I am seeing this issue posted a lot in the forums:
A zpool add/replace command is run, for example:
zpool add archive spare c2t0d2
invalid vdev specification
use '-f' to override the following errors:
/dev/dsk/c2t1d7s0 is part of active ZFS pool archive. Please see zpool(1M).
(-f just says: the following errors must be manually repaired:)
Also, when running format and selecting this disk, the same error message is
printed about the c2t1d7s0 device.
In my case, I am running the current arcmsr driver for an Areca 1680
controller. The disks are running in pass-through mode. I have had issues
with too many I/O errors causing zfs fault devices. Many months of working on
these issues has caused confusion in zfs because (I believe) at times physical
devices have mapped to different solaris disk devices.
Finally I believe I might have resolved the I/O problems and have a healthy
zpool:
NAME STATE READ WRITE CKSUM
archive ONLINE 0 0 0
raidz1 ONLINE 0 0 0
c2t1d4 ONLINE 0 0 0
c2t1d5 ONLINE 0 0 0
c2t1d0 ONLINE 0 0 0
c2t1d1 ONLINE 0 0 0
c2t0d1 ONLINE 0 0 0
raidz1 ONLINE 0 0 0
c2t0d3 ONLINE 0 0 0
c2t0d7 ONLINE 0 0 0
c2t1d3 ONLINE 0 0 0
c2t0d5 ONLINE 0 0 0
c2t0d4 ONLINE 0 0 0
raidz1 ONLINE 0 0 0
c2t0d0 ONLINE 0 0 0
c2t0d2 ONLINE 0 0 0
c2t0d6 ONLINE 0 0 0
c2t1d6 ONLINE 0 0 0
c2t1d7 ONLINE 0 0 0
Yet I was still unable to add in my last drive (16 SAS drives, 15 are listed
above) as a spare.
I have tried:
export/importing the zpool.
rewriting the label to c2t1d2 as EFI
dd'ing the first and last 1M of c2t1d2
I keep getting that c2t1d7s0, a completely different device, is part of an
active zfs pool. I don't know for sure but I guess at some point this physical
drive was c2t1d7 in solaris, but either way, who cares now?
For the record, I have come up with a work-around I came up with, but this
doesn't answer the question.
I deleted the pass-through drive in question in the RAID controller interface
then recreated it using a different SCSI ID and LUN.
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