[linux-lvm] crash during metadata operations

[Joe Thornber]

On Wed, May 07, 2003 at 12:35:05AM -0700, Kai-Min Sung wrote:
> I can see a way of guaranteeing atomicity by
> maintaining two VGDA sections and including a timestamp at the end of
> each write. Does LVM do something like this?

The format 2 metadata does indeed use a scheme like this.  If you use
format1 metadata with LVM2 (i.e. just upgrade your tools from LVM1
without subsequently upgrading your metadata), you will not have this
crucial protection.

- Joe