Re: [Users] How to efficiently share templates between datacenters which have local storages?

2012/11/22 Itamar Heim <iheim(a)redhat.com&gt;: > On 11/19/2012 08:02 PM, Adam Tkáč wrote: >> >> Hello, >> >> I use oVirt 3.1.0. >> >> Does anyone have an idea how to efficiently share VM templates between >> multiple datacenters which use local storages for VM images? I tried >> two methods: >> >> 1. Add another cluster to "local storage datacenter" which failed with >> oVirt error that this isn't allowed >> 2. Tried to create new NFS data domain but this isn't possible because >> oVirt interface allows me to create only NFS export or NFS ISO domains >> (not data domain) >> >> So every time when I would like to use some template in other >> datacenter, I have to export it to export domain and then import it in >> other datacenter. This isn't optimal way because templates are >> duplicated over datacenters. Duplication causes problems - when I want >> to update template, I must update it and copy to all datacenters >> again. And, of course, duplicated templates consume disk space. > > > how did you envision doing this without consuming disk space? a shared NFS > domain for the templates? Exactly. To be more precise, I imagine either NFS/Fibre Channel/iSCSI should be possible. However as I wrote above, I'm unable to create NFS data domain when datacenter uses "local" storage.

Regards, A >> >> "Non-oVirt" solution, when I manually export part of local storage of >> one datacenter with templates via NFS and then mount it in other >> datacenters is also ok but I'm not sure if it will work. > > >