After a Power Outage last week my server wouldn't turn on anymore (yes, UPS ...). I tracked it down to a motherboard failure and ordered a new MB, CPU & Memory ...
After swapping it all out the system failed to boot with: NOTICE: error reading device label NOTICE: *************************************************** * This device is not bootable! * * It is either offlined or detached or faulted. * * Please try to boot from a different device. * *************************************************** NOTICE: spa_import_rootpool: error 19 Cannot mount root on /p...@0,0/pci1458,b...@8/d...@0,0:a fstype zfs panic[cpu0]/thread=fffffffffbc2cfe0: vfs_mountroot: cannot mount root After digging around in the dark for a while, I downloaded a LiveCD and looked at my zpool from a running OS. Doh! The host identity had - of course - changed with the new motherboard and it no longer recognised the zpool as its own. 'zpool import -f rpool' to take ownership, reboot and it all worked no problem (which was amazing in itself as I had switched from AMD to Intel ...). Any chance this bit of info could be added to http://www.solarisinternals.com/wiki/index.php/ZFS_Troubleshooting_Guide (to save someone else some time when trying to recover a host into the wee hours of the morning!)? On the other hand the NOTICE could also be improved upon to say that the pool cannot be imported because it is owned by someone else (it was not offline, detached or faulted). Should I raise this as a bug? thanks! - mo
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