FYI: http://dev.opennebula.org/issues/1809
On Tue, Mar 12, 2013 at 11:41 AM, Marlok Tamás <[email protected]> wrote: > Hi Jaime, > > I examined the new lvm driver and compared it with shared_lvm. > I think, the only difference between them, is that in shared_lvm all of > the lvm commands are executed on the frontend (as we described in here: > http://wiki.opennebula.org/shared_lvm). > I would like to suggest, that you should consider to adapt this behaviour > in the new lvm driver. > (Or in the case of the one driver, the HOST configured in the datastore > config should execute this commands, but not the host, running the VM.) > > I can't see any drawback of this approach, but in this way, CLVM wouldn't > be necessary (refer the wiki article). > > We couldn't use CLVM for various reasons, but it would be much easier for > us (I think not just for us) if we could use the LVM driver already > implemented in OpenNebula, instead of shared_lvm. > > I see, that in the datastore driver scripts this is the current behaviour. > So only the tm scripts should be modified. > > If you can agree with this, but don't have the time for implementing, just > let me know, I can create a patch for you. Or if I am wrong let me know > that too :). > > Cheers, > Tamas > > > On Thu, Feb 21, 2013 at 6:52 PM, Jaime Melis <[email protected]>wrote: > >> Oops, you're right. >> >> Ok, so, can you test the upcoming LVM drivers for OpenNebula 4.0? It >> replaces snapshotting with cloning... >> >> just replace /var/lib/one/remotes/tm/lvm >> with the contents of: >> https://github.com/OpenNebula/one/tree/master/src/tm_mad/lvm >> >> and do "onehost sync" afterwards? >> >> >> On Thu, Feb 21, 2013 at 6:41 PM, Tobias Honacker >> <[email protected]>wrote: >> >> > Hi Jaime, >> > >> > yes you are right. I posted the error log file with TM_MAD="lvm", too. I >> > tried both TM_MAD=shared and lvm. >> > I will try the links Mihály Héder already posted. But maybe you have got >> > any other ideas? >> > >> > >> > Best regards, >> > Tobias >> > >> > >> > Am 21.02.2013 um 18:37 schrieb Jaime Melis: >> > >> > Actually, it's "onedatastore update 100", not "onetemplate"... sorry >> > >> > >> > On Thu, Feb 21, 2013 at 6:22 PM, Jaime Melis <[email protected] >> >wrote: >> > >> >> Hi Tobias, >> >> >> >> your datastore template has the wrong TM_MAD. It should be TM_MAD="lvm" >> >> instead of TM_MAD="shared". >> >> >> >> You can fix it by doing "onetemplate update 100" and editing it >> in-place >> > > -- Jaime Melis Project Engineer OpenNebula - The Open Source Toolkit for Cloud Computing www.OpenNebula.org | [email protected]
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