RAID5 recovery from a dead ReadyNAS

Discussions on using the professional data recovery program R-STUDIO for RAID re-construction, NAS recovery, and recovery of various disk and volume managers: Windows storage spaces, Apple volumes, and Linux Logical Volume Manager.
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Joined: Wed Dec 01, 2021 9:35 am

RAID5 recovery from a dead ReadyNAS

Post by jojo » Wed Dec 01, 2021 9:57 am

The ReadyNas failed after an extended power outage. It is not responsive at all.
It had 4 drives, and all 4 drives pass SMART tests and seem to function (no obvious clicking or strange noise).
I have them all connected to a windows box with R-Studio 8.17
I believe I have the Virtual Block RAID parent page configured correctly, as it shows 3 mdadm Protective Partitions plus some free space under it in the Device/Disk list. The free space is basically the size of 1 of the disks.
A scan for partitions cause a bunch more to appear, however, looking at the files on any them show partial files.
I'm not sure what is going on.

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Re: RAID5 recovery from a dead ReadyNAS

Post by Alt » Thu Dec 02, 2021 4:09 pm

Can the file system be BTRFS on that free space? If yes, R-Studio doesn't currently support this file system, and scan for known file system is the only option.

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