Hi, On Mon, 2010-03-15 at 11:50 +0100, carlopmart wrote: > Hi all, > > I need to setup a rhcs with two nodes to use it for delivery storage for vmware > esxi 4 and rhel5.4 kvm hosts. > > Which type of filesystem is best to use on this topology to serve it via NFS for > esxi and rhel5.4 kvm hosts: gfs2 or ext4?? > That depends on whether you need multiple nodes exporting the same filesystem or not. > In the case of gfs2, is it a good idea to mount gfs2 filesystems with > noatime,nodiratime and noquota options to use it with VMs?? > The nodiratime option is currently not supported. Only noatime is required, and that is always a good plan unless you really need atime support. Whether it makes sense to use noquota really depends on whether you need quotas or not. > An important point is the able to use thin provisioning feature incorporated in > esxi 4. VMware documentation says that this feature it is delimited by the nfs > server ... then, both (ext4 and gfs2) can do this?? > > Thanks. Recent gfs2 can do that. Older versions cannot. It also depends upon whether you have an I/O stack which can deliver those requests to the underlying storage too, not just on the fs itself, Steve. -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
