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Re: [reiserfs-list] Re: [linux-lvm] mounting reiserfs snapshotfails



On Friday, April 13, 2001 06:23:28 PM -0600 Andreas Dilger
<adilger turbolinux com> wrote:

> Ed Tomlinson writes:
>> Using debian sid, 2.4.3-ac5, lvm 0.91 beta7, with the vfs locking
>> patch applied I get:
>> 
>> oscar# mount /dev/lv/snap /snap -t reiserfs -oro
>> mount: wrong fs type, bad option, bad superblock on /dev/lv/snap,
>>        or too many mounted file systems
>> 
>> When trying to mount the snap shot.  It was created with: 
>> lvcreate -L 1G -s -n snap /dev/lv/root /dev/hdg1
>> without problems
> 
> Are you sure that the VFS patch is applied, and that the LVM and
> reiserfs code was compiled with "enable VFS patch" (whatever it is
> called) enabled?  That has been a source of problems in the past.
> The patch was applied, but you also need to enable it for both the
> reiserfs and LVM code.

That would be a different error, reiserfs would complain that it found a
filesystem, but was unable to mount it because it needed replay and the
device was readonly.  In this case, the snapshot is not a valid FS at all,
even though the source looks fine.

I'll upgrade to the latest LVM and try to reproduce...

-chris



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