December 16, 20232 yr Scratching my head on this one...unraid fluke? Dual parity 12TB, 6.12.6, all XFS drives, monthly checks, 0 errors on last parity check. 1. I precleared a 5TB that I've had as a hot spare for my array, 0 errors, shows in unassigned devices. 2. Removed Smart Failed/But Still Good 4TB from array (10 Uncorrectables) 3. Replaced With Pre-cleared 5TB 4. Started array with Rebuild, 0 Errors on rebuild 5. Red X a different 5TB drive!? ****The drive does have several uncorrectables**** Will a drive red X and emulate if it has too many uncorrectables? And not show any errors in the rebuild? Edited December 16, 20232 yr by bsim
December 16, 20232 yr Community Expert 1 hour ago, bsim said: Will a drive red X and emulate if it has too many uncorrectables? And not show any errors in the rebuild? since you have dual parity the system will be able to successfully handle 2 'failed/disabled' drives - the one being rebuilt and the one with a new red 'x' although you are not protected against another drive having problems until the current rebuild completes.
December 17, 20232 yr Author But will a drive be flagged/emulated by unraid (Red X) because of too many uncorrectables? Or does there have to be something else wrong with the drive?
December 17, 20232 yr Community Expert 1 hour ago, bsim said: But will a drive be flagged/emulated by unraid (Red X) because of too many uncorrectables? Or does there have to be something else wrong with the drive? A drive only gets the red ‘x’ when a write to it fails. This can be for all sorts of reasons some of which can be external to the drive.
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