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Forum Discussion
X-RAID over RAID 5
With the recent news about RAID 5 vulnerabilities with read errors during rebuild after one disk failure causing complete RAID failure, I was wondering if X-RAID allows read errors on rebuild and allo...
There is always a possibility of failures, and upgrading the drives is a sensitive process. It is like you said, if one of the disks is resyncing and another disk drops out of the array; it is as good as a dual disk failure.
I can't say that X-RAID is better than RAID5. It is there for the volume expansion. What we do on both XRAID and RAID5 (with flex-raid) is make sure that we halt the RAID ASAP, so we can minimize the damage to the RAID (if it were to come to that point). If the one disk fell out by a few minutes and there was not changes to the data, there is a chance to get the data back online.
These occurrences are rare, but they can happen. I recommend keeping your disks healthy and have a backup to be on the safe side.
I can't say that X-RAID is better than RAID5. It is there for the volume expansion. What we do on both XRAID and RAID5 (with flex-raid) is make sure that we halt the RAID ASAP, so we can minimize the damage to the RAID (if it were to come to that point). If the one disk fell out by a few minutes and there was not changes to the data, there is a chance to get the data back online.
These occurrences are rare, but they can happen. I recommend keeping your disks healthy and have a backup to be on the safe side.
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