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Disk test of RAID-1 takes more than 30 hours - something wrong?
Hi I am in the process of upgrading my RAID1-disk pair on RN314 system. Before change one of the disks I do "Disk test" from the NAS. It takes very long time and makes me a bit worried, although...
I just want to repor that the final resync of "empty" last half of the 8TB was completed without any problem. All disks are ok. Took 26 hours the last part.
The somewhat long time is partly due to regular but small time machine backup from one computer that I did not turn that off during resync. That backup was however done to another disk on the same NAS but took likely some CPU resources.
Thanks for your helpful support!
janpeter1 wrote:
I am in the process of upgrading my RAID1-disk pair on RN314 system. Before change one of the disks I do "Disk test" from the NAS.It takes very long time and makes me a bit worried, although from the data I see and understand the RAID-system is found healthy so far. I have now run the disk test for about 30 hours. During the disk test I put the fan on "cool" and keep the CPU temp < 50C.How long should I let the disk test go on?
I'd let it complete, since it does sound like there could be an issue, and if a disk is causing the problem then it should be replaced first.
janpeter1 wrote:
How long should I let the disk test go on?Something I can check to understand that the test disk process is running well?
You could check the log page (chosing both disk and volume as filters).
If ssh is enabled, you could also try smartctl -x /dev/sda and smartctl -x /dev/sdb
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