I'm running a small ZFS pool on a cheap Intel motherboard. Apparently one of
the plugs has gone bad on my motherboard and it won't connect anymore:
soren at sbox:~$ uname -a
SunOS sbox 5.11 snv_123 i86pc i386 i86pc Solaris
soren at sbox:~$ zpool status
NAME STATE READ WRITE CKSUM
tank DEGRADED 0 0 0
raidz1 DEGRADED 0 0 0
c4t1d0 ONLINE 0 0 0
c4t2d0 ONLINE 0 0 0
c4t3d0 ONLINE 0 0 0
c4t4d0 UNAVAIL 0 0 0 cannot open
No big deal - I've verified that the drive is still working, and I've moved
that drive to a different SATA plug so that it's visible again:
soren at sbox:~$ pfexec format
Searching for disks...done
AVAILABLE DISK SELECTIONS:
0. c0t0d0 <DEFAULT cyl 9726 alt 2 hd 255 sec 63>
/pci at 0,0/pci8086,5044 at 1f,2/disk at 0,0
1. c0t1d0 <ATA-WDC WD7500AACS-0-1B01-698.64GB>
/pci at 0,0/pci8086,5044 at 1f,2/disk at 1,0
2. c0t2d0 <ATA-WDC WD7500AACS-0-1B01-698.64GB>
/pci at 0,0/pci8086,5044 at 1f,2/disk at 2,0
3. c0t3d0 <ATA-WDC WD7500AACS-0-1B01-698.64GB>
/pci at 0,0/pci8086,5044 at 1f,2/disk at 3,0
4. c0t5d0 <ATA-WDC WD7500AACS-0-1B01-698.64GB>
/pci at 0,0/pci8086,5044 at 1f,2/disk at 5,0
In this case the drive which was inaccessible as c0t4d0 is now at c0t5d0.
Unfortunately I can't get this drive to reconnect. I've tried replacing it with
itself, but it's telling me that I can't do this because it's part of an active
ZFS pool already:
soren at sbox:~$ pfexec zpool replace -f tank c0t5d0
invalid vdev specification
the following errors must be manually repaired:
/dev/dsk/c0t5d0s0 is part of active ZFS pool tank. Please see zpool(1M).
soren at sbox:~$ pfexec zpool replace -f tank c4t4d0 c0t5d0
invalid vdev specification
the following errors must be manually repaired:
/dev/dsk/c0t5d0s0 is part of active ZFS pool tank. Please see zpool(1M).
I'd love to know what I can do to bring my pool back online.
While I'm at it I'm also curious why 'format' says that my drives are at c0 but
ZFS thinks they're all at c4.
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