Rodrigo, is your fio testing shows great results? What filesystem you are using? KVM is known to work very bad over BTRFS.
5 авг. 2017 г. 23:16 пользователь "Rodrigo Baldasso" < rodr...@loophost.com.br> написал: Hi Ivan, In fact i'm testing using local storage.. but on NFS I was getting similar results also. Thanks! - - - - - - - - - - - - - - - - - - - Rodrigo Baldasso - LHOST (51) 9 8419-9861 - - - - - - - - - - - - - - - - - - - On 05/08/2017 13:03:24, Ivan Kudryavtsev <kudryavtsev...@bw-sw.com> wrote: Hi, Rodrigo. It looks strange. Check your NFSconfiguration and network errors, loss. It should work great. 5 авг. 2017 г. 22:22 пользователь "Rodrigo Baldasso" rodr...@loophost.com.br> написал: Hi everyone, I'm having trouble to archive a good I/O rate using cloudstack qcow2 with any type of caching (or even disabled). We have some RAID-5e SSD arrays which give us a very good rates directly on the node/host, but on the guest the speed is terrible. Does anyone knows a solution/workaround for this? I never used qcow (only raw+lvm) so I don't know much to do to solve this. Thanks!
