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Forum Discussion
Disk upgrade when ond drive is failing
RN31200 with two 1TB drives running in XRaid mode.
One of the drives has failed.
I want to replace the drives with a larger set -- 2 or 4 TB pair
Article ID: 21415outlines a procedure that says replace one drive and let it sync, then replace the other drive and let it sync and finally boot the system and it will be rebuilt wo include the larger drives.
Is it truely that simple or are there some 'hints/tricks' that would help?
4 Replies
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Digital999 wrote:
Is it truely that simple or are there some 'hints/tricks' that would help?
It is about that simple. Though it is recommended to back up your data first, especially since one disk has already failed.
You'd hot-swap the failed disk first (removing it, and inserting a new blank one with the NAS running). After the resync completes (which will take quite a while), you hot-swap the second. That will resync in two steps (and the volume won't expand until the second step).
Personally I like to test the new disks in a PC first (using Lifeguard for Western Digital; SeaTools for Seagate). If you do that, then don't format them.
FWIW, I recommend using NAS-purposed disks for your NAS (Seagate Ironwolf or WD Red drives).
Thank you for the reassuring response. It is always comforting to hear the voice of experience.
What I had previously missed is replacement while device is running -- I would have turned off since I am sort of a careful approach person.
We have many units across the country -- they will all need proflactic replacment/upgrade over the next year or so. This is a pilot of the process that we hope to accomplish with non-technical personnel.
Digital999 wrote:
What I had previously missed is replacement while device is running -- I would have turned off since I am sort of a careful approach person.
You can also replace the drive with the system turned off, but I always recommend hot-swapping or hot-insertion instead. The reason is that when the system is on it can easily detect the removal and insertion. When the system is off, it needs to figure out what has changed.
You do need to be more careful to replace the right drive when the system is turned on, as bad things can happen if you accidently remove the wrong one.
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