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Forum Discussion
HELP!: backup failing on NV+ v1
I am getting ready to replace several old disks in my NV+ v1 running X RAID. I went to backup my data (roughly 350GB total with 3 400GB drives) and the backup has failed several times (frontview beco...
On "Hardware ECC Recovered" http://kb.acronis.com/content/9131
Aside from that, the first drive is developing some issues (reallocated + pending sector is 5), and you have the one raw read error on drive 2. So that is a sign that disk 1 will need replacement soon. I'd probably order two replacement disks.
a) You are better off backing up the system with all drives in place. The redundancy should deal with any new failures.
b) If you have a suspect disk, try to avoid writing new data to the array.
Once you have a fresh backup, then I would first hot-swap the replacement drive for drive 1. I'd set the second replacement aside (after testing with manufacturer diags) for a little while, and see if any more issues develop with the other two disks.
A second strategy is to just get 3 new drives, do a factory default, and rebuild the NAS from scratch. That might give you more peace of mind, but is a bit more expensive.
Search the forums on the drive model before you purchase. There are certainly some models (both WDC and Seagate) that are on the HCL, but which seem to be problematic and best avoided. Based on what I am seeing, I personally am avoiding Seagate drives >= 2 TB, and am buying Western Digital RED drives.
Although this parameter is not considered critical by the most hardware vendors, degradation of this parameter may indicate electromechanical problems of the disk. Regular backup is recommended. If no other (critical) parameters report a problem, hardware replacement is recommended on mission critical systems only.
Aside from that, the first drive is developing some issues (reallocated + pending sector is 5), and you have the one raw read error on drive 2. So that is a sign that disk 1 will need replacement soon. I'd probably order two replacement disks.
a) You are better off backing up the system with all drives in place. The redundancy should deal with any new failures.
b) If you have a suspect disk, try to avoid writing new data to the array.
Once you have a fresh backup, then I would first hot-swap the replacement drive for drive 1. I'd set the second replacement aside (after testing with manufacturer diags) for a little while, and see if any more issues develop with the other two disks.
A second strategy is to just get 3 new drives, do a factory default, and rebuild the NAS from scratch. That might give you more peace of mind, but is a bit more expensive.
Search the forums on the drive model before you purchase. There are certainly some models (both WDC and Seagate) that are on the HCL, but which seem to be problematic and best avoided. Based on what I am seeing, I personally am avoiding Seagate drives >= 2 TB, and am buying Western Digital RED drives.
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