In some cases, root logged into the console can still function,
but if not, then you'd need to shutdown the system and run sync.
I can walk you through those steps if you need them.
If you've been tortured long enough, then feel free to upload a
crash dump and let us know.
Thanks,
Cindy
On 12/16/09 12:13, Jack Kielsmeier wrote:
Jack,
We'd like to get a crash dump from this system to
determine the root
cause of the system hang. You can get a crash dump
from a live system
like this:
# savecore -L
dumping to /dev/zvol/dsk/rpool/dump, offset 65536,
content: kernel
0:18 100% done
0% done: 49953 pages dumped, dump succeeded
savecore: System dump time: Wed Dec 16 10:37:51 2009
savecore: Saving compressed system crash dump in
/var/crash/v120-brm-08/vmdump.0
savecore: Decompress the crash dump with
'savecore -vf /var/crash/v120-brm-08/vmdump.0'
It won't impact the running system.
Then, upload the crash dump file by following these
instructions:
http://wikis.sun.com/display/supportfiles/Sun+Support+
Files+-+Help+and+Users+Guide
Let us know when you get it uploaded.
Thanks,
Cindy
On 12/15/09 00:25, Jack Kielsmeier wrote:
On Dec 15, 2009, at 5:50, Jack Kielsmeier
<jac...@netins.net> wrote:
Thanks.
I've decided now to only post when:
1) I have my zfs pool back
or
2) I give up
I should note that there are periods of time
where
I can ping my
server (rarely), but most of the time not. I have
not been able to
ssh into it, and the console is hung (minus the
little blinking
cursor).
I'm going to let this "run" until the end of the
week. If I don't
have my zpool back by then, I'm guessing I never
will.
Don't give up! Let's wait a bit longer and if it
doesn't work we'll
see what can be done.
Regards
Victor
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Ah, thanks. As long as there is stuff to try, I
won't give up. I miss being able to use my server,
but I'll live :)
I should note, that I can live with losing the data
that I had on my pool. While I would prefer
recovering it, I can stand to lose it.
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I'd be glad to do this, but I have a question.
If the dump needs to happen while the system is hanging, how can I run the
dump? :) I cannot ssh in, and my console is completely unresponsive.
Would running the dump help at all when my system is not hung? If so I can hard
reboot the server and run said command.
I could also run the dump when I first start the zpool import. My system does
not hang until stuff is being written to the pool. It takes several hours for
this to happen (last time it was something like 14 hours of reading, and then
mass writes started to happen when looking at iostat, and the freeze always
happens exactly when writes to the disk get very busy). When iostat is
refreshing every 5 seconds, I only get one output that shows writes before it
freezes.
Thanks
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