LVM on dom0 or domu? 2009/5/20 Christopher G. Stach II <cgs at ldsys.net> > ----- "Francisco Pérez" <fperez.x at gmail.com> wrote: > > > I guess the bad performance it goes with the writing. For example on > > decompression of a big tar.gz, installing rpm packages. Also on > > restoring a MySQL Database... > > > > The first clue when i knew that something were wrong was on the FS > > formating stage. It took really long time to format 40 GB to ext3. I > > did the same on other machine with a sata disk... surprise! same > > software and hardware config except for the inferior disk type and did > > it in no time. > > It sounds like your the virtual disk file is sparse. If that's the case, > you traded performance for space. It not only has to deal with the > underlying filesystem, but it allocates the space on demand and hits that > filesystem's journal. Try an LVM logical disk and see how that performs. > > -- > Christopher G. Stach II > > > _______________________________________________ > CentOS-virt mailing list > CentOS-virt at centos.org > http://lists.centos.org/mailman/listinfo/centos-virt > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos-virt/attachments/20090520/d0cf6bea/attachment-0006.html>