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GCS>Sun Microsystems>Storage - Disk>Modular Disk - 3xxx Arrays
 

1. To create a logical disk
2. To partition a logical disk
3. To map a partition to a host channel

    > create logical-drive [raid-level] [disk-list]

    > configure partition [partition-id] [size]

    > map [partition-id] [channel].[target].[lun]

Examples of these commands

First, list the unused disks in the array to determine their channel and IDs. Use the show disks command. Here is an abbreviated sample output:

    sccli> show disks
Ch  Id      Size   Speed  LD     Status   IDs                      Rev
------------------------------------------------------------------------
2   2   68.37GB   200MB  NONE   FRMT     SEAGATE ST373307FSUN72G  0307
2   3   68.37GB   200MB  NONE   FRMT     SEAGATE ST373307FSUN72G  0307
2   4   68.37GB   200MB  NONE   FRMT     SEAGATE ST373307FSUN72G  0307
2   5   68.37GB   200MB  NONE   FRMT     SEAGATE ST373307FSUN72G  0307
2   6   68.37GB   200MB  NONE   FRMT     SEAGATE ST373307FSUN72G  0307
2   7   68.37GB   200MB  NONE   FRMT     SEAGATE ST373307FSUN72G  0307
2   8   68.37GB   200MB  NONE   FRMT     SEAGATE ST373307FSUN72G  0307
2   9   68.37GB   200MB  NONE   FRMT     SEAGATE ST373307FSUN72G  0307
2  10   68.37GB   200MB  NONE   FRMT     SEAGATE ST373307FSUN72G  0307
2  11   68.37GB   200MB  NONE   FRMT     SEAGATE ST373307FSUN72G  0307 

Creating logical drives

This creates a RAID-5 logical drive with 5 disks:

     > create logical-drive RAID5 2.3,2.4,2.5,2.6,2.7

This creates an NRAID logical drive with 3 disks:

     > create logical-drive NRAID 2.9,2.10,2.11

After creating a logical disk, run the show logical-drives command to find the LD-ID of the newly-created logical drive. For example:

     sccli> show logical-drives

     LD    LD-ID         Size  Assigned    Type     Disks Spare  Failed Status
-------------------------------------------------------------------------
ld0   2B4416E8  204.35GB  Primary     RAID5      5     0      0    Good
ld1   4747D39B   68.12GB  Primary     NRAID      1     0      0    Good

     ld2   530E5934   68.12GB  Primary     NRAID      1     0      0    Good
ld3   4A52C0E9  204.35GB  Primary     NRAID      3     0      0    Good

Configuring partitions

Configure 5 partitions on the logical disk with ID 4A52C0E9, each a different size:

     configure partition 4A52C0E9-00 100m
configure partition 4A52C0E9-01 2g
configure partition 4A52C0E9-02 512m
configure partition 4A52C0E9-03 1024m
configure partition 4A52C0E9-04 4g

Partition IDs are composed of the LD-ID (from the show logical-drives command) and a HEX value between 00 and 7F, separated by a dash. In version 3.x FW, this means a maximum of 128 partitions per LD. With version 4.x FW, the maximum number of partitions per LD was reduced to 32 (the number of LDs was increased from 8 to 32).

When running this command, the user will be prompted to respond to the following:

        Repartitioning may cause data to be lost.
Change partition table?

If the intention is to use this command in a script or a loop, use the --yes option. For example:

        sccli --yes [device] configure partition 4A52C0E9-00 100m

Mapping partitions to LUNs

Syntax:

        map [partition-id] [channel].[target].[lun]

The following example will map the given partition to channel 1, target 42 as LUN 0.

        map 4A52C0E9-3C 1.42.0

The channel and target values should already be set and can be found by running the command show channels. The lun number is a decimal value between 0 and 31.

Hopefully, this document can be incorporated into future versions of the sccli manual, but until then, this should suffice to be a helpful reference.

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