On Wed, Oct 2, 2013 at 1:36 AM, Itamar Heim <ih...@redhat.com> wrote:
> On 10/02/2013 12:40 AM, Christian Kolquist wrote: > >> I am planning on testing the modify existing to become an export domain. >> That will only require me to copy within the isilon cluster a copy of >> the data which only will take about 1 hour. The plan is to do the >> following: >> >> 1. Load Fedora 19 on new engine server and install the engine, add new >> storage domain shares and get fully up and running without adding any >> nodes >> > > just wondering - any reason you prefer fedora to .el6 (centos/rhel)? We use Fedora on most of our systems here. We use kickstart and puppet to manage them and already have nearly everything ready to go with it. > > 2. shutdown all VM's and then remove the nodes >> 3. shutdown engine on current server >> 4. copy the existing storage domain to another location on the NAS and >> share it out over NFS. >> 5. Add nodes to new engine >> 6. Modify the copy of the storage domain to be an export domain >> (http://humblec.com/convert-**master-data-domain-to-export-** >> domain-in-a-crashed-**rhevmovirt-setup/<http://humblec.com/convert-master-data-domain-to-export-domain-in-a-crashed-rhevmovirt-setup/> >> ) >> 7. Add it in as an existing export domain on the new engine server and >> start import of VM's (will take probably 4-6 hours or maybe longer, >> total storage is ~1TB of data) >> >> Are there any further suggestions to this? If this plan fails then I >> will be able to revert back to the original engine server and domain. >> > > sounds good to me > > >> Christian >> >> >> >> >> On Tue, Oct 1, 2013 at 10:48 AM, Itamar Heim <ih...@redhat.com >> <mailto:ih...@redhat.com>> wrote: >> >> On 10/01/2013 06:39 PM, Christian Kolquist wrote: >> >> We have a NFS storage cluster (Isilon) for the domain. >> >> The main question: is there a way to bring in an existing >> storage domain >> to a new engine without exporting it then importing it? This >> would be >> good for not just upgrades but also disaster recovery as well. >> >> >> >> yes, importing an existing data domain is a high priority for us for >> next version as the issue was raised several times by community users. >> >> for 3.3, there a few options (the first one is the cleanest) >> 1. "save the export part" >> - stop using the domain in 3.1 >> - change its meta data to that of an export domain >> - import it as an existing export domain to 3.3 >> - import the VMs >> >> 2. "re-create the VMs / import disks" >> - stop using the domain in 3.1 >> - create a new (empty) domain in 3.3 >> - move all disks to the new domain (assuming you create the new nfs >> export in a way allowing you to move, not copy, from the old >> export) >> - use the register disk api to add all disks >> - create VMs and associate the disks to them >> >> yes, this one requires to document first which disk is for which VM. >> i think someone scripted something around this option. >> >> if your disks have snapshots, this may become too complex. >> >> 3. re-create the VMs and override their disks. >> this was suggested several times in the past, but if you have >> snapshots, not relevant. >> >> >> >> On Tue, Oct 1, 2013 at 8:24 AM, Itamar Heim <ih...@redhat.com >> <mailto:ih...@redhat.com> >> <mailto:ih...@redhat.com <mailto:ih...@redhat.com>>> wrote: >> >> On 09/30/2013 04:55 PM, Christian Kolquist wrote: >> >> So, after many frustrating weekends of trying to >> upgrade ovirt >> from 3.1, >> I have come to the conclustion that it would just be >> best to >> export all >> of our VM's and Import them once I have redone the entire >> installation >> with FC19 and ovirt 3.3. Is there a way to export the >> entire domain >> easily? Or to bring the entire domain into a new >> install of the >> engine? >> >> Exporting a single VM takes a very long while. It >> would take a >> couple >> of days to export all of our VM's (33 total vm's using >> 1.017 TB >> of data) >> and then reimport them using the normal means of >> exporting the >> machines >> off then on to the export domain, load the new engine >> server >> then import >> them all back in. >> >> >> Any tips or tricks would be welcome. >> >> >> do you have a single data domain in the DC? >> is it nfs or something else? >> >> >> >> Christian >> >> >> FYI, I ran into just about every single bug that people >> had when >> upgrading from 3.1 to 3.2 and a few more. I can't >> spend any >> more time >> troubleshooting the upgrade process. If we can't do the >> export->import >> easily or migrate the current storage domain we will >> probably >> have to >> get rid of ovirt and move to another solution. >> >> >> >> >> ------------------------------**____--------------------------** >> --__--__--- >> >> >> This email, along with any attachments, is >> confidential. 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