Date: Fri, 28 May 2010 08:36:38 -0500 From: "James R. Van Artsdalen" <james-freebsd-fs2@jrv.org> To: freebsd-fs <freebsd-fs@freebsd.org> Subject: ZFS: how to replace a dead disk? Message-ID: <4BFFC6E6.2070505@jrv.org>
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What's the right way to replace a dead disk under ZFS?
When ada1 failed I tried "zpool replace jwrc ada1" and when it finished
I got this:
root@cyclone ~]# zpool status
pool: jwrc
state: DEGRADED
status: One or more devices has experienced an error resulting in data
corruption. Applications may be affected.
action: Restore the file in question if possible. Otherwise restore the
entire pool from backup.
see: http://www.sun.com/msg/ZFS-8000-8A
scrub: resilver completed after 14h55m with 11 errors on Fri May 28
04:28:56 2010
config:
NAME STATE READ WRITE CKSUM
jwrc DEGRADED 0 0 11
raidz1 DEGRADED 0 0 23
ada2 ONLINE 0 0 0 889M resilvered
replacing DEGRADED 0 0 0
ada1/old UNAVAIL 0 256K 0 cannot open
ada1 ONLINE 0 0 0 1.47T resilvered
ada3 ONLINE 0 0 0 879M resilvered
ada4 ONLINE 0 0 0 808M resilvered
errors: 5 data errors, use '-v' for a list
---
It says "replacing" and that the device, vdev and pool are degraded, yet
the "resilver" finished hours ago. I cannot detach the ada1/old entry.
Is there some other command I should have used to remove the dead ada1
device?
This kernel 206111, roughly April 1, on amd64
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