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Forum Discussion
Help with how to replace a failing disc
My ReadyNAS has been running for a long time now with 4x 2TB drives in an X Raid configuration. I am getting warning messages which indicate that one of the drives could be about to fail. Is re...
Can you tell us what the errors are?
daveproctor wrote:
Is replacing this as simple as taking out the old drive, installing the new one and letting the ReadyNAS set up the new drive?
That is the procedure (hot-removal and then hot-insertion). But back up your data (at least the most critical) before you insert the replacement. Sometimes drives fail in rapid succession, and the resync will stress the remaining drives.
Sorry for not picking up the replies here - I am getting this message
Reallocated sector count has increased in the last day. Disk 4: Previous count: 312 Current count: 314 Growing SMART errors indicate a disk that may fail soon. If the errors continue to increase, you should be prepared to replace the disk.
[Fri Oct 2 04:00:07 WEST 2015]
Also this on Smart+ information:
| SMART Attribute | |
| Raw Read Error Rate | 0 |
| Spin Up Time | 983 |
| Start Stop Count | 105 |
| Reallocated Sector Count | 314 |
| Seek Error Rate | 0 |
| Power On Hours | 39928 |
| Spin Retry Count | 0 |
| Calibration Retry Count | 0 |
| Power Cycle Count | 103 |
| Power-Off Retract Count | 102 |
| Load Cycle Count | 2068382 |
| Temperature Celsius | 36 |
| Reallocated Event Count | 249 |
| Current Pending Sector | 935 |
| Offline Uncorrectable | 340 |
| UDMA CRC Error Count | 0 |
| Multi Zone Error Rate | 4681 |
| ATA Error Count | 0 |
| Extended Attribute | |
| Hot-add events | 0 |
| Hot-remove events | 0 |
| Lp stat events | 39 |
| Power glitches | 0 |
| Hard disk resets | 0 |
| Retries | 0 |
| Repaired sectors | 0 |
daveproctor wrote:
Sorry for not picking up the replies here - I am getting this message
Reallocated sector count has increased in the last day. Disk 4: Previous count: 312 Current count: 314 Growing SMART errors indicate a disk that may fail soon. If the errors continue to increase, you should be prepared to replace the disk.
[Fri Oct 2 04:00:07 WEST 2015]I'd replace this disk.
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