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Set Background Initialization Rate
Does my controller support this feature? See Supported Features.
The Set Background Initialization Rate task changes the amount of system resources dedicated to the background initialization task. See Background
Initialization on PERC 4/SC, 4/DC, 4e/DC, 4/Di, 4e/Si, and 4e/Di Controllers for more information on the background initialization task.
The background initialization rate, configurable between 0% and 100%, represents the percentage of the system resources dedicated to running the
background initialization task. At 0%, the background initialization has the lowest priority for the controller, takes the most time to complete, and is the setting
with the least impact to system performance. A background initialization rate of 0% does not mean that the background initialization is stopped or paused.
At 100%, the background initialization is the highest priority for the controller. The background initialization time is minimized and is the setting with the most
impact to system performance.
To change the controller's background initialization rate:
1. Type a numerical value in the New Background Initialization Rate text box. The value must be within the 0 – 100 range.
2. Click Apply Changes. To exit and cancel your changes, click Go Back to Previous Page.
To locate this task in Storage Management:
1. Expand the Storage tree object to display the controller objects.
2. Select a controller object.
3. Select the Information/Configuration subtab.
4. Select Set Background Initialization Rate from the Available Tasks drop-down menu.
5. Click Execute.
You can also locate this task from the Change Controller Properties drop down menu. For more information, see Change Controller Properties.
In certain circumstances, the Used RAID Disk Space displays a value of zero (0) even though a portion of the physical disk is actually
being used. This occurs when the used space is 0.005 GB or less. The algorithm for calculating the used disk space rounds off a figure of
0.005 GB or less to 0. Used disk space that is between 0.006 GB and 0.009 GB is rounded off to 0.01 GB.
Available RAID
Disk Space
This property displays the amount of available space on the disk. This property is not applicable for physical disks attached to non-RAID
controllers.
Hot Spare
This property indicates whether the disk has been assigned as a hot spare. This property is not applicable for physical disks attached to
non-RAID controllers.
Vendor ID
This property displays the disk's hardware vendor.
Product ID
This property displays the disk's product ID.
Revision
This property displays the disk's revision number.
Serial No.
This property displays the disk's serial number.
Negotiated
Speed
This property displays the speed of data transfer that the disk negotiated while spinning up and upon initial communication with the
controller. This speed is dependent on the speed of the disk, the capable speed of the controller, the current speed of the controller on
that connector, and the speed of the Enclosure Management Module (EMM) on the enclosure.
Capable Speed
This property displays the highest possible speed with which the device can transfer data.
Manufacture Day
This property displays the day of the month on which the physical disk was manufactured.
Manufacture
Week
This property displays the week of the year during which the physical disk was manufactured.
Manufacture
Year
This property displays the year in which the physical disk was manufactured.
SAS Address
This property displays the SAS address of the physical disk. The SAS address is unique to each SAS disk.
After Import
Status
This property displays what the status of the physical disk would be after the foreign configuration has been imported. Possible values
are:
l Foreign
l Online
l Offline
l Replaced
l Rebuild
- Notes and Cautions 1
- Supported Features 2
- Battery Tasks 10
- Connector Tasks 10
- Physical Disk Tasks 10
- Virtual Disk Tasks 10
- Virtual Disk Specifications 11
- Supported RAID Levels 11
- Enclosure Support 12
- Controller Tasks 13
- Permanently Degraded 26
- Rebuilding 27
- Physical Disks 30
- Other Disk Procedures 31
- Physical Disk Properties 32
- Remove Dead Segments 35
- Prepare to Remove 35
- Initialize 35
- Rebuild 35
- Cancel Rebuild 35
- Online and Offline 36
- Revertible Hot Spare 37
- Instant Encrypt Erase 38
- RAID Controller Batteries 39
- Battery Delay Learn Cycle 42
- BIOS Terminology 43
- Connectors 44
- Connector Health 45
- Connector Properties 46
- Back to Contents Page 48
- Controllers 49
- RAID Controller Features 50
- Read Policy 51
- Write Policy 51
- Cache Policy 51
- Disk Cache Policy 52
- Firmware/Driver Versions 54
- Controller Health 54
- Controller Components 55
- Controller Properties 55
- Available Reports 57
- Set Rebuild Rate 59
- Reset Configuration 60
- Export Log 61
- Set Check Consistency Rate 67
- Set Reconstruct Rate 67
- Set Patrol Read Mode 69
- Start and Stop Patrol Read 70
- Manage Physical Disk Power 72
- Manage Preserved Cache 72
- Manage Encryption Key 72
- Encryption Key 73
- Enabling LKM 73
- Patrol Read Report 74
- Check Consistency Report 74
- Slot Occupancy Report 75
- Manage CacheCade 76
- Resizing the CacheCade 77
- Renaming the CacheCade 77
- Deleting the CacheCade 77
- CacheCade Properties 77
- Enclosures and Backplanes 79
- SMART Thermal Shutdown 80
- Enclosure Management 81
- Enclosure Tasks 83
- Set Asset Data 85
- View Slot Occupancy Report 87
- EMM Properties 87
- Fan Properties 88
- Power Supply Properties 88
- Related information: 92
- Getting Started 93
- Displaying the Online Help 94
- Common Storage Tasks 94
- Understanding Hot Spares 96
- 4e/Si, and 4e/Di Controllers 98
- Required Conditions 100
- Moving the Disks 101
- Overview 102
- Supported Controllers 103
- Supported Enclosures 104
- Storage Health 105
- Select Report 105
- Storage Component Severity 105
- Alerts or Events 106
- Related Information: 107
- Storage Properties 109
- Global Tasks 109
- Storage Controllers 110
- Storage Components 111
- What Is RAID? 112
- Concatenation 113
- RAID Level 0 (Striping) 114
- RAID Level 1 (Mirroring) 115
- RAID 5 Characteristics: 116
- RAID 6 Characteristics: 117
- RAID 50 Characteristics: 117
- RAID 60 Characteristics: 118
- RAID 10 Characteristics: 119
- No-RAID 121
- Troubleshooting 122
- Replacing a Failed Disk 123
- A Rebuild Does Not Work 125
- Redundant Virtual Disks 126
- Virtual Disks 130
- SATA1.5/2s Controllers 131
- Creating Virtual Disks 132
- Expansion 133
- Controllers 134
- Recommendations 135
- Virtual Disk Properties 135
- Connector 0 144
- Physical Disks Selected 144
- Span Edit 145
- Considerations for Format 148
- Virtual Disk Task: Delete 149
- Virtual Disk Task: Rename 150
- Split Mirror 151
- Unmirror 151
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