Panic during boot when mounting ZFS root
clan at wheel.dk
Fri Jul 15 14:18:35 UTC 2016
I would like to have some advice on continued troubleshooting of this.
- System is running 10.1 (or maybe later)
- ZFS on root
- pool name is tank
- Panics when mounting during boot
- Same in single user mode
- I can PXE boot server to memtest - and RAM should be OK (Only 30 min
- I can PXE boot server into "rescue" system which is mfsbsd 10.3
- The server is remote but I can get IP KVM
In the rescue system I can see the pool - and at first glance it looks
root at rescue:~ # zpool import
status: Some supported features are not enabled on the pool.
action: The pool can be imported using its name or numeric identifier,
some features will not be available without an explicit 'zpool
I try to import it - but it fails:
root at rescue:~ # zpool import -o altroot=/mnt tank
cannot import 'tank': pool may be in use from other system
use '-f' to import anyway
Then I add the -f switch - and the server panics!
root at rescue:~ # zpool import -f -o altroot=/mnt tank
I think it writes a line or two on the console but it reboots too quickly
for me to see what it is. So no error messages to search on :-/
My intention was to try to run a "zpool scrub tank" but I need to do the
This is at the edge of my ZFS troubeshooting knowledge. Does anyone have
any advice on how to proceed?
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