[indiana-discuss] [caiman-discuss] liveCD could not work as rescue CD?

[Jason Zhao]

I think the "zpool import/export" will change the booting up information 
which results in the panic.

Thanks
Jason
Jason Zhao wrote:
> Hi,
>
> Recently I installed a indiana RC1 to hard disk, then I tried to boot up
> from liveCD(RC1) in order to change something in hard disk (i.e., the
> live cd works as rescue cd). I did a "zpool import" and "zpool export",
> but I found the OS previously installed *panic*.
>
> Here is my steps:
> 1. initial install indiana RC1
> 2. boot up from hard disk, and it works OK
> 3. boot up from live CD again.And do the operations
> ###############################################
> -bash-3.2# zpool import rpool
> cannot import 'rpool': pool may be in use from other system
> use '-f' to import anyway
> -bash-3.2# zpool import -f rpool
> -bash-3.2# zpool list
> NAME SIZE USED AVAIL CAP HEALTH ALTROOT
> rpool 35G 2.61G 32.4G 7% ONLINE -
> -bash-3.2# zfs list
> NAME USED AVAIL REFER MOUNTPOINT
> rpool 2.61G 31.8G 56.5K /rpool
> rpool at install 19K - 55.5K -
> rpool/ROOT 2.61G 31.8G 18K /rpool/ROOT
> rpool/ROOT at install 0 - 18K -
> rpool/ROOT/opensolaris 3.38M 31.8G 2.53G legacy
> rpool/ROOT/opensolaris/opt 0 31.8G 4.59M /opt
> rpool/export 102K 31.8G 67K /export
> rpool/export at install 17K - 19K -
> rpool/export/home 18K 31.8G 18K /export/home
> rpool/export/home at install 0 - 18K -
> -bash-3.2# ls
> -bash-3.2# zpool export rpool
> -bash-3.2# zfs list
> no datasets available
> -bash-3.2# zpool list
> no pools available
> ###############################################
>
> 4. Then I reboot from previously installed OS, but it is panic.
> Here is what is displayed:
> ###############################################
> pani[cpu0]/thread=fec1dc60: cannot mount root path /ramdisk:a
>
> fec3652c genunix:rootconf+fc (c0f040, 1, fec1d3d0)
> fec36550 genunix:vfs_mountroot+54 (fe800010, fec32350,)
> fec36564 genunix:main+b4()
>
> panic: entering debugger (no dump device, continue to reboot)
> Loaded modules: [ scsi_vhci uppc zfs specfs pcplusmp random cpu.generic ]
> kmdb: target stopped at:
> kmdb_enter+0xa: pushl %eax
> ###############################################
>
> Thanks
> Jason
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>