[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: AW: [Xen-users] Best way to use iSCSI in domU
El lun, 22-06-2009 a las 00:32 -0700, Nathan Eisenberg escribiÃ: > Interesting. I'd stand back and look at your existing setup before trying to > rebuild with some other storage tech. > > In my experience, poor NFS performance is almost always due to > misconfigurations (not your fault - NFS is suprisingly low level and can be > very confusing at times). I have several very large NFS deployments that > have absolutely fantastic performance. NFS is probably already a proven > technology for whatever you're doing. > > The number one thing to do is ensure that you have NFS mounted without the > synchronization option turned on. There's also buffer sizes to be calculated > and set. If these are web servers, there is also an Apache directive > regarding kernel caching of files; essentially, you can end up double caching > files without the directive in place. > We've done a lot of tests and checks. NFS performance is poor for what we need in this particular case (we are using it in other scenarios without any problem). -- Angel L. Mateo MartÃnez SecciÃn de TelemÃtica Ãrea de TecnologÃas de la InformaciÃn _o) y las Comunicaciones Aplicadas (ATICA) / \\ http://www.um.es/atica _(___V Tfo: 868887590 Fax: 868888337 _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users
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