Hi, I'm a bit at the end of my tether.
We had a ZFS panic last night on a machine that hosts all my mail and web; it
was rebooted and it now panics mounting the ZFS root filesystem.
The call stack info is:
solaris assert: ss == NULL, file:
/usr/src/sys/modules/zfs/../../cddl/contrib/opensource/uts/common/fs/zfs/space_map.c,
line: 109
kdb_backtrace
panic
space_map_add
space_map_load
metaslab_activate
metaslab_allocate
zio_dva_allocate
zio_execute
taskqueue_run_locked
taskqueue_thread_loop
fork_exit
fork_trampoline
I can boot from the live DVD filesystem, but I can only mount the pool
read-only without getting the same kernel panic. This is with FreeBSD 9.0.
The machine is remote, and I don't have access other than through a DRAC
console port (so I can't cut and paste; sorry for the poor stack trace).
Is anyone here in the position to advice me how I might process to get this
machine mounting and running again in multi-user mode?
Thanks so much.
Joe
p.s. the config, btw, is a ZFS mirror on two ad devices. It's got a ZFS root
file system.
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