zfs: scrub vs resilver (are they equivalent?) - Server Fault
Mar 18, 2020 · A scrub operation will read ALL data, both primary and parity data. So if you are resilvering a mirror or raidz1, they are equivalent as resilver has to read all the surviving data. If you …
Why does a ZFS resilver scan the entire pool? - Server Fault
Apr 30, 2015 · Resilvering (and scrubbing) involves walking the entire B-Tree of the pool, and re-silvering blocks that would have been on the missing disk. Without walking through every single txg …
How can I speed up a zfs resilver on a 24x 16TB drive draid2 array ...
Sep 9, 2023 · Far from being a zfs expert, but I have had pools go into degraded mode because they lost connection to one side of the mirror for a short while. After getting the lost disk back the resilver …
debian - ZFS endless resilvering - Server Fault
I have a large (> 100TB) ZFS (FUSE) pool on Debian that lost two drives. As the drives failed, I replaced them with spares until I could schedule an outage and physically replace the bad disks. W...
zpool - Is it possible to detach and reattach a ZFS disk without ...
Oct 31, 2014 · Don't go down the road of breaking the ZFS array to "rotate" disks offsite. As you've seen, the rebuild time is high and the resilvering process will read/verify the used size of the dataset. …
debian - zpool stuck in resilvering loop - Server Fault
Dec 8, 2019 · The drive began resilvering, but gets about 4% through and then restarts. smartctl shows no issues with either drive (No errors logged, WHEN_FAILED empty). However, I can't tell which disk …
ZFS: what does it mean if all disks are ONLINE but resilvering takes place?
Jun 17, 2015 · I have a pool of four raidz1 on Solaris 10, three of which look like this: state: ONLINE status: One or more devices is currently being resilvered. The pool will continue to function, pos...
ZFS - Zpool disk replace results in restarting resilver process that ...
May 19, 2017 · I replaced a broken drive with a type already used in my pool for some time. The problem I face is that the resilver process seems to be stuck in a restart-loop. Whenever I check the …
opensolaris - ZFS - is it safe to remove files served by ZFS during a ...
Oct 19, 2020 · Any userland storage operations are fine to perform, but they do effectively halt the resilvering while they're being performed. ZFS prioritizes normal operations (using the file system) …
ZFS: How can I stop a zpool replace that's currently in progress?
After putting a new drive in my spool before the hot spare finish resilvering, I just detach my spare to stop the silvering process and it work. After that I replace my bad drive with the new one. For us one …