB 0 %1675 GB 0 %1862 GB 0 %* = Current SSD cache physical capacity.Stop Storage Array BlinkDescription

If you try to use the stop storageArray configDbDiagnostic command after validation of the storage array configuration is complete, you do not receive

ParametersParameter DescriptiontargetName of the target virtual disk for which to stop a virtual disk copy operation. You must put brackets ([ ]) arou

NOTE: If the writeConsistency parameter is set to TRUE, the virtual disks must be in a write-consistency group (or groups). This command suspends all

Syntaxsuspend ssdCache [ssdCacheName]ParameterParameter DescriptionssdCacheThe alphanumeric identifier (including - and _) of the SSD cache that you w

Parameter Descriptionpath. The connectivity test sends an inter-RAID controller module message between the storage arrays, and then validates that the

Unregister SNMP CommunityDescriptionThis command deletes an existing Simple Network Management Protocol (SNMP) community that you previously created a

ParametersParameter DescriptioncommunityNameThe name of the existing SNMP community that you want to rename. Enclose the SNMP community name in double

Before Using Snapshot CLI Commands...55Snapshot Images And G

• The script engine interprets any text typed between / * and * / as a comment. If the script engine does not find both a beginning and ending comment

Update SNMP Trap DestinationDescriptionThis command turns on or turns off sending authentication failure messages for an SNMP trap destination. Failur

Parameter DescriptionNOTE: You must add a file extension of .slk to the end of the file name.passPhraseA character string that encrypts the security k

402

13Sample Script FilesThis appendix provides sample scripts for configuring a storage array. These examples show how the script commands appear in a co

the script file; however, the size of this page causes the command text to wrap. You might want to include blank lines in your script files to separat

create virtualDisk raidLevel=5 userLabel="2"physicalDisks=[0,1 0,6 1,7 1,3 2,3 2,6] owner=1segmentSize=16 capacity=2GB;show "Setting ad

4Configuring A Storage ArrayThis chapter explains how to run script commands from the command line to create a virtual disk from a group of physical d

• A disk group and associated RAID level• The virtual disks• Which hosts have access to the virtual disksThis section explains how to use the script c

When you save the information to a file, you can use the information as a record of your configuration and as an aid during recovery.To return a brief

virtualDiskConfigAndSettings=(TRUE | FALSE) |hostTopology=(TRUE | FALSE) | lunMappings=(TRUE |FALSE)]You can choose to save the entire configuration o

The owner parameter defines the RAID controller module to which you want to assign the virtual disk. If you do not specify a RAID controller module, t

The command in this example creates the same virtual disk as the previous create virtualDisk command. However, in this case the user does not know whi

Method enclosureLossProtect= TRUE enclosureLossProtect=FALSEgroup has enclosure loss protection.The enclosureLossProtect parameter is not valid when c

• The diskGroupCount parameter defines the number of new disk groups wanted in the storage array.• The virtualDisksPerGroupCount parameter defines the

• Storage array host type• Global hot sparesNOTE: Before modifying your configuration, save a copy of your current configuration to a file (see Saving

Stopping And Deleting A Snapshot Virtual Disk...78Re-creating The Snapsh

Setting The RAID Controller Module ClocksTo synchronize the clocks on the RAID controller modules with the host, use the set storageArray time command

• Changing the RAID level of a disk groupThe lowest priority rate favors system performance, but the modification operation takes longer. The highest

monitor is installed automatically with the MD storage management software. When an event occurs, alert notifications in the form of emails and SNMP t

3. Select the storage array for which you want to receive email alerts and click OK.The Configure Alerts dialog box appears.NOTE: If you do not know w

54

5Using The Snapshot FeatureThe following types of virtual disk snapshot premium features are supported on the MD storage array:• Snapshot Virtual Disk

• Standard virtual disks• Thin provisioned virtual disks• Consistency groupsSnapshot Groups And Snapshot Consistency GroupsThe Snapshot Virtual Disk p

• Consistency groups can be rolled back.• A virtual disk can belong to multiple consistency groups.• Only standard virtual disks and thin virtual disk

used with the create snapGroup command allows you to choose to either fail the write attempt or automatically purge a specified number of older snapsh

• read-only• repository full value• automatic repository selectionUnique command syntax and naming rules apply. The name of a snapshot image has two p

Deleting A Remote Replication Group...98Removing A Virtual

virtual disk that is a member of the consistency group before creating the snapshot images. If the snapshot image cannot be completed successfully for

You can create a schedule that runs daily or weekly in which you select specific days of the week (Sunday through Saturday).An example of the set snap

Creating A Snapshot GroupA snapshot group is a sequence of point-in-time images of a single associated base virtual disk. A snapshot group uses a repo

