Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Thanks for your reply Matthieu, I'm now trying it as seperate DRBD's for each of the VMs as live migration would be nice but it's not a necessity. Only now I seem to be running into a problem of not being able to use the same network card for multiple DRBD resources. I'm hoping that I won't have to use a different IP's for each resource! Matthieu Labbé wrote: > > Hello, > > 2011/9/13 SlingPirate <sling.temp at googlemail.com>: >> >> Thank you for your input Lars, and apologies for my lack of >> understanding. I >> have done some more reading and I am still somewhat unsure as how to >> approch >> this. I will try to re-explain what I'm after and I would be grateful for >> any more of your time and guidance. >> >> ********* On-site ********* *** Off-site *** >> = NODE-1 = = NODE-2 = = NODE-DR = >> = VM-1 = = VM-1 = = VM-1 = >> = VM-2 = = VM-2 = = VM-2 = >> = VM-3 = = VM-3 = = VM-3 = >> = VM-4 = = VM-4 = = VM-4 = >> >> Under normal conditions I would like to run VM-1 & VM-2 on NODE-1 while >> VM-3 >> & VM-4 run on NODE-2. >> >> If NODE-1 dies NODE-2 runs all the VMs or visa-versa. If the site that >> NODE-1 & NODE-2 are based at blows up, NODE-3 is ready to run all VMs. >> >> I can use either block devices or image files for the VMs. >> >> What would you suggest would be the correct way to set this up? >> > > You need more than one DRBD, for example: > DRBD0 for VM-1 & VM-2, Primary on NODE-1, Secondary on NODE-2 > DRBD1 for VM-3 & VM-4, Primary on NODE-2, Secondary on NODE-1 > or use one DRBD per VM as suggested before. > > You only need dual primary if you want to do live migration between > NODE-1 and NODE-2 and in that case the classic 3-way setup doesn't > work. > If you don't need live migration, do classic 3-way setups. > > Hope that help, > Matt. > > -- > Matthieu Labbé > http://mattlabbe.com/ > _______________________________________________ > drbd-user mailing list > drbd-user at lists.linbit.com > http://lists.linbit.com/mailman/listinfo/drbd-user > > -- View this message in context: http://old.nabble.com/Enabling-a-stacked-resource---HELP%21-tp32423513p32470363.html Sent from the DRBD - User mailing list archive at Nabble.com.