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Re:Re: [Xen-users] iscsi vs nfs for xen VMs



do you have success experence on deploying clvm+iscsi? 
sometimes image is more comfortably, migration, easy copy,
thanks,
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At 2011-01-26 18:38:52,"Christian Zoffoli" <czoffoli@xxxxxxxxxxx> wrote: >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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