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Forum Discussion
What does SMART ATA error mean exactly?
Hi, so NAS started sending me mails about one of my HDs failing, at every start. It's a Seagate Barracuda 7200.14 (I got two identical in mirror mode) which is also in compatibility list (http://k...
The v2 is supposed to handle disks out of order ok (note I don't have one). Make sure you swap them with the NAS powered down, or you will wipe your data.
You can also double-check the SMART stats on a PC (you might not see ATA errors, but you will see the bad sector report). If you have scratch disk(s) you can also use them to test the controller, keeping your real disks safely intact. As noted above, hot-inserts will wipe the drives, so be careful on that.
The v2 boot menu includes an off-line full disk test (described here: http://www.downloads.netgear.com/files/ ... Mar-12.pdf). If you use the scratch disk idea, that should also exercise the controller. I'd avoid running the diag on the disk which has known bad sectors right now.
BTW, if you are in the US, Seagate has an "advanced replacement" option on the RMA - where they send you the replacement first, with a return shipping label for the old disk. The price is quite reasonable (about the same as I would have paid for shipping anyway). You get the replacement much quicker. That's one way to get a scratch disk (since you have a bit of time before you need to send the defective disk back).
The RMA might not be on the HCL, so you might also consider buying a new drive, and using the RMA somewhere else - perhaps as an emergency spare.
You can also double-check the SMART stats on a PC (you might not see ATA errors, but you will see the bad sector report). If you have scratch disk(s) you can also use them to test the controller, keeping your real disks safely intact. As noted above, hot-inserts will wipe the drives, so be careful on that.
The v2 boot menu includes an off-line full disk test (described here: http://www.downloads.netgear.com/files/ ... Mar-12.pdf). If you use the scratch disk idea, that should also exercise the controller. I'd avoid running the diag on the disk which has known bad sectors right now.
BTW, if you are in the US, Seagate has an "advanced replacement" option on the RMA - where they send you the replacement first, with a return shipping label for the old disk. The price is quite reasonable (about the same as I would have paid for shipping anyway). You get the replacement much quicker. That's one way to get a scratch disk (since you have a bit of time before you need to send the defective disk back).
The RMA might not be on the HCL, so you might also consider buying a new drive, and using the RMA somewhere else - perhaps as an emergency spare.
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