Balg, Andreas
2010-Aug-13 13:57 UTC
[Xen-users] Any experiences using glusterfs (2.0.8?/3.0.5?) with xen 3.4.3 on CentOS 5.5 around ?
Hello everybody, did anybody setup and use xen hosts using glusterfs to share storage and allow live-migration? I currently have a bunch of fast unused xeon-servers with 6x146GB SAS Storage but currently do not have a free SAN or iSCSI NAS, this is why I thought about using xen and sharing/replicating the LOCAL storage of these boxes using glusterfs and virtualizing machines on them at the same time. Can this be a stable setup? Would it perform well? Why wouldn''t I want to do that? Any experiences doing such a setup? Of course I could configure some of them as dedicated NAS - but that''s not the idea. Glusterfs might give very good scalability and speed if vm-images reside locally and will only replicate to other machines in order to have redundance and allow live migration. Thank you very much for sharing any thoughts or experiences. Andreas -- ----------------------------------------------------------------------------- XiNCS GmbH MwST-Nr: 695 740 Schmidshaus 118 HR-Nr: CH-300.4.015.621-9 CH-9064 Hundwil AR Webseite: http://www.xincs.eu AGB: http://www.xincs.eu/agb.html Tel. +41 (0)31 526 50 95 ----------------------------------------------------------------------------- _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
Adi Kriegisch
2010-Aug-13 16:34 UTC
Re: [Xen-users] Any experiences using glusterfs (2.0.8?/3.0.5?) with xen 3.4.3 on CentOS 5.5 around ?
Hi!> did anybody setup and use xen hosts using glusterfs to share storage and allow live-migration?I am about to test such configurations (although Debian based with Xen4) My personal experiences with glusterfs are excellent. From what I read on the web you would not want 2.x versions but 3.x: (from the release notes of glusterfs 3.0.0[1]) " Self-heal of open files With this new feature GlusterFS can now self-heal replicated files even while they are open. Servers can fail in replicated mode, recover transparently i.e. have the files housed on them automatically self-healed. The benefit of this feature is that Replicate use cases that also require files to remain open for extended periods, e.g. always open VM images, will work better and be more reliable and available when a Replicate server fails and recovers." To me this means: VM images are officially supported by the glusterfs team and by using version 3.x you will avoid issues described here[2] I am very interested in your results; please share them! -- Adi [1] http://ftp.zresearch.com/pub/gluster/glusterfs/3.0/3.0.0/GlusterFS-3.0.0-Release-Notes.pdf [2] http://gluster.org/pipermail/gluster-users/20090119/001433.html _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users