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Setting Hot Spare Protection Policy
Dell™OpenManage™ServerAdministratorStorageManagementUser'sGuide
Dedicated Hot Spare Protection Policy
Global Hot Spare Protection Policy
Considerations for Hot Spare Protection Policy
Considerations for Enclosure Affinity
The Hot Spare Protection Policy is supported only on Serial Attached SCSI (SAS) controllers.
The Hot Spare Protection Policy provides you with a higher protection level for the virtual disks by enabling you to specify the number of dedicated/global hot
sparestobeassignedtothevirtualdisks/controller.Youcanalsospecifytheseveritylevelsfortheprotectionpolicy.Dell™OpenManage™Storage
Management sends alerts when the hot spare protection policy is violated.
You can determine the hot spare protection policy best suited for your environment; however, Storage Management does not provide a default policy.
Dedicated Hot Spare Protection Policy
Resetting the Hot Spare Protection Policy
Deselect the RAID Layout to reset the dedicated hot spare protection policy.
Global Hot Spare Protection Policy
Considerations for Hot Spare Protection Policy
l The dedicated hot spare protection policy is not applicable to SCSI, SAS/iR, PERC H200, and CERC SATA 6ch/2s controllers.
l RAID 0 does not support assigning hot spares. Also, the protection policy is not applicable for RAID 0.
l For SAS/iR and PERC H200 family of controllers, you can assign only two global hot spares.
l If the status of the virtual disk is displayed as Degraded or Failed because of the hot spare protection policy violation, you must assign the required
number of hot spares (as defined in the protection policies) for the status to be displayed as normal.
l Hot Spare Protection Policy is not applicable to PERC S100 and S300 controllers.
Considerations for Enclosure Affinity
l Enclosure affinity settings for dedicated hot spare are applicable only on PERC 5 and PERC 6 family of controllers.
Property
Definition
RAID Layout
The RAID level(s) for which you want to configure the hot spare protection policy.
Minimum Number of Disks
The minimum number of physical disks to be assigned as dedicated hot spares for the selected RAID level(s).
Severity Level
The severity level you want to assign to the generated alert, if this policy is violated.
NOTE: The status of the virtual disk is determined by the severity level you specify for this policy.
Property
Definition
Enable Global Hot Spare
Select this check box to enable the Global Hot Spare Protection Policy
Minimum Number of Disks
The minimum number of physical disks to be assigned as global hot spares for the controller.
Severity Level
The severity level you want to assign to the generated alert, if this policy is violated.
Consider Global Hot Spare Policy when determining
Virtual Disk status
Select this check box if you want Storage Management to consider this policy to determine the
status of the virtual disk.
The status of the virtual disk is determined by the severity level you specify for this policy.
NOTE: When assigning a global hot spare, consider a physical disk that has higher capacity, which can replace any failed disk in the controller.
- Notes and Cautions 1
- Supported Features 2
- SATA1.5/6ch Controllers 6
- Battery Tasks 10
- Connector Tasks 10
- Physical Disk Tasks 10
- Virtual Disk Tasks 11
- Virtual Disk Specifications 11
- Supported RAID Levels 12
- Enclosure Support 13
- Controller Tasks 13
- Permanently Degraded 26
- Rebuilding 27
- Physical Disks 31
- Other Disk Procedures 32
- Remove Dead Segments 35
- Prepare to Remove 35
- Initialize 36
- Rebuild 36
- Cancel Rebuild 36
- Online and Offline 37
- Revertible Hot Spare 38
- Instant Secure Erase 38
- RAID Controller Batteries 40
- Battery Delay Learn Cycle 43
- BIOS Terminology 44
- Connectors 45
- Connector Health 46
- Connector Information 47
- Connector Components 47
- Connector Properties 47
- Path Health 48
- Related Tasks 49
- Controllers 50
- RAID Controller Features 51
- Read Policy 52
- Write Policy 52
- Cache Policy 52
- Disk Cache Policy 53
- Non-RAID SCSI Controllers 54
- Firmware/Driver Versions 55
- Controller Health 55
- Controller Information 56
- Controller Components 56
- Controller Properties 56
- Set Rebuild Rate 60
- Reset Configuration 61
- Export Log 61
- Set Check Consistency Rate 67
- Set Reconstruct Rate 68
- Set Patrol Read Mode 70
- Start and Stop Patrol Read 71
- Manage Preserved Cache 72
- Manage Security Key 73
- Enclosures and Backplanes 75
- SMART Thermal Shutdown 76
- Enclosure Management 77
- Enclosure Tasks 79
- Set Asset Data 81
- EMM Properties 82
- Fan Properties 83
- Power Supply Properties 83
- Related information: 87
- Getting Started 88
- Displaying the Online Help 89
- Common Storage Tasks 89
- Understanding Hot Spares 91
- 6/I Controllers 91
- S300 Controllers 92
- Required Conditions 96
- Moving the Disks 97
- Overview 105
- Supported Controllers 106
- Supported Enclosures 107
- Storage Health 108
- Storage Component Severity 108
- Alerts or Events 109
- Related Information: 110
- Storage Properties 111
- Global Tasks 111
- Storage Controllers 112
- Storage Components 113
- What Is RAID? 114
- Concatenation 115
- RAID Level 0 (Striping) 116
- RAID Level 1 (Mirroring) 117
- RAID 5 Characteristics: 118
- RAID 6 Characteristics: 118
- RAID 50 Characteristics: 119
- RAID 60 Characteristics: 120
- RAID 10 Characteristics: 121
- No-RAID 123
- Troubleshooting 124
- Replacing a Failed Disk 125
- A Rebuild Does Not Work 127
- Nonredundant Virtual Disks 128
- Virtual Disks 132
- Creating Virtual Disks 134
- Expansion 135
- SATA1.5/2s Controllers 136
- Recommendations 137
- Virtual Disk Properties 138
- Connector 0 146
- Physical Disks Selected 146
- Span Edit 147
- Controllers 149
- Considerations for Format 150
- Virtual Disk Task: Delete 151
- Virtual Disk Task: Rename 151
- Split Mirror 152
- Unmirror 153
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