Hi there
> I am interested in the following questions:
> 1.Does the amount of HDD performance cluster?
not quite sure I understand your question, but: Adding more disks and more
servers in general helps performance, because the requests will be spread out
among more spindles. We see > 1 GByte/Second sequential read from our 64 slow
SATA drives (in 10 servers)
> 2.Is there any experience of implementing KVM virtualization and Ceph on the
> same server?
Yes - we have/had Openstack Folsom running on the same hosts that hosted the
OSD. This is not a recommended way of implementing things, but it works
reasonably well for testing purposes. We are planning/building our next cluster
now (a production cluster) and plan to separate OSD/MON servers from OpenStack
compute servers.
cheers
Jens-Christian
--
SWITCH
Jens-Christian Fischer, Peta Solutions
Werdstrasse 2, P.O. Box, 8021 Zurich, Switzerland
phone +41 44 268 15 15, direct +41 44 268 15 71
jens-christian.fisc...@switch.ch
http://www.switch.ch
http://www.switch.ch/socialmedia
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