Re: [zfs-discuss] Kernel panic on zpool import. 200G of data inaccessible!

[Hung-Sheng Tsao (Lao Tsao 老曹) Ph.D.]

On 8/15/2011 11:25 AM, Stu Whitefish wrote:

Hi. Thanks I have tried this on update 8 and Sol 11 Express.

The import always results in a kernel panic as shown in the picture.

I did not try an alternate mountpoint though. Would it make that much 
difference?

try it

----- Original Message -----

From: ""Hung-Sheng Tsao (Lao Tsao 老曹) Ph.D.""<laot...@gmail.com>
To: zfs-discuss@opensolaris.org
Cc:
Sent: Monday, August 15, 2011 3:06:20 PM
Subject: Re: [zfs-discuss] Kernel panic on zpool import. 200G of data 
inaccessible!

may be try the following
1)boot s10u8 cd into single user mode (when boot cdrom, choose Solaris
then choose single user mode(6))
2)when ask to mount rpool just say no
3)mkdir /tmp/mnt1 /tmp/mnt2
4)zpool  import -f -R /tmp/mnt1 tank
5)zpool import -f -R /tmp/mnt2 rpool


On 8/15/2011 9:12 AM, Stu Whitefish wrote:

  On Thu, Aug 4, 2011 at 2:47 PM, Stuart James Whitefish
  <swhitef...@yahoo.com>   wrote:

    # zpool import -f tank

   http://imageshack.us/photo/my-images/13/zfsimportfail.jpg/

  I encourage you to open a support case and ask for an escalation on CR

7056738.

-- Mike Gerdts

  Hi Mike,

  Unfortunately I don't have a support contract. I've been trying to

set up a development system on Solaris and learn it.

  Until this happened, I was pretty happy with it. Even so, I don't have

supported hardware so I couldn't buy a contract

  until I bought another machine and I really have enough machines so I

cannot justify the expense right now. And I

  refuse to believe Oracle would hold people hostage in a situation like

this, but I do believe they could generate a lot of

  goodwill by fixing this for me and whoever else it happened to and telling

us what level of Solaris 10 this is fixed at so

  this doesn't continue happening. It's a pretty serious failure and

I'm not the only one who it happened to.

  It's incredible but in all the years I have been using computers I

don't ever recall losing data due to a filesystem or OS issue.

  That includes DOS, Windows, Linux, etc.

  I cannot believe ZFS on Intel is so fragile that people lose hundreds of

gigs of data and that's just the way it is. There

  must be a way to recover this data and some advice on preventing it from

happening again.

  Thanks,
  Jim
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