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Re: [linux-lvm] mounting ext3 snapshot occasionaly fails



On Tue, 2002-12-03 at 07:44, Patrick Caulfield wrote:
> On Tue, Dec 03, 2002 at 12:35:09PM +0000, Tomaz Beltram wrote:
> > Hi,
> > 
> > I have similar problems as described in this mailing list some months ago, 
> > regarding mounting snapshots of journaled file systems.
> > 
> > Mounting the snapshot fails and dmesg shows:
> > EXT3-fs: INFO: recovery required on readonly filesystem.
> > EXT3-fs: write access unavailable, cannot proceed.
> > 
> > I have observed that the failure is more frequent with longer delays 
> > between snapshot creation and mount time.
> > 
> > The problem was solved with the VFS-lock patch for 2.4.18 kernel. But I am 
> > using LVM 1.0.5 and 2.4.19-SuSE kernel (64GB-SMP). As I understand, it 
> > should already have the VFS-lock patch applied. If not, where can I find 
> > one?
> 
> I don't know whether the SuSE kernel has the VFS lock patch applied or not - if
> not then one for 2.4.19 is available in the LVM 1.0.6 source package.
> 
> The patch is agains the Linus kernel so whether it will apply to the SuSE
> kernel is something you'll have to find out for yourself I'm afraid !

The suse kernel already has the patch, so there might be a timing
problem in the ext3 support.

-chris





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