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At Mon, 19 Jul 2010 09:22:30 -0400,
Stuart D Gathman wrote:
> (LVM lawyers - what are legal chars to
> use?)

There don't seem to be many restrictions.  You can't have '/'s, also
the following strings are forbidden:

    ^snapshot.*
    ^pvmove.*
    .*_mlog.*
    .*_mimage.*

- Joe