[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-users] iscsi vs nfs for xen VMs
Hi, if you want to push on performance the best one is: CLVM over iSCSI if you need fully redundancy you have to double everything: - switches - network ports - PSUs and - storages. If you want to a completely redundant storage solution you can use DRBD in active-active Just some notes: - VMs over files over NFS is slow (only some vendors have a relative fast NFS appliance). - VMs over files over a cluster FS is slow everytime you add a layer (in particular a clustered FS layer) your performances drop down ... so make it simple Best regards, Christian P.S. another interesting approach would be NFS over RDMA (infiniband) ...most of the advantages of NFS with less disadvantages compared to NFS over TCP/IP _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users
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