Modify partition size after metadevice/soft-partition/quorum are created

From: T.J. Hoo (tjhoo@hotmail.com)
Date: Sat Mar 11 2006 - 23:30:07 EST

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Hi!

I'm running on Solaris 9, Sun Cluster 3.1 (emanode-a and emanode-b) with one
StorEdge (external disk). The two StorEdge disks have the following
partitions:

Part Tag Flag Cylinders Size Blocks
  0 usr wm 3 - 51197 99.99GB (51195/0/0) 209694720
  1 unassigned wm 0 0 (0/0/0) 0
  2 unassigned wm 0 0 (0/0/0) 0
  3 unassigned wm 0 0 (0/0/0) 0
  4 unassigned wm 0 0 (0/0/0) 0
  5 unassigned wm 0 0 (0/0/0) 0
  6 unassigned wm 0 0 (0/0/0) 0
  7 usr wu 0 - 2 6.00MB (3/0/0) 12288

Then, a diskset, metadevices and soft partitions have created:

sogds/d155: Soft Partition
    Device: sogds/d160
    State: Okay
    Size: 20971520 blocks (10 GB)
        Extent Start Block Block count
             0 104857602 20971520

sogds/d160: Mirror
    Submirror 0: sogds/d161
      State: Okay
    Submirror 1: sogds/d162
      State: Resyncing
    Resync in progress: 95 % done
    Pass: 1
    Read option: roundrobin (default)
    Write option: parallel (default)
    Size: 209694720 blocks (99 GB)

sogds/d161: Submirror of sogds/d160
    State: Okay
    Size: 209694720 blocks (99 GB)
    Stripe 0:
        Device Start Block Dbase State Reloc Hot Spare
        d6s0 0 No Okay No

sogds/d162: Submirror of sogds/d160
    State: Resyncing
    Size: 209694720 blocks (99 GB)
    Stripe 0:
        Device Start Block Dbase State Reloc Hot Spare
        d7s0 0 No Okay No

sogds/d154: Soft Partition
    Device: sogds/d160
    State: Okay
    Size: 104857600 blocks (50 GB)
        Extent Start Block Block count
             0 1 104857600

Now the problem is I want to modify the size of the partition 7 from 6.0MB
to 256MB.
Can I modify the partition size directly using format command without
affecting the Sun Cluster and the metadevices?
Or I have to remove the metadevices/soft partitions, modify the partition
and re-create the metadevices/soft partition again?

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