On 12/23/2011 06:15 PM, Chris Mason wrote:
On Fri, Dec 23, 2011 at 09:37:28AM +0000, Evan LeCompte wrote:
I'm having the very same issue as you. I've tried all the latest btrfs tools,
btrfsck, btrfs-zero-log, restore, find-root etc etc.
All to no avail. only err output is always
"" btrfs_find_last_root: Assertion `!(path->slots[0] == 0)' failed. ""
This is a very cryptic error that doesn't tell me anything. and it seems to be
the only error that is ever thrown when transaction id's get out of sync.
Is there ANY way to even recover ANY files at all from these btrfs filesystems
that lose transid sync? mine occurred simply from a loose sata cable falling out
of one of my drives while the system was running.
This is extremely frustrating, but I guess I have no one to blame but myself. I
do have a backup but its about a month old (my cron backup script died for some
reason and I didn't notice). So I'm faced with losing a months worth of work :(
Please help us, anyone!
Which kernel are you running? If you're on a 3.2 kernel or you have a
recent pull of my git tree, you can try mount -o recovery.
My guess is that your machine went down pretty quickly after the loose
sata cable fell out? In that case mount -o recovery should work.
Otherwise we can work through the copy out recovery tools.
-chris
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I'm running on a ubuntu 11.10 livecd with kernel 3.0.0
Downloaded your latest git tree but
mount -o recovery failed
Is there anythng else I can do? I suppose I could try and build a livecd
with kernel 3.2 on it but thats pretty damn new so I'd have
to engineer one from scratch or have another linux installation somewhere...
--
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Evan LeCompte
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