> > Consider a server [with] three drives, A, B, and C, in which A and B are > > mirrored and > > C is not. Pull out A, B, and C, and re-insert them as A, C, and B. If > > B is slow to come up for some reason, ZFS will see "C" in place of > > "B", and happily reformat it into a mirror of "A". (Or am I reading this > > incorrectly?) > Again, thanks to devids, the autoreplace code would not kick in here at > all. You would end up with an identical pool.
Is this because C would already have a devid? If I insert an unlabeled disk, what happens? What if B takes five minutes to spin up? If it never does? > > I hope that there's a way to disable the periodic probing of hot > > spares. Spinning these drives up often might be highly annoying in > > some environments (though useful in others, since it could also verify > > that the disk is responding normally). > > Why is this "highly annoying"? The frequency would be rather low, would > have no effect on performance, and you're gaining the ability to know > whether your hot spares aare actually working. Well, in my home office it would be highly annoying if I got to hear spin-up/spin-down sounds every half hour. The ability to tune the time interval would probably make this OK, though. I could live with once a day or once a week. Anton This message posted from opensolaris.org _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
