thnx for sharing André! so in ubuntu 14.04 we can use libgfapi without recompiling qemu? it works just out of the box (as described in your first link)? Regards Bernhard > Hi Bernhard, > > i have nearly the same setup: > - Ubuntu 14.04. > - 4 nodes (relplicate distributed) > - bricks are on lvm on a mdadm raid 10 > > used bonding (802.3ad/bond-mode 4) before but did not see real benefit > in speed for vms. depending on what you do 1 gb might be already enough. > nevertheless we bought 10 ge hardware now > > For the vms i recommend to use libgfapi which will have better > performance and the load of your gluster nodes will go down: > > http://www.gluster.org/community/documentation/index.php/Libgfapi_with_qemu_libvirt > > I also used these hints: > http://www.gluster.org/community/documentation/index.php/Virt-store-usecase#Tunables > > Whats also important: > http://joejulian.name/blog/keeping-your-vms-from-going-read-only-when-encountering-a-ping-timeout-in-glusterfs/ > > Regards > André > > Am 18.12.2014 um 12:39 schrieb Bernhard Glomm: >> hi all, >> >> I'm looking for some performance tuning suggestions for glusterfs. >> >> The set is: >> - 2 server with several bricks each (ubuntu 14.04), >> - each brick is part of a 2way-mirror between them both >> - both server are connected with 2 * 1GB NIC >> - the servers also mount the gluster volumes (fuse) >> - each gluster volume hosts mainly a single large file (10-20GB) (VM-Image), >> sometimes two or three of them >> >> My qustions: >> - Which bond mode would you recommend for this set up? >> - what are performance parameters/values for "few large files per gluster volume" >> - are there some performance parameters regarding the use as vm.image storage >> (the vms do some caching by themself?) >> >> TIA >> >> Bernhard >> >> >> >> _______________________________________________ >> Gluster-users mailing list >> Gluster-users@xxxxxxxxxxx >> http://supercolony.gluster.org/mailman/listinfo/gluster-users >> > > > -- > Mit freundlichen Grüßen > > André Bauer > > MAGIX Software GmbH > André Bauer > Administrator > Postfach 200914 > 01194 Dresden > > Tel. Support Deutschland: 0900/1771115 (1,24 Euro/Min.) > Tel. Support Österreich: 0900/454571 (1,56 Euro/Min.) > Tel. Support Schweiz: 0900/454571 (1,50 CHF/Min.) > > Email: mailto:abauer@xxxxxxxxx > Web: http://www.magix.com > > Geschäftsführer | Managing Directors: Dr. Arnd Schröder, Michael Keith > Amtsgericht | Commercial Register: Berlin Charlottenburg, HRB 127205 > > The information in this email is intended only for the addressee named > above. Access to this email by anyone else is unauthorized. If you are > not the intended recipient of this message any disclosure, copying, > distribution or any action taken in reliance on it is prohibited and > may be unlawful. > > MAGIX does not warrant that any attachments are free from viruses or > other defects and accepts no liability for any losses resulting from > infected email transmissions. Please note that any views expressed in > this email may be those of the originator and do not necessarily > represent the agenda of the company. > _______________________________________________ > Gluster-users mailing list > Gluster-users@xxxxxxxxxxx > http://supercolony.gluster.org/mailman/listinfo/gluster-users _______________________________________________ Gluster-users mailing list Gluster-users@xxxxxxxxxxx http://supercolony.gluster.org/mailman/listinfo/gluster-users
