We have a RAIDZ pool:
root@p1s52:~# zpool status -v t1
pool: t1
state: ONLINE
scan: resilvered 136G in 0h24m with 0 errors on Fri Jul 20 18:34:06 2018
config:
NAME STATE READ WRITE CKSUM
t1 ONLINE 0 0 0
raidz1-0 ONLINE 0 0 0
c1t5000CCA05CDCF589d0 ONLINE 0 0 0
c1t5000CCA05CDE3F85d0 ONLINE 0 0 0
c1t5000CCA05CDEE1A1d0 ONLINE 0 0 0
errors: No known data errors
Let's replace first vdev twice:
root@p1s52:~# zpool replace t1 c1t5000CCA05CDCF589d0 c1t5000CCA05CDEE105d0;
zpool replace t1 c1t5000CCA05CDCF589d0 c1t5000CCA05CDE4475d0;zpool status -v t1
pool: t1
state: ONLINE
status: One or more devices is currently being resilvered. The pool will
continue to function, possibly in a degraded state.
action: Wait for the resilver to complete.
scan: resilver in progress since Fri Jul 20 18:40:11 2018
1.03G scanned out of 775G at 262M/s, 0h50m to go
700M resilvered, 0.13% done
config:
NAME STATE READ WRITE CKSUM
t1 ONLINE 0 0 0
raidz1-0 ONLINE 0 0 0
replacing-0 ONLINE 0 0 0
c1t5000CCA05CDCF589d0 ONLINE 0 0 0
c1t5000CCA05CDEE105d0 ONLINE 0 0 0 (resilvering)
c1t5000CCA05CDE4475d0 ONLINE 0 0 0 (resilvering)
c1t5000CCA05CDE3F85d0 ONLINE 0 0 0
c1t5000CCA05CDEE1A1d0 ONLINE 0 0 0
errors: No known data errors
Et voila!
Let's do it once again:
root@p1s52:~# zpool replace t1 c1t5000CCA05CDCF589d0 c1t5000CCA05CE07BC5d0;
zpool status -v t1
pool: t1
state: ONLINE
status: One or more devices is currently being resilvered. The pool will
continue to function, possibly in a degraded state.
action: Wait for the resilver to complete.
scan: resilver in progress since Fri Jul 20 18:42:20 2018
1.02G scanned out of 816G at 262M/s, 0h53m to go
1.02G resilvered, 0.13% done
config:
NAME STATE READ WRITE CKSUM
t1 ONLINE 0 0 0
raidz1-0 ONLINE 0 0 0
replacing-0 ONLINE 0 0 0
c1t5000CCA05CDCF589d0 ONLINE 0 0 0
c1t5000CCA05CDEE105d0 ONLINE 0 0 0 (resilvering)
c1t5000CCA05CDE4475d0 ONLINE 0 0 0 (resilvering)
c1t5000CCA05CE07BC5d0 ONLINE 0 0 0 (resilvering)
c1t5000CCA05CDE3F85d0 ONLINE 0 0 0
c1t5000CCA05CDEE1A1d0 ONLINE 0 0 0
errors: No known data errors
Best regards,
-Igor
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openzfs: openzfs-developer
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