On 9/04/2016 11:01 PM, Mad Th wrote:
After this move, does the qcow2 image get converted to some raw or rbd file format?
raw (rbd block)
Will moving vm/quest images to ceph storage pool after converting qcow2 to raw format first , improve performance?
I doubt it.
We still see some i/o lag in our 3node proxmox/ceph cluster (12 OSD) .... 4x4TB disk with 7200 rpm, 1 SSD disk for journallling, 1SSD for proxmox on each of the 3 nodes , each server with 64G ram, Intel Dual E5-2620v3 (2x 2.4Ghz Hex-Core + HT) x2 (total 24core ) on each server.
You didn't mention your network setup, also what SSD model are you usng? -- Lindsay Mathieson
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