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Forum Discussion
Understanding RAID-X basics for data recovery
Hi, I'm looking for some help about the fundamentals of the storage technology used by the ReadyNAS Duo, in order to perform a data recovery, or a way to restore the ReadyNAS Duo without erasing ex...
a) How do you mean data was lost? Can you describe what happened that led you to this conclusion
c) and d) With X-RAID on the Duo v1, it is normal for only one disk to have a partition table on it. In this case disk 2 is the dedicated parity disk which does not have a partition table on it. Newer models use distributed parity across all the disks and don't have a dedicated parity drive.
e) Told by whom?
1) You could do it on just disk 1 (the one with the partition table).
2) Only on one of the two disks in the Duo. See comment above
3) Assuming the data is still there, this may help: http://home.bott.ca/webserver/?p=306 - I assume you still have the clones? These could be useful if something goes wrong with attempting data recovery.
5) If I have a remote look at your system in a low-level diagnostics mode I may be able to give an answer on that.
c) and d) With X-RAID on the Duo v1, it is normal for only one disk to have a partition table on it. In this case disk 2 is the dedicated parity disk which does not have a partition table on it. Newer models use distributed parity across all the disks and don't have a dedicated parity drive.
e) Told by whom?
1) You could do it on just disk 1 (the one with the partition table).
2) Only on one of the two disks in the Duo. See comment above
3) Assuming the data is still there, this may help: http://home.bott.ca/webserver/?p=306 - I assume you still have the clones? These could be useful if something goes wrong with attempting data recovery.
5) If I have a remote look at your system in a low-level diagnostics mode I may be able to give an answer on that.
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