[OpenIndiana-discuss] Resilver restarting on second dead drive?

[Roy Sigurd Karlsbakk]

> In my experience it's often the resilvering process that triggers the
> failure of the second drive -- and this is an issue with RAID in
> general,
> not just with ZFS. The reason is you're suddenly forcing a read of all
> the
> the data on all the remaining drives, and this can uncover latent
> failures.
> It's also not that uncommon for a hotspare to turn out to be bad --
> after
> all, it's been spinning just as long as the rest of the disks.
> 
> This is, incidentally, why I don't run single-parity RAID anymore.
> That
> and I like to stay in bed at night. ;)

This is double parity, double failure, and scrub has been run every month or so for over a year. Still, the problem persists, the resilver was restarted when the second drive died, which is rather a waste of time in regard to the initial resilver which was almost finished.

Vennlige hilsener / Best regards

roy
--
Roy Sigurd Karlsbakk
(+47) 97542685
roy at karlsbakk.net
http://blogg.karlsbakk.net/
--
I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av idiomer med fremmed opprinnelse. I de fleste tilfeller eksisterer adekvate og relevante synonymer på norsk.