[Linux-cluster] Snapshotting GFS and freezing

[Dirk H. Schulz]

Hi folks,

I found several howtos on the web stating that if you want to snapshot a 
gfs volume (on top of clvm, of course), you have to freeze gfs (using 
gfs_tool) to make that possible.

What comes in mind then is: If I have to freeze the gfs volume anyway, 
do I need a snapshot at all? Can't I copy the contents off the frozen 
gfs volume directly?
Because the basic purpose of a snapshot is to provide files that do not 
change during beeing copied. And I would expect a frozen gfs volume to 
provide exactly that.

Please help in clarification.

Dirk