ok, I'd try to bench the I/O locally, then through the network, on the block device,and see when the big difference comes from.
- Razique On 14 Nov 2013, at 18:30, Jitendra Kumar Bhaskar wrote: > Please make sure from block storage to switch and from switch to compute > node connectivity is in GBs. Means all ports should be GBs. > > Regards > *Jitendra Bhaskar* > > > > > > > On Fri, Nov 15, 2013 at 6:20 AM, Dnsbed Ops <o...@dnsbed.com> wrote: > >> They are 1000Mb links. >> >> >> On 2013-11-15 1:40, Razique Mahroua wrote: >> >>> Hi, >>> >>> What is the network link between both? >>> >>> On 13 Nov 2013, at 19:38, Dnsbed Ops wrote: >>> >>> Hi, >>>> >>>> The design is pretty simple. >>>> We run nova-compute for VMs management, for example, a server with >>>> 128GB memory, 12 cores CPU, 300GB SAS (RAID1) disks, to create 20 VMs. >>>> And, we run cinder as the separated storage service to provide block >>>> storage for the VMs. For example, each VM gets a block storage with >>>> 100GB. >>>> >>>> More details, >>>> >>>> OS: ubuntu 12.04 >>>> Hypervisor: KVM >>>> Networking: nova-network for FlatDHCP,multi-host >>>> glance backend: file >>>> cinder backend: ceph >>>> live migration: no need >>>> object storage: no need >>>> >>>> Thanks. >>>> >>>> On 2013-11-14 11:09, Razique Mahroua wrote: >>>> >>>>> #2: What's the implementation design? >>>>> >>>> >>> >> _______________________________________________ >> Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/ >> openstack >> Post to : openstack@lists.openstack.org >> Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/ >> openstack >> _______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : openstack@lists.openstack.org Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack