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List:       opensolaris-lvm-discuss
Subject:    [lvm-discuss] Booting off a mirror needing maintenance?
From:       matty91 () gmail ! com (Matty)
Date:       2005-08-18 21:07:49
Message-ID: Pine.GSO.4.63.0508182357550.10813 () tigger ! matty ! com
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Howdy,

While investigating the previous issue i sent to the list, I noticed that 
Solaris will boot off of a mirror that is in the state "Needs maintenance":

$ metastat
d1: Mirror
     Submirror 0: d11
       State: Needs maintenance
     Pass: 1
     Read option: roundrobin (default)
     Write option: parallel (default)
     Size: 2096640 blocks (1023 MB)

d11: Submirror of d1
     State: Needs maintenance
     Invoke: after replacing "Maintenance" components:
                 metareplace d1 c0t0d0s1 <new device>
     Size: 2096640 blocks (1023 MB)
     Stripe 0:
         Device     Start Block  Dbase        State Reloc Hot Spare
         c0t0d0s1          0     No      Last Erred   Yes


d0: Mirror
     Submirror 0: d10
       State: Needs maintenance
     Pass: 1
     Read option: roundrobin (default)
     Write option: parallel (default)
     Size: 36962352 blocks (17 GB)

d10: Submirror of d0
     State: Needs maintenance
     Invoke: after replacing "Maintenance" components:
                 metareplace d0 c0t0d0s0 <new device>
     Size: 36962352 blocks (17 GB)
     Stripe 0:
         Device     Start Block  Dbase        State Reloc Hot Spare
         c0t0d0s0          0     No      Last Erred   Yes

$ df -h
Filesystem             size   used  avail capacity  Mounted on
/dev/md/dsk/d0          17G   2.3G    15G    14%    /
/devices                 0K     0K     0K     0%    /devices
ctfs                     0K     0K     0K     0%    /system/contract
proc                     0K     0K     0K     0%    /proc
mnttab                   0K     0K     0K     0%    /etc/mnttab
swap                   1.3G   968K   1.3G     1%    /etc/svc/volatile
objfs                    0K     0K     0K     0%    /system/object
fd                       0K     0K     0K     0%    /dev/fd
swap                   1.3G     8K   1.3G     1%    /tmp
swap                   1.3G    40K   1.3G     1%    /var/run

Is this normal? I would have thought that md would stop at single user
mode if the volume wasn't "Okay" when it attempted to bring it online?

Thanks,
- Ryan

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