Re: agi unlinked bucket

[Christian Kujau <lists@xxxxxxxxxxxxxxx>]

On Mon, 25 Aug 2008, Dave Chinner wrote:
> Ok, so if you do a 'ls -i /' do you see an inode numbered 20208090?
> i.e. is it the unlinked bucket that is incorrect, or the root
> directory.

I see inode 128 (the mountpoint), but I don't see inode 20208090 (I've 
used find).

> You are not using barriers.

I think, I can't, as I am using XFS on top of dm-crypt. And barriers are 
not supported for dm, right?

> Are you using write caching?

Just check with hdparm on the underlying hdb...yes, write caching is 
active.

> The problems with filesystem corruption on powerloss when using 
> volatile write caching have traditionally shown up in directory
> corruptions...

Hm, I see. Still strange, that it does not complain during mount(8). But I 
guess things like these are just not checked during mount.


Thanks,
Christian.
--
BOFH excuse #57:

Groundskeepers stole the root password