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ReadyNAS 314 says "Volume data is degraded", but no errors in logs or disk reports
I have a RN31400. In the web interface, Admin page, System tab, it says "Status: Degraded". It's been saying that for a while. In the Volumes tab, it shows I have one RAID 5 volume with 3 disks...
You only have 3 of your 4 disks installed. That's why it is showing degraded. If the disk you removed is faulty you'd need to add a new good disk. Until a replacement disk is added and the resync completes your volume will remain degraded and very vulnerable to any disk failing.
Is your backup up to date? If not, you may wish to update that as your next step.
It'd be good to look in mdstat.log and volume.log (both are in the log zip).
Look for any indication that one of your disks is marked as "spare". Also confirm that they both show 3 disks in the array, and not 4.
>Look for any indication that one of your disks is marked as "spare". Also confirm that they both show 3 disks in the array, and not 4.
mdstat.log says that for /dev/md/0 and /dev/md/data-0, I have...
State : clean, degraded
Active Devices : 3
Working Devices : 3
Failed Devices : 0
Spare Devices : 0
For /dev/md/1, it was the same except the state was just clean.
volume.log repeatedly showed 3 devices (sda, sdb, sdc) and occasionally said some things were degraded.
Should I attach some logs?
I suggest PMing mdgm with a link to this thread, and ask him if he can analyze your logs.
If he agrees, then email the logs as instructed here: https://kb.netgear.com/21543/How-do-I-send-all-logs-to-ReadyNAS-Community-moderators?cid=wmt_netgear_organic
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