On Sun, 24 Apr 2011, Pawel Jakub Dawidek wrote:

On Sun, Apr 24, 2011 at 05:25:00AM -0500, Dan Mack wrote:
For those of us using a ZFS root pool built out of /dev/gpt/
devices, will these automagically pick up the new names?

Even if you use adX devices in your ZFS pool and they will suddenly
change to adaY, ZFS should detect this properly and no manual
intervention should be needed.

Yep, confirmed. My boot zroot RAID10 pool previously built from ad4, ad6, ad8, ad10 worked without a hitch with the new enumeration scheme:

borg# gpart status
  Name  Status  Components
ada0p1      OK  ada0
ada0p2      OK  ada0
ada0p3      OK  ada0
ada1p1      OK  ada1
ada1p2      OK  ada1
ada1p3      OK  ada1
ada2p1      OK  ada2
ada2p2      OK  ada2
ada2p3      OK  ada2
ada3p1      OK  ada3
ada3p2      OK  ada3
ada3p3      OK  ada3
borg# zpool status
  pool: zroot
 state: ONLINE
 scan: none requested
config:

        NAME           STATE     READ WRITE CKSUM
        zroot          ONLINE       0     0     0
          mirror-0     ONLINE       0     0     0
            gpt/disk0  ONLINE       0     0     0
            gpt/disk1  ONLINE       0     0     0
          mirror-1     ONLINE       0     0     0
            gpt/disk2  ONLINE       0     0     0
            gpt/disk3  ONLINE       0     0     0

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