How to check ZFS File System Storage Pool on Proxmox
There is no fsck command for ZFS, which Linux and Unix use for file system repair. However, ZFS comes with a scrub option.
This subcommand is a root-initiated dynamic consistency check. It runs in the background on a mounted live filesystem. Hence, we use the zpool scrub command for ZFS storage and test file system integrity.
ZFS scrubbing option examines all data to discover silent errors due to hardware faults or disk failure.
The syntax to check data integrity is to initiate an explicit scrubbing of all the pools. So run:
– zpool scrub pool_name_here
See the current health status for the given ZFS storage:
– zpool status -v pool_name_here
Please note that ZFS scrubbing and resilvering are I/O-intensive operations. Hence, ZFS only allows one scrub option at a time.
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