zpool vdev vs. glabel

[Gerrit Kühn]

On Wed, 10 Feb 2010 10:18:49 +0100 Marius Nünnerich <marius at nuenneri.ch>
wrote about Re: zpool vdev vs. glabel:

MN> It seems there is some kind of race condition with zfs either picking
MN> up the disk itself or the label device for the same disk. I guess it's
MN> which ever it probes first.

This could explain it. However, it seems that zfs sticks to the da device
once it changed it's mind. Meanwhile I discovered one more system where is
obviously has happened (although I cannot say when:

luna# zpool status
  pool: tank
 state: ONLINE
 scrub: none requested
config:

        NAME              STATE     READ WRITE CKSUM
        tank              ONLINE       0     0     0
          raidz1          ONLINE       0     0     0
            label/disk-1  ONLINE       0     0     0
            da0           ONLINE       0     0     0
            label/disk-2  ONLINE       0     0     0
            label/disk-3  ONLINE       0     0     0

errors: No known data errors

MN> I wrote the GPT part of glabel for using
MN> it in situations like this, I had not a single report of this kind of
MN> problem with the gpt labels. Maybe you can try them too?

Yeah, I just have to look into how gpt labels work. I did not use them at
all up to now.


cu
  Gerrit