On 03/15/2013 01:20 PM, GGS (linux ha) wrote: > Virtualization has a huge penalty on performance, specially > at the IO level. At another place we do Xen and KVM with up to > 40 VMs/server and when there is any kind of IO (disk specially) going > on things slow down to a crawl.
I'm yet to find anything that can deal with i/o. I recently spent a couple of weeks poking at ceph, it doesn't live up to the sales brochure either... I expect if you can roll out a dedicated 10GBe network for your iscsis you might get usable i/o speeds. :( -- Dimitri Maziuk Programmer/sysadmin BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu
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