This last 4TB disk almost finished its rebuild, then the progress indicator went backwards. I waited. It usually takes about 2 days for a rebuild. This time it took closer to three. Then, as before, the NAS box stopped serving files. Rather than restart, I shut it down from the admin interface, waited a few minutes, and pressed the power button. It came up fine this time.
I took the opportunity to upgrade to the latest OS version:
When the system came back up, it invited me to expand teh size of the array, since it was now composed of all 4 TB disks:
I said yes:
ANd confirmed that I really meant it:
The system started a rebuild:
After a while I went back to the screen and the rebuild seemed to have stopped:
I started the expansion procedure again. Then this happened.
I looked at the volume. It looks like a hsrdware fsilure, but the timing is suspicions:
I started a data scrub:
Notice that there is a disconnect between the capacity reported on the above screen and the one reported on the volume manager.
It’s scrubbing now:
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