[Linux-cluster] Question about using Lock manager

[Barry Brimer]

> hi
> I am new in GFS concept and  planning to use RHEL4 GFS
> to immplement clustering.My SAN is HDS 9585 and I have
> 4 HS-20 web servers and 2 IBM HS20 ftp servers.
> My question is about the place of lock amanger in this
> configuration.
> Should I set up lock manager on a separate host or
> would it be possible to have a node with both roles of
> lock manager and apache ? please let me know the
> impact of having a node with both roles ?
> If I should set up Lock manager and its RLM on
> different nodes please let me know the best
> configuration .

I would recommend using lock_dlm.  With lock_dlm, each node manages locks 
for the files it uses.  Hope this helps.

Barry