ATTO Technology Diamond Storage Array V-Class Installation And Operation Manual page 79

Diamond storage array
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may only be applied after Partition
configuration.
2
Each RAID group is a Virtual Drive. The array
assigns an ID to each Virtual Drive. (refer to
RAID Level 1
on page 55,
RAID Level 5
61 and
create Virtual Drives). Type
[active]
to determine the Virtual Drive ID and
LUNs of any Virtual Drives already set up on
your array.
3
Type VirtualDriveInfo [planned] to determine
if any partitioning has been planned but not
completed. If a merge has been planned and
you want the merge, go to step 5.
4
You may create up to 16 partitions on any
single Virtual Drive, with no more than 127
partitions across the entire array. Type
PartitionSplit [Virtual Drive ID]
[Partition ID] [number of Partitions]
PartitionCommit
5
Type
The array completes the configuration and
reboots. The planned configuration you have
entered becomes persistent and active.
Exhibit 5.8-1 An example of Virtual Drives set up in drive-based QuickRAID0 stripe groups.
An exam ple of RAID 0 configuration (QuickRAID0 4): 2 or m ore physical drives
into 1 or m ore Virtual Drives.
Virtual Drive 0 has been configured into two partitions: LUNs 1 and 2.
Each Virtual Drive 1, 2 and 3 is configured by default as one partition and
designated LUNs 3, 4, and 5
RAID Level 10
on page
on page 57 about how to
VirtualDriveInfo
to create the partitions.
P1 L1
VD0
P2 L2
VD1, L3
P0
VD2, L4
P0
VD3, L5
P0
6
The array completes the configuration and
reboots.
To merge partitions
CAUTION
CAUTION
You may lose the ability to access data
when you merge partitions. Either back up
the data to another storage area or only
merge partitions which are data-free.
PartitionInfo [active]
1
Type
current partitions and their IDs.
PartitionInfo [planned]
2
Type
partitioning had been planned but not
completed. If a merge has been planned and
you want that merge, go to step 4.
PartitionMerge [Virtual Drive ID] [Partition
3
Type
ID|all] [<Partition Number...>]
planned partition configuration.
PartitionCommit
4
Type
and make the planned partition configuration
the active configuration.
5
The array completes the configuration and
reboots.
RAID 0 subsystem exam ple:
4 Virtual Drives
24 physical drives
to determine the
to determine if
to create a
to merge the partitions
68
Partitions

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