FWIW, here is what I have for my ceph cluster: 4 x HP DL 180 G6 12Gb RAM P411 with 512MB Battery Backed Cache 10GigE 4 HP MSA 60's with 12 x 1TB 7.2k SAS and SATA drives (bought at different times so there is a mix) 2 HP D2600 with 12 x 3TB 7.2k SAS Drives I'm currently running 79 qemu/kvm vm's for Indiana University and xsede.org. On May 7, 2013, at 7:50 AM, "Barry O'Rourke" <Barry.O'Rourke@xxxxxxxx> wrote: > Hi, > > I'm looking to purchase a production cluster of 3 Dell Poweredge R515's which I intend to run in 3 x replication. I've opted for the following configuration; > > 2 x 6 core processors > 32Gb RAM > H700 controller (1Gb cache) > 2 x SAS OS disks (in RAID1) > 2 x 1Gb ethernet (bonded for cluster network) > 2 x 1Gb ethernet (bonded for client network) > > and either 4 x 2Tb nearline SAS OSDs or 8 x 1Tb nearline SAS OSDs. > > At the moment I'm undecided on the OSDs, although I'm swaying towards the second option at the moment as it would give me more flexibility and the option of using some of the disks as journals. > > I'm intending to use this cluster to host the images for ~100 virtual machines, which will run on different hardware most likely be managed by OpenNebula. > > I'd be interested to hear from anyone running a similar configuration with a similar use case, especially people who have spent some time benchmarking a similar configuration and still have a copy of the results. > > I'd also welcome any comments or critique on the above specification. Purchases have to be made via Dell and 10Gb ethernet is out of the question at the moment. > > Cheers, > > Barry > > > -- > The University of Edinburgh is a charitable body, registered in > Scotland, with registration number SC005336. > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com