Hi Mensah, as already mentioned Gregory, you can use RBD at same time from both servers - Microsoft CSV should be run well. I don't make any test for CSV yet, so can you please try and do quick response about that?
On Thu, May 23, 2013 at 8:40 PM, Mensah, Yao (CIV) <[email protected]>wrote: > 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**** > > [email protected]**** > > (202) 307 0354**** > > MCITP**** > > MCSE NT4.0 / 2000-2003**** > > A+**** > > ** ** > > *From:* Dave Spano [mailto:[email protected]] > *Sent:* Thursday, May 23, 2013 1:19 PM > *To:* Mensah, Yao (CIV) > *Cc:* [email protected] > *Subject:* Re: [ceph-users] FW: About RBD**** > > ** ** > > Unless something changed, each RBD needs to be attached to 1 host at a > time like an ISCSI lun. **** > > Dave Spano > Optogenics > > > **** > ------------------------------ > > *From: *"Yao Mensah (CIV)" <[email protected]> > *To: *[email protected] > *Sent: *Thursday, May 23, 2013 1:10:53 PM > *Subject: *[ceph-users] FW: About RBD**** > > FYI**** > > **** > > *From:* Mensah, Yao (CIV) > *Sent:* Wednesday, May 22, 2013 5:59 PM > *To:* '[email protected]' > *Subject:* About RBD**** > > **** > > 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**** > > **** > > > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com**** > > ** ** > > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > -- Igor Laskovy facebook.com/igor.laskovy studiogrizzly.com
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