Re: Low VM IOPS via Shared Mountpoint

2021-03-17 Thread Hean Seng
To achieve Good I/O, you may need a more decent Raid Card, and Fast Disk (for example, SSD or NVME) . To do on ISCSI, you need to have very good and dedicated Network Throughput as well. On Thu, Mar 18, 2021 at 2:34 AM Wido den Hollander wrote: > Hi, > > Are you using direct I/O on the KVM h

Re: Low VM IOPS via Shared Mountpoint

2021-03-17 Thread Wido den Hollander
Hi, Are you using direct I/O on the KVM host? And inside KVM, virtio-scsi or virtio-blk? QCOW2 Thin, Sparse or Fat images? Wido On 17/03/2021 15:57, Дикевич Евгений Александрович wrote: Hello. I'm testing CloudStack with KVM and Shared Mountpoint. I have 2 identical nodes (Oracle Linux 7.9 w