On Thu, Jan 4, 2018 at 4:03 AM, Sam McLeod <[email protected]> wrote:
> If one was to attach a shared iSCSI LUN as 'storage' to an oVirt data > centre that contains existing data - how does oVirt behave? > > For example the LUN might be partitioned as LVM, then contain existing > filesystems etc... > > - Would oVirt see that there is existing data on the LUN and simply attach > it as any other linux initiator (client) world, or would it try to wipe the > LUN clean and reinitialise it? > Neither - we will not be importing these as existing data domains, nor wipe them, as they have contents. > > > Context: Investigating migration from XenServer to oVirt (4.2.0) > A very interesting subject - would love to see the outcome! > > All our iSCSI storage is currently attached to XenServer hosts, XenServer > formats those raw LUNs with LVM and VMs are stored within them. > I suspect we need to copy the data. We might be able to do some tricks, but at the end of the day I think copying the data, LV to LV, makes the most sense. However, I wonder what else is needed - do we need a conversion of the drivers, different kernel, etc.? What are the export options Xen provides? Perhaps OVF? Is there an API to stream the disks from Xen? Y. > > > > *If the answer to this is already out there and I should have found it by > searching, I apologise, please point me to the link and I'll RTFM.* > > -- > Sam McLeod > https://smcleod.net > https://twitter.com/s_mcleod > > > _______________________________________________ > Users mailing list > [email protected] > http://lists.ovirt.org/mailman/listinfo/users > >
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