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Forum Discussion
RN102 ATA Errors (fixed by power cycle?)
Hi all,
I am currently using an RN102 on the current beta. I have two disks set up as two volumes (no RAID)
On the weekend I initiated a backup of files to a portable USB disk in anticip...
A bit of an update on the situation.....
I had several days of things operating normally (ie: no further ATA messages), during which time I ran a long SMART test (smartctl from the command line) which came back all clear. I decided to do another backup to the same USB drive I had previously been using when I saw the errors. Within a few minutes of plugging in the USB drive I started receiving ATA Errors again, and they continued until I removed the drive 1 hour later (to be exact, the last error message was 1 min after the drive had been removed, but that could be related to the polling speed of the error collection/reporting system). So, it appears increasingly likely that the ATA errors are somehow related to the USB drive.
Some interesting things to note:
1. The problem only occurs with this drive. In the last few days I performed a backup to a different model drive without issue.
2. This is the second USB drive of this model (Seagate Expansion portable 3TB) I have owned. The first drive did not have these errors, although it has been some months since I have plugged it into the unit as it is normally located offsite.
3. The only other change in the USB realm is that I recently installed a UPS (Cyberpower) which talks to the ReadyNAS on the other back USB port. I wouldn't imagine this would have a significant power draw, but you never know.
Has anyone else ever had similar issues when using portable USB drives?
Some time ago I think there was a report here that errors related to a USB drive were being mis-reported as being on an internal drive. Since this appears to be specific to a particular USB drive, I think the next step is to test that drive in a Windows PC with Seatools.
If you want to pursue the UPS angle: There won't be any power draw from the UPS. But there often are errors in the NAS on the UPS's USB interface (since the UPS often isn't a "well behaved" USB peripheral). I see a lot of these on my own NAS (which also are connected to Cyberpower). You could try disconnecting the USB cable for a while, and see if there is any change to the ATA reports. The NAS will of course still be protected from short power loss, but you would need to manually shut it down if there is an extended power failure.
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