We are on the same process now. Our testing environment is using GFS2 on a V7000 iSCSI LUN. I will share more information when return from vacations.
Pablo Sent from my iPhone On Jul 11, 2013, at 2:16 PM, Emir Imamagic <[email protected]> wrote: > Hello, > > we are currently running VCL on top of VMware ESXi 4.1 and are planning to > migrate to KVM. Main reason is that 4.1 does not support some of newer OS-es > (e.g. Win 8) and ESXi 5 memory limitations are too restrictive for our > servers. > > Currently we have 4 VMware ESXi servers which are using iSCSI storage for > both datastore and vmstore. For datastore we benefit from the fact that > VMware VMFS is inherently clustered, i.e. i is able to mount same LUN from > multiple servers. > > In case of KVM we obviously need to use something else, either NFS or one of > the server-less systems (e.g. GFS or OCFS). Our storage system does not > provide NFS interface so we would need to set up NFS servers. This solution > introduces another component (and cost) in system and we would like to avoid > it. With GFS we had some performance issues in the past, and OCFS we haven't > tested yet. We also considered using something more exotic like MooseFS, > Gluster or CEPH, however for all of them we need to buy more servers, which > is currently not an option. > > I would like to kindly ask other KVM-based VCL instances to share their > experiences, what do you use for datastore? > > Thanks in advance > -- > Emir Imamagic > SRCE - University of Zagreb University Computing Centre, www.srce.unizg.hr > [email protected], tel: +385 1 616 5809, fax: +385 1 616 5559
