I'm trying to understand what could have gone wrong.
I have a mirrored set with 3 drives and non-ECC memory. Not sure what else to share.
I was under assumption that having a 3-way mirror would keep me relatively secure from incidental corruptions, like failing drives, or that memory corruption would be recoverable (from one of 2 remaining disks).
But I'm probably misunderstanding.
Can anyone explain what could have gone wrong so I can secure myself for the future?
$ sudo zpool status -v pool: dozer state: ONLINE status: One or more devices has experienced an error resulting in data corruption. Applications may be affected. action: Restore the file in question if possible. Otherwise restore the entire pool from backup. see: http://zfsonlinux.org/msg/ZFS-8000-8A scan: scrub repaired 0 in 8h36m with 1 errors on Sun Jan 6 02:12:32 2019 config: NAME STATE READ WRITE CKSUM dozer ONLINE 0 0 1 mirror-0 ONLINE 0 0 2 ata-WDC_WD40EFRX-68N32N0_WD-WCC7K1ZKZLYK ONLINE 0 0 2 ata-WDC_WD40EFRX-68N32N0_WD-WCC7K6VCAZXL ONLINE 0 0 2 ata-ST4000DM000-1F2168_S301LW48 ONLINE 0 0 2 errors: Permanent errors have been detected in the following files: /dozer/path/to/my/file