Questions regarding journal replay

[Ralf Hildebrandt]

* Ralf Hildebrandt <Ralf.Hildebrandt at charite.de>:
> * Curtis Doty <Curtis at GreenKey.net>:
> > Yesterday Ralf Hildebrandt said:
> >
> >> The journal replay too quite a while. About 800 seconds.
> >>
> >
> > Were there any other background iops on the underlying volume 
> > devices? Like maybe raid reconstruction?
> 
> I don't think so. The machine never powered off...

Again, 2.6.28.7 failed us and now we're encountering another journal
replay. Taking ages. This sucks.

Questions:

How can I find out (during normal operation) HOW MUCH of the
journal is actually in use?

How can I resize the journal to be smaller, thus making a journal
replay faster?

-- 
Ralf Hildebrandt                                Ralf.Hildebrandt at charite.de
Charite - Universitätsmedizin Berlin            Tel.  +49 (0)30-450 570-155
Geschäftsbereich IT | Abt. Netzwerk             Fax.  +49 (0)30-450 570-962
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