Creating A Consistency GroupA consistency group contains simultaneous snapshots of multiple virtual disks to ensure consistent copies of a group of vi

repositoryFullLimit=percentValue| autoDeleteLimit=numberOfSnapImages| rollbackPriority=(lowest | low | medium | high | highest)] The repositoryFullPol

To add a new base virtual disk to a consistency group and create a new repository virtual disk using a disk pool:set consistencyGroup ["consisten

• Snapshot group• Snapshot virtual disk• Consistency group member virtual disk• Replicated PairThis command defines the properties for a virtual disk.

ignores consistency pre-read. If the virtual disk is subsequently migrated back to a RAID level that supports consistency, the option becomes availabl

Reviving Disk Groups, Physical Disks, Snapshot Groups, And Snapshot Virtual DisksThe revive command forces failed physical disks, disk groups, snapsho

6Using The Snapshot (Legacy) FeatureThe following types of virtual disk snapshot premium features are supported on the MD storage array:• Snapshot Vir

Performance Tuning...118Monitor

Table 9. Snapshot Virtual Disk ComponentsComponent DescriptionSource virtual disk Standard virtual disk from which the snapshot is createdSnapshot vir

Creating A Snapshot Virtual DiskThe create snapshotVirtualDisk command provides three methods for defining the physical disks for your snapshot reposi

Preparing Host Servers To Create An Initial Snapshot Virtual DiskCAUTION: Before you create a new point-in-time image of a source virtual disk, stop a

NOTE: Use one or all of the optional parameters as needed to help define your configuration. You do not need to use any optional parameters.See step 1

NOTE: Use one or all of the optional parameters as needed to define your configuration. It is not necessary to use any optional parameters.The followi

User-Defined ParametersParameters for the create snapshotVirtualDisk command enable you to define the snapshot virtual disk to suit the requirements o

Parameter Descriptiontotal capacity of the snapshot repository virtual disk. The default value is 50, which represents 50 percent of total capacity. (

warningThresholdPercent=75repositoryPercentOfSource=40repositoryFullPolicy=failSnapShot;NOTE: In the previous examples, the names for the snapshot vir

When you change the warning threshold percent and repository full policy, you can apply the changes to one or several snapshot virtual disks. The foll

NOTE: Removing the drive letter of the associated virtual disk in Windows or unmounting the virtual drive in Linux helps to guarantee a stable copy of

12 Commands Listed Alphabetically... 137Activate Remote Replication Feature...

80

7Using The Virtual Disk Copy FeatureThis chapter describes how the Virtual Disk Copy feature works, lists the script commands for Virtual Disk Copy, a

After completion of the virtual disk copy of a snapshot (legacy), the legacy snapshot is disabled. After completion of the virtual disk copy using a s

You can have a maximum of eight virtual disk copies in progress at one time. Any virtual disk copy greater than eight has a status of Pending until on

NOTE: Removing the drive letter of the associated virtual disk(s) in Windows or unmounting the virtual drive in Linux helps to guarantee a stable copy

The command in this example copies the data from the source virtual disk named Jaba_Hut to the target virtual disk named Obi_1. Setting the copy prior

Changing Virtual Disk Copy SettingsThe set virtualDiskCopy command enables you to change the property settings for a virtual disk copy pair. Using thi

Recopying A Virtual DiskCAUTION: The recopy virtualDiskCopy command overwrites existing data on the target virtual disk and makes the target virtual d

Recopying The Virtual DiskAfter first preparing the host server(s) as specified in the preceding procedure, use the following examples to make a virtu

CAUTION: If the virtual disk copy has a status of In Progress, you must stop the virtual disk copy before you can remove the virtual disk copy pair fr

Create Read-Only Snapshot Virtual Disk... 182Create Remote Repli

90

8Using The Remote Replication Premium FeatureThe following types of Remote Replication premium features are supported on the MD storage array:Remote R

primary virtual disk of the pair are tracked by the RAID controller firmware and captured in a point-in-time image and transferred to the secondary vi

completion to the primary host. The primary host can continue to write to the primary virtual disk, but remote writes do not take place.When communica

• The local storage array serves as the primary side of the Remote Replication group, while the remote storage array serves as the secondary side of t

• The secondary virtual disk must be of equal or greater size than the primary virtual disk.• The RAID level of the secondary virtual disk does not ha

warning will be triggered when the capacity of a replication repository virtual disk reaches 75 percent of capacity (warningThresholdPercent=).create

The full command syntax is shown below:set asyncRemoteReplicationGroup ["asyncRemoteReplicationGroupName"][syncInterval=integer (minutes | h

This example shows the resume remoteReplicationGroup command:resume asyncRemoteReplicationGroup ["asyncRemoteReplicationGroupName"];Deleting

Interaction With Other Premium FeaturesYou can run the Remote Replication premium feature while running these premium features:• Snapshot—both standar