From: Jeff Horwitz (jhorwitz75@yahoo.com)
Date: Tue May 04 2004 - 18:35:56 EDT
Well, I ended up solving this one myself. I was able to remove the soft
partitions by bringing the SDS patch level up to 108693-24.
-jeff
--- Jeff Horwitz <jhorwitz75@yahoo.com> wrote:
> Hello managers,
>
> This one's been bugging me for a while. I have a V480 running Solaris 8 and
> DiskSuite 4.2.1 that used to be attached to an FC StorEdge A5200. This
> machine
> was moved to another location where we had no use for the A5200. However,
> before moving the server I did not clear any of the A5200 metadevices (soft
> partitions from a RAID 0+1 pool), and DiskSuite thinks they still exist.
>
> I had trouble clearing the devices in runlevel 3, so i rebooted into single
> user mode after telling the mirrors not to sync using metaparam -p 0. Now I
> am
> able to break the RAID 0+1 mirror (d100), but when try to clear any of the
> soft
> partitions (e.g. d50), it tries to access the underlying disk device and
> fails
> miserably:
>
> # metaclear -f d50
> WARNING: md: d101: cannot load driver ssd
> WARNING: md: d101: cannot load driver ssd
> WARNING: md: d101: cannot load driver ssd
> WARNING: md: d101: cannot load driver ssd
> WARNING: md: d101: cannot load driver ssd
> WARNING: md: d101: cannot load driver ssd
> WARNING: md: d101: cannot load driver ssd
> WARNING: md d100: open error on /dev/dsk/c3t0d0s3
> [more errors]
> metaclear: no error
>
> So my question is: short of blowing away and recreating the metadb, has
> anyone
> been able to clear metadevices whose physical devices have been removed? And
> are these soft partitions particularly stubborn b/c of the extent headers
> that
> are on the devices themselves?
>
> Thanks,
> -jeff
>
> P.S. metastat output is below.
>
> d10: Mirror
> Submirror 0: d11
> State: Needs maintenance
> Submirror 1: d12
> State: Needs maintenance
> Pass: 1
> Read option: roundrobin (default)
> Write option: parallel (default)
> Size: 1027216 blocks
>
> d11: Submirror of d10
> State: Needs maintenance
> Invoke: metasync d10
> Size: 1027216 blocks
> Stripe 0:
> Device Start Block Dbase State Hot Spare
> c0t0d0s0 0 No Okay
>
>
> d12: Submirror of d10
> State: Needs maintenance
> Invoke: metasync d10
> Size: 1027216 blocks
> Stripe 0:
> Device Start Block Dbase State Hot Spare
> c0t1d0s0 0 No Okay
>
>
> d20: Concat/Stripe
> Size: 17245920 blocks
> Stripe 0: (interlace: 248 blocks)
> Device Start Block Dbase
> c0t0d0s7 4712 Yes
> c0t1d0s7 4712 Yes
>
> d30: Soft Partition
> Component: d100
> State: Okay
> Size: 125829120 blocks
> Extent Start Block Block count
> 0 2890 104857600
> 1 249563982 20971520
>
> d40: Soft Partition
> Component: d100
> State: Okay
> Size: 125829120 blocks
> Extent Start Block Block count
> 0 104860491 104857600
> 1 228592461 20971520
>
> d50: Soft Partition
> Component: d100
> State: Okay
> Size: 18874368 blocks
> Extent Start Block Block count
> 0 209718092 18874368
>
> d100: Mirror
> Submirror 0: d101
> State: Okay
> Pass: 0
> Read option: roundrobin (default)
> Write option: parallel (default)
> Size: 426745746 blocks
>
> d101: Submirror of d100
> State: Okay
> Hot spare pool: hsp001
> Size: 426745746 blocks
> Stripe 0: (interlace: 107 blocks)
> Device Start Block Dbase State Hot Spare
> c3t0d0s3 0 No Okay
> c3t1d0s3 2889 No Okay
> c3t2d0s3 2889 No Okay
> c3t3d0s3 2889 No Okay
> c3t4d0s3 2889 No Okay
> c3t5d0s3 2889 No Okay
>
>
> hsp001: 1 hot spare
> c3t6d0s3 Available 71127180 blocks
>
> hsp002: 1 hot spare
> c4t22d0s3 Available 71127180 blocks
>
>
>
>
>
>
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