Hi, On Mon, 30 Mar 2009, Steven Whitehouse wrote:
> > We'd need features added to recent 2.6 kernels (like read-only bindmount), > > so the natural path was upgrading GFS1. However, as in the present state > > our cluster is unstable, either we have to find the culprit or go back to > > the proven version (and loosing the required new features). > > Read only bind mounts have not been tested with gfs1 and they might very > well not work correctly, so be careful. Our general plan is to try and > introduce new features into GFS2 and to maintain GFS with its existing > feature set. Thats not to say that there will be no new features in GFS, > but just that we are trying in general to put the new stuff in GFS2. We do not need read-only bind mounts in GFS itself but in local filesystems. > Upgrading from GFS1 to GFS2 will always have to involve a shutdown in > cluster operations since the differing journalling schemes rule out a > node by node in place upgrade I'm afraid, That's fully acceptable. I assume there's no problem in running GFS1 and GFS2 volumes in parallel? Best regards, Jozsef -- E-mail : [email protected], [email protected] PGP key: http://www.kfki.hu/~kadlec/pgp_public_key.txt Address: KFKI Research Institute for Particle and Nuclear Physics H-1525 Budapest 114, POB. 49, Hungary -- Linux-cluster mailing list [email protected] https://www.redhat.com/mailman/listinfo/linux-cluster
