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Changing disk has not stopped ATA error count
On my ReadyNAS NV+ [X-RAID] the error log reads the following entries:
Sun Jan 22 07:00:13 CET 2012 - ATA error count has increased in the last day. Disk 1: Previous count: 146 Current count: 148 Growing SMART errors indicate a disk that may fail soon. If the errors continue to increase, you should be prepared to replace the disk.
And
Sun Jan 29 21:00:06 CET 2012 - ATA error count has increased in the last day. Disk 1: Previous count: 152 Current count: 154 Growing SMART errors indicate a disk that may fail soon. If the errors continue to increase, you should be prepared to replace the disk.
Only thing is I changed disk 1 on Jan. 22 ?!? (Sun Jan 22 20:59:31 CET 2012 Disk add event occurred on SATA channel 1.)
This is a serious notification that I would very much like to trust. I am however finding it diffcult when it seems to aggregate errors across disks.
Please advice
Sun Jan 22 07:00:13 CET 2012 - ATA error count has increased in the last day. Disk 1: Previous count: 146 Current count: 148 Growing SMART errors indicate a disk that may fail soon. If the errors continue to increase, you should be prepared to replace the disk.
And
Sun Jan 29 21:00:06 CET 2012 - ATA error count has increased in the last day. Disk 1: Previous count: 152 Current count: 154 Growing SMART errors indicate a disk that may fail soon. If the errors continue to increase, you should be prepared to replace the disk.
Only thing is I changed disk 1 on Jan. 22 ?!? (Sun Jan 22 20:59:31 CET 2012 Disk add event occurred on SATA channel 1.)
This is a serious notification that I would very much like to trust. I am however finding it diffcult when it seems to aggregate errors across disks.
Please advice
5 Replies
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- most likely the disk errors occured before, or during your disk swap. Ie they were errors before you switch the new disk.
The next notification should be entirely for the new disk.
Also, you can check the SMART errors directly in frontview > status > health > smart+ button
it is also possible that the new disk has errors as well. - Thanks for the fast reply.
However as you can see from the dates the latest error message came 5 days after I changed the disk and there was a message between does hence the missing error counts in "Previous count:".
I've checked and cannot seem to see any issues with the disk under "Health" - see screenshot here http://cloud.carsten.dk/Dkvv
Unless the ReadyNAS stores the error count and doesn't reset the count when a new disk is inserted (which would be an error I think) it's next to impossible that the last error count is identical across drives :) - How many disks are in the NAS?
You might also want to make note of the serial numbers from the SMART reports, shut down the unit and check to make sure the physical discs match. Then reboot.
Disk1 should be the bay furthest to the left. - 4 disks and I'm running RAIDiator 4.1.9-T2 [1.00a043]
I'm not seeing any serial numbers in the reports :( neither the email nor the log. Where should I look?
And yes the disk I changed was the 1 furthest to the left - I even pushed the "Locate" button.
I'll try to reboot and do a volume scan. - When you go into Frontview, click on Status and then on Health. When that window opens, click on the SMART+ button and it gives you the report. At the top of the report, it will display the serial number of the drive.
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