Replace healty disk in ZFS
My ZFS poll is named pvetank.
Check disk status
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zpool status
Take the disk that needs replacing offline
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zpool offline pvetank ata-WDC_WD60EFRX-68L0BN1_WD-WX21DC74DPAZ
Check that it is now offline
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zpool status
Shutdown and replace the disk
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shutdown
Either ‘Initialize Disk with GPT’ in Proxmox GUI
or in terminal:
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parted /dev/new-disk
(parted)# print
(parted)# mklabel GPT
(parted)# Yes
(parted)# q
The command to replace the disk in the pool:
zpool replace pool /dev/disk/by-id/old /dev/disk/by-id/new
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zpool replace pvetank /dev/disk/by-id/ata-WDC_WD60EFRX-68L0BN1_WD-WX21DC74DPAZ /dev/disk/by-id/ata-WDC_WD60EFZX-68B3FN0_WD-C82P46GK
zpool status will now give you something like:
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root@pve:~# zpool status
pool: pvetank
state: DEGRADED
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 Thu Apr 13 16:58:25 2023
5.16G scanned at 441M/s, 11.7M issued at 998K/s, 2.16T total
0B resilvered, 0.00% done, no estimated completion time
config:
NAME STATE READ WRITE CKSUM
pvetank DEGRADED 0 0 0
raidz1-0 DEGRADED 0 0 0
ata-WDC_WD60EFZX-68B3FN0_WD-CA1JPXZK ONLINE 0 0 0
replacing-1 DEGRADED 0 0 0
ata-WDC_WD60EFRX-68L0BN1_WD-WX21DC74DPAZ OFFLINE 0 0 0
ata-WDC_WD60EFZX-68B3FN0_WD-C82P46GK ONLINE 0 0 0
ata-WDC_WD60EFRX-68L0BN1_WD-WX21DC7APNR3 ONLINE 0 0 0
errors: No known data errors