[linux-lvm] Re: Unable to get XFS, ext3, reiserfs & LVM to coexist happily

[Adrian Head]

On Fri, 11 Jan 2002 06:12, Andreas Dilger wrote:
>
> Well, given that the snapshot is now broken and LVM is refusing I/O on it,
> what do you expect the filesystem to do?  This is what LVM _intends_ to
> happen, because the snapshot can no longer hold all of the data to keep
> it consistent.
>
> The ext3 error is reporting that it tried to read the directory (root = #2)
> and it got nothing back.  The reason you see some files and not others is
> because those blocks happen to still be in the cache, and it does not go
> to LVM to try and re-read them.  Eventually, as the memory is needed for
> other things, you will no longer be able to read anything.
>
> I suppose it would be possible to have LVM do an "unmount" of any fs
> using a bad snapshot device from within the kernel, but whether people
> actually want that to happen is another question entirely.

If this is what is considered normal operation then everything is fine.  
Thats why I decided to ask - to find out  :-).