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My guess would be that it is faster via ISCSI because even though ISCSI is IP based it is still block data and the block data is larger in size than the NFS protocol....Are you using VMWare Server(the free product) or is this ESX..??
---------- Original Message ----------- From: Les Mikesell <[EMAIL PROTECTED]> To: Esben Laursen <[EMAIL PROTECTED]> Cc: [email protected] Sent: Wed, 02 May 2007 14:29:29 -0500 Subject: Re: [OF-users] Openfiler to host vmware server machines images. > Esben Laursen wrote: > > > Im currently testing vmware with OF. > > > > I want the run my vmware server on a Debian Etch Linux and host the > > guest OS'es on my OF. Im currently doing some performance testing with > > both NFS and iSCSI. > > > > I don't seem to get the performance I was looking for in my guest OS'es. > > I have a read speed about 10Mbyte and a write speed that jumps up to > > 30-40Mbyte in short periods. It seems like iSCSI is faster but I cant > > figure out why. On both systems I cant seem to get a stable throughput > > of over 10Mbyte. Without vmware I can get about 80Mbyte. > > > > Have any of you guys played around with vmware server and host the guest > > os'es on a OF nas/san? > > I haven't tried that, but I've considered it and think it is a great > idea to only have to worry about the one physical host. There's bound > to be a certain amount of overhead in virtualizing the disk volumes and > it is probably worse if you don't pre-allocate the space. But, if > iscsi is better, why not use it for the active volumes? What kind of > speed do you get with vmware using an iscsi volume from the same host > (vmware tools might make a difference here)? > > -- > Les Mikesell > [EMAIL PROTECTED] > > _______________________________________________ > Openfiler-users mailing list > [email protected] > https://lists.openfiler.com/mailman/listinfo/openfiler-users ------- End of Original Message ------- |
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