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Forum Discussion
RR3312 Copying Errors
Hello, We have ReadyNAS 3312 (RR 3312 w/ 12 bay, Firmware: 6.10.3) that has been throwing volume alert message reading: "The volume data encountered an error and was made read-only. It is recomme...
When the OS puts the volume in read-only mode, it is trying to protect the volume from further damage. Because it's read-only, the available space will show as zero, though if it really did fill up, that could be the root cause of the issue.
DO NOT reboot the NAS. It may come back up with a dead volume.
DO NOT attempt to make the volume read/write. It likely won't work, and you'll just be un-doing the protection and risking further damage to the voluime, including possible total loss.
DO do what it told you to do -- backup your files now. And backup your NAS configuration if it'll be painful to re-create. Hopefully, you have most of the files already backed up. Because some files may also now be corrupt, don't destroy your old one if at all possible.
There is something critically wrong with the volume that only destroying it and re-building it is likely going to solve. Netgear paid support may be able to do something, but it's doubtful. But you'll want that backup even before they try. If there is only one volume, a factory default is the best solution. But before you do that, you should also check to see if any of the drives has a problem that's the root cause of the issue you are encountering, and replace any that need it.
- We don't anticipate that the drive filled up, the data being moved over was on the order of GB when it has happened. So far, none of the drives have indicated any errors.How do we determine the root cause of the volume error? We prefer not to proceed with the rebuild until we know the root cause, and can ensure it won't happen again in the future. We do have backups of all the data, but there is so much data involved it takes a month to restore from the backups and validate the accuracy of the restoration. This ReadyNAS is less than a year old, so hopefully we don't have to completely rebuild ever year.Thank you for the response! I greatly appreciate it.
Logs in the downloaded .zip file are a good place to look to see if there is a hard drive that's giving you problems. Unfortunately, even new drives can fail.
I'm assuming that in a use case like yours, you have an UPS that is monitored by the NAS,. so a power interruption during a write operation isn't a possibility.
Hmm. It doesn't look like there are any disk errors recorded. The file repeats the following 12 times as expected (given the Channel and serial number change).
Device: sdd
Controller: 0
Channel: 0
Model: ST16000VN001-2RV103
Serial: ZL20BQB5
Firmware: SC61
Class: SATA
RPM: 7200
Sectors: 31251759104
Pool: data
PoolType: RAID 6
PoolState: 1
PoolHostId: a450594
Health data
ATA Error Count: 0
Reallocated Sectors: 0
Reallocation Events: 0
Spin Retry Count: 0
Command Timeouts: 0
Current Pending Sector Count: 0
Uncorrectable Sector Count: 0
Temperature: 35
Start/Stop Count: 12
Power-On Hours: 6753
Power Cycle Count: 12
Load Cycle Count: 43945Correct, the server is on a UPS that is monitored by the NAS.
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