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Forum Discussion
Is removing 1 HD is safe?
Hi everyone,
I have a silly question, and I am afraid to try it before asking...
I have a ReadyNas Duo V1 running on 2 HD (1Tb each) since 3 years now. HD occupancy is at 80%.
I would like to (temporarily for a few weeks) use one on these 1Tb HD as an external drive.
Is it safe to shut down the NAS, and extract one of the 2 disks, reformat it, use it for few weeks, and then put it back to the NAS ?
My NAS will still run without error with only 1 HD ?
I have a silly question, and I am afraid to try it before asking...
I have a ReadyNas Duo V1 running on 2 HD (1Tb each) since 3 years now. HD occupancy is at 80%.
I would like to (temporarily for a few weeks) use one on these 1Tb HD as an external drive.
Is it safe to shut down the NAS, and extract one of the 2 disks, reformat it, use it for few weeks, and then put it back to the NAS ?
My NAS will still run without error with only 1 HD ?
7 Replies
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- The NAS will complain about not being redundant but provided you don't have it configured to shutdown on disk failure it will continue to run.
When you put the disk back in (do this while the NAS is on) it will be wiped and there will be a lengthy resync to rebuild the RAID putting heavy stress on both disks.
I don't recommend this, but if you insist on doing it make sure your backup of important data primarily stored on the ReadyNAS is up to date first. Say you removed disk 2 (for example) and then when you put disk 2 back in disk 1 failed during the resync you would need to restore your data from backup.
Far better to buy a new disk for your external drive purposes. - Thanks for this very clear answer.
Could you just explain why is it better to put it back while NAS is on ? What will happen if I plug it with NAS off ? - If you put it in while the NAS is on the NAS will wipe it. If you put it in while the NAS is off the NAS may refuse to boot. If you want to put it in while the NAS is off be sure to delete the partitions off the disk, so the NAS detects it as a blank unformatted disk with no partitions.
- Many thanks for this vital information !
- May I ask another silly question.
I bet HD1 is on the right slot, and HD2 is on the left slot.
But what will happen if I remove HD1, keeping in place HD2 ?
ie. is ReadyNAS using HD1 as primary disk ? - Normally it boots from HD1.
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