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Forum Discussion
RN316 replace disk with larger cloned disk
Due to some disk issues and being unable to swap out a drive, i'm looking to shutdown the nas, remove a disk and clone it, but to a larger disk.
When restarting, would the nas have an issue with the drive being suddenly larger?
Given its a clone and the partition sizes would be that of the smaller drive, does the nas recognise that and resize the partition, or create a new partition on the extra space?
3 Replies
What RAID mode are you running?
The NAS shouldn't have issues with the cloned drive, but if you are running FlexRAID it normally won't expand automatically. You could expand it manually.
One potential risk with cloning a failing disk - errored sectors aren't copied. And since the new disk is healthy, the NAS has no idea that they are errored. So you often will end up with some file system corruption. If the volume has RAID redundancy, then you are better off not cloning.
It's running X-RAID.
I understand there could be some corruption, once it's all working again i will be restoring all the important stuff from backup to be sure it's all OK, i'm just trying to avoid the hassle of getting back all the less important stuff that isn't backed up, as well as still having a 2nd copy in case anything happens to the backup while restoring.
I can't use the raid redundancy, as this happened on a 2nd disk while rebuilding a dead disk, so was just going to try this but wasn't sure that the nas would be ok with a cloned larger disk.
ppp25 wrote:
It's running X-RAID.
Although I haven't tried this, I believe X-RAID will check for expansion. I doubt it will actually expand a degraded volume, but that might depend on the size of the dead disk.
A volume is degraded if any of the RAID groups in it are degraded. But if the "top" RAID group in the system isn't degraded (because the dead disk is a smaller one), then it is possible that the volume would expand.
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