We had nearly the same issue with a nexenta ha storage, sas crosscabling + clustermanagement through rsf-1 which ended up in a splitbrain situation where both nodes imported the same pool. 99% of the data has been recovered, but without help from zfs specialists i guess you are lost...
best practice: hire someone Am 25.01.2016 um 21:50 schrieb Youzhong Yang: > Hi all, > > Just wondering if anyone has done similar recovery using txg stuff. > > We have a zpool attached to two hosts physically, ideally at any time > only one host imports this zpool. Due to some operational mistake this > zpool was corrupted when the two hosts tried to have access to it. Here > is the crash stack: > > Jan 25 10:07:17 batfs0346 genunix: [ID 403854 kern.notice] assertion > failed: 0 == dmu_bonus_hold(spa->spa_meta_objset, obj, FTAG, &db), file: > ../../common/fs/zfs/spa.c, line: 1549 > Jan 25 10:07:17 batfs0346 unix: [ID 100000 kern.notice] > Jan 25 10:07:17 batfs0346 genunix: [ID 802836 kern.notice] > ffffff017495c920 fffffffffba6b1f8 () > Jan 25 10:07:17 batfs0346 genunix: [ID 655072 kern.notice] > ffffff017495c9a0 zfs:load_nvlist+e8 () > Jan 25 10:07:17 batfs0346 genunix: [ID 655072 kern.notice] > ffffff017495ca90 zfs:spa_load_impl+10bb () > Jan 25 10:07:17 batfs0346 genunix: [ID 655072 kern.notice] > ffffff017495cb30 zfs:spa_load+14e () > Jan 25 10:07:17 batfs0346 genunix: [ID 655072 kern.notice] > ffffff017495cb80 zfs:spa_tryimport+aa () > Jan 25 10:07:17 batfs0346 genunix: [ID 655072 kern.notice] > ffffff017495cbd0 zfs:zfs_ioc_pool_tryimport+51 () > Jan 25 10:07:17 batfs0346 genunix: [ID 655072 kern.notice] > ffffff017495cc80 zfs:zfsdev_ioctl+4a7 () > Jan 25 10:07:17 batfs0346 genunix: [ID 655072 kern.notice] > ffffff017495ccc0 genunix:cdev_ioctl+39 () > Jan 25 10:07:17 batfs0346 genunix: [ID 655072 kern.notice] > ffffff017495cd10 specfs:spec_ioctl+60 () > Jan 25 10:07:17 batfs0346 genunix: [ID 655072 kern.notice] > ffffff017495cda0 genunix:fop_ioctl+55 () > Jan 25 10:07:17 batfs0346 genunix: [ID 655072 kern.notice] > ffffff017495cec0 genunix:ioctl+9b () > Jan 25 10:07:17 batfs0346 genunix: [ID 655072 kern.notice] > ffffff017495cf10 unix:brand_sys_sysenter+1c9 () > > Is it possible to roll back the zpool to its last known good txg? We > know when the zpool should be in good state. > > Any suggestion would be very much appreciated. We can build a kernel if > needed. > > Thanks, > > - Youzhong > > *smartos-discuss* | Archives > <https://www.listbox.com/member/archive/184463/=now> > <https://www.listbox.com/member/archive/rss/184463/26910370-9cc4a721> | > Modify > <https://www.listbox.com/member/?&;> > Your Subscription [Powered by Listbox] <http://www.listbox.com> > ------------------------------------------- smartos-discuss Archives: https://www.listbox.com/member/archive/184463/=now RSS Feed: https://www.listbox.com/member/archive/rss/184463/25769125-55cfbc00 Modify Your Subscription: https://www.listbox.com/member/?member_id=25769125&id_secret=25769125-7688e9fb Powered by Listbox: http://www.listbox.com
