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Thank you very much for your prompt response… So basically I can’t use cluster aware tool like Microsoft CSV on the RBD, is that correct?
What I am trying to understand is that can I have 2 physical hosts (Maybe Dell PowerEdge2950) *host1 with VM#0-10 *host2 with VM #10-20 And both of these hosts accessing one big LUN or, in this case ceph RBD?
Can host1 failed all it VMs to host2 in case that machine has trouble and still make it resources available to my users? This is very important to us if we really want to explore this new avenue of Ceph Thank you, Yao Mensah Systems Administrator II OLS Servers (202) 307 0354 MCITP MCSE NT4.0 / 2000-2003 A+ From: Dave Spano [mailto:dspano@xxxxxxxxxxxxxx]
Unless something changed, each RBD needs to be attached to 1 host at a time like an ISCSI lun.
Dave Spano From:
"Yao Mensah (CIV)" <Yao.Mensah@xxxxxxxxx> FYI From: Mensah, Yao (CIV)
Hello, I was doing some reading on your web site about ceph and what it capable of. I have one question and maybe you can help on this: Can ceph RBD be used by 2 physical hosts at the same time? Or, is Ceph rbd CSV(Clustered Shared Volumes) aware?
Thank you, Yao Mensah Systems Administrator II OLS Servers
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