Re: [zfs-discuss] lost zpool when server restarted.

2008-05-04 Thread Krzys
Because this system was in production I had to fairly quickly recover, so I was unable to play much more with it we had to destroy it and recreate new pool and then recover data from tapes. Its a mistery as to why in the middle of a night it rebooted, we could not figure this out and why pool h

Re: [zfs-discuss] lost zpool when server restarted.

2008-05-04 Thread Victor Latushkin
Jeff Bonwick wrote: >> Looking at the txg numbers, it's clear that labels on to devices that >> are unavailable now may be stale: > > Actually, they look OK. The txg values in the label indicate the > last txg in which the pool configuration changed for devices in that > top-level vdev (e.g. mirr

Re: [zfs-discuss] lost zpool when server restarted.

2008-05-04 Thread Jeff Bonwick
> Looking at the txg numbers, it's clear that labels on to devices that > are unavailable now may be stale: Actually, they look OK. The txg values in the label indicate the last txg in which the pool configuration changed for devices in that top-level vdev (e.g. mirror or raid-z group), not the l

Re: [zfs-discuss] lost zpool when server restarted.

2008-05-04 Thread Jeff Bonwick
It's OK that you're missing labels 2 and 3 -- there are four copies precisely so that you can afford to lose a few. Labels 2 and 3 are at the end of the disk. The fact that only they are missing makes me wonder if someone resized the LUNs. Growing them would be OK, but shrinking them would indee

Re: [zfs-discuss] lost zpool when server restarted.

2008-05-03 Thread Victor Latushkin
Looking at the txg numbers, it's clear that labels on to devices that are unavailable now may be stale: Krzys wrote: > When I do zdb on emcpower3a which seems to be ok from zpool perspective I get > the following output: > bash-3.00# zdb -lv /dev/dsk/emcpower3a > -

[zfs-discuss] lost zpool when server restarted.

2008-04-29 Thread Krzys
I have a problem on one of my systems with zfs. I used to have zpool created with 3 luns on SAN. I did not have to put any raid or anything on it since it was already using raid on SAN. Anyway server rebooted and I cannot zee my pools. When I do try to import it it does fail. I am using EMC