Growing Mirror set on soft partitions

From: Scott Pham (scott@securityx.net)
Date: Tue Jul 27 2004 - 11:29:06 EDT


Hello Sun Gurus,

I currently have a problem I can't seem to google/find in the archives. I
need to grow a mirror set d66. This set is currently sitting on 2
concatenated devices, which sit on 2 soft partitions. I know I need to
grow the soft partitions, but everything I've read in Sun Docs, says I
can't do this if I've created another device from the soft partitions. Is
it possible to create a soft mirror(Mirror in Volumn Manager) and then
create soft partitions on top of that mirror set, or does the mirror need
to be a hardware based mirror. Any help would be great. I've included the
dump from metastat d66 at the bottom.

d66: Mirror
    Submirror 0: d16
      State: Okay
    Submirror 1: d26
      State: Okay
    Pass: 1
    Read option: roundrobin (default)
    Write option: parallel (default)
    Size: 20962560 blocks (10.0 GB)

d16: Submirror of d66
    State: Okay
    Size: 20962560 blocks (10.0 GB)
    Stripe 0:
        Device Start Block Dbase State Reloc Hot Spare
        d86 0 No Okay No

d86: Soft Partition
    Device: c1t0d0s6
    State: Okay
    Size: 20971520 blocks (10 GB)
        Device Start Block Dbase Reloc
        c1t0d0s6 0 No Yes

        Extent Start Block Block count
             0 9961479 20971520

d26: Submirror of d66
    State: Okay
    Size: 20962560 blocks (10.0 GB)
    Stripe 0:
        Device Start Block Dbase State Reloc Hot Spare
        d76 0 No Okay No

d76: Soft Partition
    Device: c1t1d0s6
    State: Okay
    Size: 20971520 blocks (10 GB)
        Device Start Block Dbase Reloc
        c1t1d0s6 0 No Yes

        Extent Start Block Block count
             0 9961479 20971520

--Scott

-- 
"the possession of anything begins in the mind" - Bruce Lee
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