On 2015-02-17 02:58, Jaime Melis wrote:
Hi,
- I can create VMs successfully but very very slow performance.
Are you using virtio drivers? I also recommend playing with the
'cache' parameter. How well does it perform compared with I/O
operations in the hypervisor? Is the storage the problem here or the
Virtualization layer?
I am using KVM hypervisor. I also used Chachefilesd but while launching
vms it takes long time. Also poor writing speed inside the vm.
- Also when I created VM on node1 and try to migrate it other vm it
does not work as logical volume of that VM on node2 is inactive.
have you set up cLVMd? I think for your setup the best approach is:
http://docs.opennebula.org/4.10/administration/storage/fs_lvm_ds.html
[2]
Or something like GFS2.
No I did not configure CLVMd or GFS as it needs fencing device.
Regards
Neelesh Gurjar
cheers,
Jaime
On Tue, Feb 10, 2015 at 12:08 PM, ngur...@neeleshgurjar.co.in wrote:
Hi,
I am setting up OpenNebula on 2 nodes and 1 storage on 1Gb Network.
- installed Nexenta Community Version on Storage and created iSCSI
LUN.
- Access those LUNs on both nodes and created Volume Group on it.
- Configured LVM Block Datastore in OpenNebula.
- I can create VMs successfully but very very slow performance.
- Also when I created VM on node1 and try to migrate it other vm it
does not work as logical volume of that VM on node2 is inactive.
What do you recommend for this type of setup for Shared Storage
LVM, NFS? Please note that I need to use 1GbE copper due to budget
limitations.
Regards
Neelesh Gurjar
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OpenNebula - Flexible Enterprise Cloud Made Simple
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Jaime Melis
Senior Infrastructure Architect at OpenNebula Systems (formerly C12G
Labs)
jmelis@opennebula.systems | @OpenNebula
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[2]
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