[Linux-cluster] CLVM/GFS2 distributed locking

[yvette hirth]

Digimer wrote:

> For GFS2, one of the easiest performance wins is to set
> 'noatime,nodiratime' in the mount options to avoid requiring locks to
> update the access times on files when you only read them.

i've found that "noatime" implies "nodiratime", so both are not needed - 
unless GFS/GFS2 behaves differently than other fs's wrt this attribute. 
  if so, that would be good to know for certain.

see here:  http://lwn.net/Articles/245002/

the article didn't specify the filesystem...

yvette