![]() ![]() He wrote more than 7k+ posts and helped numerous readers to master IT topics. Vivek Gite is the founder of nixCraft, the oldest running blog about Linux and open source. Make sure you read zfs man pages online here or at the CLI using the man command as follows: ![]() #ZFS COMMANDS TO MONITOR DISK HEALTH HOW TO#You learned how to test ZFS for hardware errors and ZFS file system integrity. Use the zfs list t snapshot command to identify disk space that is. ZFS snapshots can consume disk space and if they are not listed by the zfs list command, they can silently consume disk space. These errors might have been found during disk scrubbing or. Monitor your storage pool space Use the zpool list command and the zfs list command to identify how much disk is consumed by file system data. Scan: scrub repaired 0B in 00:24:44 with 0 errors on Mon May 17 03:28:34 2021Ī resilver is an automatic dynamic consistency restoration run after a disk or network failure or slowdown of one or more mirrors. The zpool status command also shows whether any known errors are associated with the pool. The -v option shows verbose data error information, printing out a complete list of all data errors since the last complete pool scrub. Scan: scrub in progress since Tue Oct 19 12:11:45 2021ġ62G scanned at 27.0G/s, 1.10M issued at 188K/s, 1.13T totalĠB repaired, 0.00% done, no estimated completion time ![]() Here is a sample outputs indicating active scan from my FreeBSD 13 box: The zpool status command reports the progress of the scrub and summarizes the results of the scrub upon completion. # zpool scrub zroot Checking ZFS File system storage pool status When a scrub is paused, the zpool scrub command again resumes it. # zpool scrub -w zroot Stop scrubbing command We can wait until scrub has completed before returning by passing the -w: ![]()
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