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ATTO Technology Inc. Diamond Storage Array Installation and Operation Manual
QuickRAID5
Specifies the RAID Level 5 configuration for the system.
Sets the system to spanned drives with parity information.
Causes the Configuration Manager to “stamp” the new
configuration onto the drives to take effect at the next
system startup.
Setting QuickRAID5 0 removes all RAID configurations
and creates JBOD.
Setting QuickRAID5 ALL creates one group that
includes all contiguous sleds (minus Hot Spare sleds if
applicable).
To complete RAID Level 5 setup, the RAID5ClearData
command must be issued after the Diamond Storage
Array has been restarted: DO NOT remove power from
the array during this operation.
Choices: 0, 1, 2, 3, 4, all
Set syntax: set QuickRAID5 [1 | 2 | 3 | 4 | all] <Number Hot
Spare sleds>
Requires a SaveConfiguration Restart command
Get syntax: DriveInfo
QuickRAID10
Specifies the RAID Level 10 configuration for the
system; sets the system to a mirrored array of spanned
drives and causes the Configuration Manager to “stamp”
the new configuration onto the drives to take effect at the
next system startup. Setting QuickRAID10 0 removes all
RAID configurations and creates a JBOD.
Choices: 0, 1, 2, 3
Set syntax: set QuickRAID10 [1 | 2 | 3] <Number Hot
Spare sleds>
Requires a SaveConfiguration Restart command
Get syntax: DriveInfo
RAID5ClearData
To Zero all drives and parity to make newly created
RAID5 groups ‘coherent’. The parameter ALL clears
data on all RAID5 groups present in the system. Must be
used at initial configuration to ensure parity is valid for all
drives in the RAID Level 5 group by setting all data and
parity to zero. Takes all LUNs offline automatically, then
brings them online. The operation takes 3-6 hours,
depending on drive capacity. Do not interrupt this
process. This is a destructive operation: all information
on these drives is lost. Applies to RAID5 only
Set syntax: RAID5ClearData [ALL | LUN]
Get syntax: DriveCopyStatus or RAID5ClearDataStatus
RAID5ClearDataStatus
Displays the status of RAID5 Clear Data processing. S
represents the sled number, D represents the drive
number. Applies to RAID5 only
Set syntax: RAID5ClearDataStatus
RAIDInterleave
Specifies the Interleave size (in 512 byte blocks) between
members of a RAID group. SPAN indicates that the
interleave size between drives in the group is the
minimum drive size of all members in the group.
RAIDInterleave options are 16, 32, 64, 128, 256 blocks
and span. Span is not available for RAID Level 5.
Choices all but RAID Level 5:
16, 32, 64, 128, 256
or
SPAN
Choices for RAID Level 5:
16, 32, 64, 128, 256
Default: 128
Set syntax: set RAIDInterleave [1-256] [SPAN]
Requires a SaveConfiguration Restart command
Get syntax: get RAIDInterleave
RAIDHaltRebuild
Stops a RAID Level 1, 5 or 10 rebuild that is in progress.
Immediate command: RAIDHaltRebuild [Sled Number]
RAIDManualRebuild
Initiates a manual rebuild of a RAID Level 1, 5 or 10
LUN. An error message is returned if the specified LUN
is not a RAID Level 1, Level 5 or 10 LUN or if the sled
number is not available; no rebuild takes place. Applies to
RAID Levels 1, 5 and 10 only
Set syntax:
.
RAIDManualRebuild
.
[LUN]
.
[Sled Number]
RAIDRebuildState
Sets the RAID Level 1, Level 5 or Level 10 rebuild status
of the specified sled to OK, degraded or faulted.
Set syntax:
.
set RAIDRebuildState
[Sled Number]
[Degraded | OK | Faulted]