Re: Solved: slow performance CEPH RBD on KVM

2018-08-06 Thread Andrija Panic
Cool, I didn't consider this as a variable :) IDE works extremely slow indeed... anyway, make sure to also have RBD caching on KVM side. Cheers On Mon, Aug 6, 2018, 14:51 Benjamin Naber wrote: > Hi Andrija, > > i figured out the problem. templates should be created as OS: Other PV > Virtio-SCS

Solved: slow performance CEPH RBD on KVM

2018-08-06 Thread Benjamin Naber
Hi Andrija, i figured out the problem. templates should be created as OS: Other PV Virtio-SCSI (64-bit) otherwise, vm disk will created as an IDE Device. Afther changing the setting i got my Performance and a well working environment. Kind regards Ben > > Andrija Panic hat am 5. August

Tips for troubleshooting

2018-08-06 Thread Jon Marshall
I have a test setup for CS 4.11.1 advanced networking KVM on Centos 7. One manager node and one compute node 2 NICs (1 management/storage), I a trunk link for VM traffic. I create a guest network, an isolated network and a VPC with it's own isolated network so 3 VRs and each network has a VM