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Disk replacement - back sync and again degraded after reboot
Hi all, I am having some trouble with my RN524. I have 2x1TB and 2x4TB disks, each couple in RAID1 on my NAS. A few days ago, while I was away (bacause it always happens while I am away...) one of t...
I have returned finally home and swapped the drives... and it works fine.
Oh well, problem solved, next time use more brain...
Thank you everyone, sorry for the mistake!
I have the feeling that something got stuck in the OS. I have tried to format the disk and nothing changed. I have tried also to set it as global spare but nothing changed either. I'm not sure of what I can do remotely once I leave, I'm quite nervous about leaving the NAS for two more weeks without redundancy... I have the backup, but still...
It sounds like your NAS is undecided about that drive's status. Prevention of formatting and inability to expand using it or set it as a spare would normally mean the drive is a part of the volume. But the display clearly shows it's not.
Download the log zip file and look at mdstat.log and see if it shows the drive as a part of the volume. Paste it in a message here if you need help interpreting. Maybe the GUI and the underlying Linux system are out of sync.
The next thing you should do is insure that your backup is up to date. When the NAS gets into a "grey area", as yours seems to have done, volume loss becomes a bigger risk.
If the log says the drive is a part of the volume, then a reboot might clear things up. If it's not, removing and re-installing (with power on) may change things. If you have the ability to test the drive with vendor tools on a PC while it's out, that's also a good step.
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