request for changes to LVM naming for FC7

[John Reiser]

> My particular scenario is that I usually try to run the previous FC and the
> new FC in parallel.

Be careful, SELinux is incompatible poison from release to release.
In theory, it may be impossible to mount a filesystem read-write across
differing releases without causing disaster.  Turn off SELinux completely,
or do the cross-mounts read-only, or be prepared to suffer.  Learn about
/.autorelabel plus booting with "enforcing=0 single", and be prepared
to wait half an hour every time you boot a different system.

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