[foxboro] Broken Concatenated Disk



  Anyone familiar with repairing a concatenated drive?

  I have a AW51B with a simple concatenated drive (NOT mirrored).  From
single user mode I can mount /opt and look at all the /opt files (at least
all the SAM files, our operator displays, all the /opt/fox files, and every
other directory I checked).

  The Informix historian conked out over the weekend and the last timestamp
on our "cooked" file was the same time that the concatenated disk went into
"needs maintenance" status.

  If I drop in another disk and mount /opt I can tell which directories are
on the "bad" cat disk because I can't access them on the "new" cat disk -
which is to be expected because the new disk is empty.

  So if I CAN access directories that are on the "bad" disk, but the status
is "Nds_Maint", how can I  re-concatenate the disk?  There is a lot of info
in the Foxdoc on repairing mirrored drives, but not much on a simple
concatenation.  The DiskSuite manual on docs.sun.com doesn't seem to address
my problem either.

  Any ideas?

Steve Murray
Asarco
smurray@xxxxxxxxxx


  My md.tab has: 
d15 2 1 /dev/dsk/c0t3d0s7 1 /dev/dsk/c0t2d0s7

  3FFAW1# dft show_status

Metamirror      Submirror      Size       Device        State

   d0:             d10:        76000    ESP0 / SCSI3    Okay
   d1:             d11:       197600    ESP0 / SCSI3    Okay
   d2:             d12:        57760    ESP0 / SCSI3    Okay
   d3:             d13:       258400    ESP0 / SCSI3    Okay
   d4:             d14:      1231200    ESP0 / SCSI3    Okay
   d5:             d15:      6478240    ESP0 / SCSI3    Nds_Maint

Operation SUCCEEDED

3FFAW1# metastat -t
. 
.
.
d5: Mirror
    Submirror 0: d15
      State: Needs maintenance Sun Feb 10 03:42:31 2002
    Pass: 1
    Read option: roundrobin (default)
    Write option: parallel (default)
    Size: 6478240 blocks

d15: Submirror of d5
    State: Needs maintenance Sun Feb 10 03:42:31 2002
    Invoke: after replacing "Maintenance" components:
                metareplace d5 c0t2d0s7 <new device>
    Size: 6478240 blocks
    Stripe 0:
      Device     Start  Dbase  State        Hot Spare  Time
      c0t3d0s7       0  No     Okay                    Wed Apr 07  08:39:01
1999
    Stripe 1:
      Device     Start  Dbase  State        Hot Spare  Time
      c0t2d0s7       0  No     Last Erred              Sun Feb 10  03:42:31
2002


  

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