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Forum Discussion
andy_felton
Jul 01, 2021Aspirant
ReadyNAS 104 stuck in syncing state
Hi, I have ReadyNAS 104 which has been working reliably for years - just had a power outage and now when booting it showing resyncing on RAIDar and has been stuck at 0.4% for about 2 hours. I...
StephenB
Jul 01, 2021Guru - Experienced User
andy_felton wrote:
I have ReadyNAS 104 which has been working reliably for years - just had a power outage and now when booting it showing resyncing on RAIDar and has been stuck at 0.4% for about 2 hours.
I always recommend using a UPS to protect the NAS from unclean shutdowns. They are more likely to cause trouble with RAID systems than with single disk systems (like most PCs).
What disks (manufacturer and model) are you using?
The resync is probably because there were queued writes pending when the power failed. That would cause the RAID array to get somewhat out of sync. The best strategy is to wait a bit longer. You can also contract paid support - though if you need a data recovery contract, that would be expensive.
andy_felton wrote:
Concerned as my ReadyNAS 102 has also failed and was the backup for my 104 :-(
As a result of the same power failure? Can you give more information on what's going on there?
andy_felton
Jul 01, 2021Aspirant
Thanks Stephen.
I'll raise another query at some point about the 102 so as to not confuse this one!
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