[linux-lvm] Size of the mirror log?

[malahal at us.ibm.com]

Lupe Christoph [lupe at lupe-christoph.de] wrote:
> Hi!
> 
> I'm unable to find any information on how the size of the mirror log is
> determined. Right now I only have four volumes of 1GB each to test this,
> obviously too little. We will be getting a few 128GB volumes soon, but I
> would rather have a formula than some test results...
> 
> I presume the size will depend on the number of mirror regions, but how
> much log does a region require?

Currently the log size is fixed at 1 PE (4MB by default). It is always a
1 PE.