4 ms·

Raid array should always be scrubbed every few months to prevent this exact situation

• nabeards 3y ago
  Scrubbed as in erased? Where do you temporarily place 1PB+ of data while that’s happening?
  • bell-cot 3y ago
    `zpool scrub $Name_Of_zfs_Storage_Pool` https://docs.oracle.com/cd/E18752_01/html/819-5461/gbbwa.html https://docs.oracle.com/cd/E18752_01/html/819-5461/gbbwa.htm...
  • duskwuff 3y ago
    Scrubbed, as in performing a periodic read of the entire array to 1) check the data for consistency and 2) exercise the drives.
  • deleted 3y ago
    [deleted]
• singron 3y ago
  Scrubbing helps fix random errors in the drive data, but it won't prevent correlated disk failure. If a drive fails during the scrub, then you still have to replace the disk, and it's still very likely that another disk can fail in that time. If you just want to eliminate lemons, then you can do a burn-in test before adding it to your array, but IMO even bad disks usually don't fail that quickly.