you can definitely have mixed zones, so that shouldn't impact current or future shared storage deployments. you're correct in your thinking that the service offering/disk offering is how the storage back-end is defined.
On Mon, Aug 12, 2013 at 5:24 PM, Noel Kendall <[email protected]>wrote: > Your suggestion is exactly the process I attempted to follow, but it was > not permitted,which is why I have come to the forum. I defined a storage > service offering, local, of1G. > When I try to create a data disk using that offering, the attempt fails > with the message 'Zone is not configured to use local storage but volume's > disk offering LocalSwap uses it'.I understand that the 'local storage' > enabling configuration is in the zone definition, and isalterable at any > time. I see the box in the UI to enable it. > This leaves me a dilemma... if I configure the zone to use local storage, > then I am uncertainof the degree of risk to which I expose the zone... does > my next VM ROOT disk end up onlocal? Or is that taken because the VM disk > offering will use 'shared' and this is how the placementis controlled - via > shared/local? I want to be sure before I do this, as I have a number > ofguests and data disks already defined and do not dare risk blowing up > this running cloud. > Thanks for the response! > > > Date: Mon, 12 Aug 2013 17:03:14 -0700 > > Subject: Re: Possible to place guest VM swap on local storage? > > From: [email protected] > > To: [email protected] > > > > What one can do is create a disk offering using local storage. Then when > > spinning up a VM using the regular shared storage (NFS) include a data > disk > > that uses the local storage offering. Once the guest boots it should > > understand that it has to use the additional disk for swap space. > > Accomplishing this via scripts... Hope that helps. > > On Aug 12, 2013 4:27 PM, "Noel Kendall" <[email protected]> > wrote: > > > > > Typically, I configure primary storage onto an NFS server with a RAID1 > > > array, and expose that zone-wide.Works fine. > > > However, it strikes me that it makes little sense to allow guest VMs to > > > place their swap files there - which is thesimple model currently in > place. > > > What I would prefer, and makes sense from a performance point of view, > is > > > to define a number of swap partitionson disk images residing on the > local > > > storage system of my KVM host. > > > I've been over the documentation several times and it seems that > options > > > for configuring this setup are notgranular enough: I want primary > storage > > > defined in the NFS to be the default locus for storage, while local > > > storageto be the locus for specifically placed swap resources. > > > Has anybody done this, or know how this can be done? > > > TIA, Noel > >
