I just have the say this, and I don't mean it in a bad way... If you
really care about your data why then use usb drives with lose cables and
(apparently no backup)....
USB connected drives for data backup are okay, for playing around and
getting to know ZFS seems also okay. Using it for online data that you
care about and expecting it to be reliable...its just not the right
technology for that imho.
..Remco
On 2/13/10 11:23 AM, Andy Stenger wrote:
I had a very similar problem. 8 external USB drives running
OpenSolaris native. When I moved the machine into a different room and
powered it back up (there were a couple of reboots and a couple of
broken usb cables and drive shut downs in between), I got the same
error. Loosing that much data is definitely a shock.
I m running zraid2 and I would have assumed that a 2 level redundancy
should fine to toss a lot of roughness at the pool.
After panicking a little, stressing my family out, and some playing
with zdb that lead nowhere, I did a
zpool export mypool
zpool import mypool
It complained about being unable to mount because the mount point was
not empty, so I did
umount /mypool/mypool
zfs mount mypool/mypool
zfs status mypool
and to my relieving surprise it seems all fine.
ls /mypool/mypool
does show data.
Scrub is running right now to be on the safe side.
Thought that may help some folks out there.
Cheers!
Andy
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