On 7/6/2010 10:37 AM, Victor Latushkin wrote:

On Jul 6, 2010, at 6:30 PM, Brian Kolaci wrote:

Well, I see no takers or even a hint...

I've been playing with zdb to try to examine the pool, but I get:

# zdb -b pool4_green
zdb: can't open pool4_green: Bad exchange descriptor

# zdb -d pool4_green
zdb: can't open pool4_green: Bad exchange descriptor

So I'm not sure how to debug using zdb.  Is there something better or something 
else I should be looking at?
The disks are all there, all online.  How can I at least rollback to the last 
consistent bit of data on there?
Or is all hope lost and I lost over 600GB of data?

The worst part is that there are no errors in the logs and it just 
"disappeared" without a trace.
The only logs are from subsequent reboots where it says a ZFS pool failed to 
open.

It does not give me a warm&  fuzzy about using ZFS as I've relied on it heavily 
in the past 5 years.

Any advice would be well appreciated...

You can download build 134 LiveCD boot off it and try 'zpool import -nfF 
pool4_green' for a start.

regards
victor



Thank you Victor!
That did it.  It recovered the pool and I lost only 30 seconds of transactions 
only.
This helps alot.  There was actually 2.5TB of data, not just 600GB.

I can't wait until the -F (recovery option) makes it back into Solaris 10 (or 
will it?).
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