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RE: Share suddenly empty

To: "Seth Mos" <knuffie@xxxxxxxxx>, <sandeen@xxxxxxx>
Subject: RE: Share suddenly empty
From: "Brian Gulizia" <brian.gulizia@xxxxxxxxxxxxxx>
Date: Fri, 25 Oct 2002 16:16:23 -0400
Cc: <linux-xfs@xxxxxxxxxxx>
Sender: linux-xfs-bounce@xxxxxxxxxxx
Thread-index: AcJ6208cqmks0UPRRAa844JJl1Cu4QBh3AUw
Thread-topic: Share suddenly empty
Wonderful.

xfs_repair cant/wont finish due to the piece of crap array that it is trying to 
repair...which is an Arena Indy 2400.  It gets all the way to phase 5 then a 
message
flashes on the screen of the raid array that says "cmd buf empty!" which I'm 
told by the
manufacturer means that the buffer is full and cant/wont accept any more 
commands.

I don't know if this is because it did so much before phase 5 or if it is just 
phase 5 that does it.
I don't suppose there is some way to run the xfs_repair one phase at a time?

Incidently, I ran a 

# dd if=/dev/sdb bs=512 count=1 |hexdump

as mentioned in another post and everything seems to look fine there.


-----Original Message-----
From: Seth Mos [mailto:knuffie@xxxxxxxxx]
Sent: Wednesday, October 23, 2002 5:30 PM
To: Brian Gulizia
Cc: linux-xfs@xxxxxxxxxxx
Subject: RE: Share suddenly empty


On Wed, 23 Oct 2002, Brian Gulizia wrote:

> I hadnt done anything to it.  All I did was reboot, I got the "not a valid 
> block
> device" when i tried to mout it, rebooted again and was able to mount it but 
> it has
> nothing on it when I do an ls.  You'll have to excuse my newbieness, but when 
> you
> say let the filesystem do recovery, what do you mean?  I didnt see anything 
> about the
> kernel doing any recovering.

The recovery part is something the filesystem does after a "unclean
unmount" eg. poweroff. When you mount the filesystem it would be done
automatically. If recovery was required there will be a message during the
mount of the filesystem.

And if I am right there should at least be a message in you
/var/log/messages (or equivalent) stating that there was a filesystem
error. If not from the just attempted mount there should at least be one
from when the files first "dissappeard".

Did you already repair the filesystem per chance?

Check with mount if it is unmounted.
xfs_repair -n /dev/sdb? or xfs_check /dev/sdb?  and check for errors or
other problems it finds. Mail that back to the list (zipped please).

If there is nothing serious in there you could attempt a repair of the
filesystem if you are couragesous ;-)

I'm going to bed here, maybe someone from america can pick this up *hint*
See you in 8 hours.

Cheers
Seth




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