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I will swap one of the tree HDDs because of SMART error warnings.
I think after removing the problematic HDD the NAS will immedeatily start a job (I guess will will redistribute to be redundent fo the new situations with only 2 disks).
If I remove the problematic drive (with NAS running) should I immediately insert the new HDD or wait untill the NAS is done with the (redistribution?) job it has given itself?
Is it better to power down the NAS or to do a hot swap anyway? I can easily power down the NAS to do the swap.
To prevent access, while completing the rebuild, can I take out the ethernet connection. That would be much easier than making sure nobody is trying to read or write from/to the NAS with any of the multiple devices.
To prevent access, while completing the rebuild, can I take out the ethernet connection. That would be much easier than making sure nobody is trying to read or write from/to the NAS with any of the multiple devices.
You can, but I don't see a reason to. The NAS can be used during the resync (though performance will be less). That's the main benefit of RAID - keeping data available.
To prevent access, while completing the rebuild, can I take out the ethernet connection. That would be much easier than making sure nobody is trying to read or write from/to the NAS with any of the multiple devices.
You can, but I don't see a reason to. The NAS can be used during the resync (though performance will be less). That's the main benefit of RAID - keeping data available.
I will swap one of the tree HDDs because of SMART error warnings.
I think after removing the problematic HDD the NAS will immedeatily start a job (I guess will will redistribute to be redundent fo the new situations with only 2 disks).
No, it will not. It will remain non-redundant until you insert a replacement drive and it completes resync. The resync process is drive intensive, so you should make sure your backup is up to date in the event that the process pushes a second drive to the breaking point. It's not likely, but it is possible (especially if another drive is the same age) and has happened to others. If you lose a second drive before resync completes, you lose everything.
