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We are digital librarians. Among us are represented the various reasons to keep data -- legal requirements, competitive requirements, uncertainty of permanence of cloud services, distaste for transmitting your data externally (e.g. government or corporate espionage), cultural and familial archivists, internet collapse preppers, and people who do it themselves so they're sure it's done right. Everyone has their reasons for curating the data they have decided to keep (either forever or For A Damn Long Time (tm) ). Along the way we have sought out like-minded individuals to exchange strategies, war stories, and cautionary tales of failures.

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Question regarding Snapraid recovery scenario (alien.top)

submitted 10 months ago by [email protected] to c/[email protected]

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A Snapraid user has six data disks and two levels of parity.

If a second data drive dies during the "snapraid fix" operation for the first failed drive, will the fix for the first failed drive continue without issue?

If the fix for the first drive completes without issue should the user then perform another "snapraid fix" operation for the second failed drive?

Or should the first fix operation be cancelled and a fix operation started for both drives at the same time? ex: "snapraid -d d1 -d d2 -l fix.log fix"?

Similarly, if one of the two parity drives fails during a sync operation, will the second parity drive allow the operation to complete successfully without any interaction from the user?

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[–] [email protected] 1 points 10 months ago

If a second data drive dies during the "snapraid fix" operation for the first failed drive, will the fix for the first failed drive continue without issue?

If a fix operation started and a disk failed, it will fail out and you will have to start over and fix both disks.

Similarly, if one of the two parity drives fails during a sync operation, will the second parity drive allow the operation to complete successfully without any interaction from the user?

No. It will fail out and you will have to rebuild the new parity.