Mike La Spina wrote:
Hi, In addition to the possibilities already shared I see a serious potential
disk controller fault.
Hi Mike,
I thought that too, but subsequently we have replaced all the drives that made
up the data pool and built a new pool (raidz2 this time, single top-level vdev).
I have not seen a return of the problems that we had with the old drives.
The server had been in use for about 3 months when this happened, and the pool
had not been scrubbed (terrible oversight on my part). Since the host was a
backup server, the bulk of the data written was rarely, if ever, read again. In
retrospect this seems like a classic case of latent corruption going undetected
until it's too late.
That said, when I got the new drives I also ordered a spare controller. :)
Cheers,
Eric
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