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ReadyNAS reports dead drive - replacement shows the same
I received notification that one of my Seagate Constellation ES.2 (i.e. designed for NAS applications) drives had failed. I managed to find an exact replacement and it arrived today. However, once I installed the replacement drive, it still shows as dead. A reboot did not change that status. Now, it's possible that the replacement is a dud, but these drives are very robust (I have zero errors on all four drives in over 50,000 hours of operation) and I think it's not that likely.
So, could this "dead drive" error actually be a hardware fault with the chassis?
I'm running the latest firmware (4.2.31) with RAID-X (4 drives of 3 TB each). Hard drives are Seagate ST3300650NS.
Thanks all.
It is possible that the SATA port for that bay has failed.
I suggest testing the replacement disk with Seatools (and perhaps also test the original disk while you are at it).
Also, you could try powering down the NAS and removing the power cord for a bit (say 15 minutes) - in order to clear any state maintained by the bios. Then remove all the disks (labeling by slot), and try a fresh factory install using the replacement disk - putting it in one of the known working bays. After you verify the install, power down the NAS and move the disk to the failed bay, and see if the NAS boots properly.
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It is possible that the SATA port for that bay has failed.
I suggest testing the replacement disk with Seatools (and perhaps also test the original disk while you are at it).
Also, you could try powering down the NAS and removing the power cord for a bit (say 15 minutes) - in order to clear any state maintained by the bios. Then remove all the disks (labeling by slot), and try a fresh factory install using the replacement disk - putting it in one of the known working bays. After you verify the install, power down the NAS and move the disk to the failed bay, and see if the NAS boots properly.
Thanks Stephen. I tried option #2 as I don't have any reasonably easy way to connect the drives to my desktop in order to use Seatools. I used an old drive installed in slot 1 (known good), did a factory reset and it came up successfully. After powering down, I moved it to slot 3 (where the disk failure occurred) and it successfully booted again. The SATA port thus appears to be fine and the likely suspect is the replacement drive.
Last question: Since the ReadyNAS has been reset, is there any procedure for re-installing my old drives (other than ensuring they go into their original slots)? If re-installed, will it boot up as before the most recent reset? I'd hate to put a foot wrong and lose the still good data on the three remaining drives.
Really appreciate your help.
Since the OS is installed on the drives, you need only put the drives back in with the power off and then power on.
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