[CentOS] KVM HA

Eero Volotinen eero.volotinen at iki.fi
Thu Jun 23 04:08:11 UTC 2016


How about trying commercial RHEV?

Eero
22.6.2016 8.02 ap. "Tom Robinson" <tom.robinson at motec.com.au> kirjoitti:

> Hi,
>
> I have two KVM hosts (CentOS 7) and would like them to operate as High
> Availability servers,
> automatically migrating guests when one of the hosts goes down.
>
> My question is: Is this even possible? All the documentation for HA that
> I've found appears to not
> do this. Am I missing something?
>
> My configuration so fare includes:
>
>  * SAN Storage Volumes for raw device mappings for guest vms (single
> volume per guest).
>  * multipathing of iSCSI and Infiniband paths to raw devices
>  * live migration of guests works
>  * a cluster configuration (pcs, corosync, pacemaker)
>
> Currently when I migrate a guest, I can all too easily start it up on both
> hosts! There must be some
> way to fence these off but I'm just not sure how to do this.
>
> Any help is appreciated.
>
> Kind regards,
> Tom
>
>
> --
>
> Tom Robinson
> IT Manager/System Administrator
>
> MoTeC Pty Ltd
>
> 121 Merrindale Drive
> Croydon South
> 3136 Victoria
> Australia
>
> T: +61 3 9761 5050
> F: +61 3 9761 5051
> E: tom.robinson at motec.com.au
>
>
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> https://lists.centos.org/mailman/listinfo/centos
>
>



More information about the CentOS mailing list