[Linux-ha-dev] RFC: "migrate" semantics
lmb at suse.de
Wed Oct 4 10:16:38 MDT 2006
On 2006-10-04T10:13:42, Serge Dubrouski <sergeyfd at gmail.com> wrote:
> Some thoughts.
> 1. XEN supports 2 kinds of migration. You are talking about "live"
> migration. Default one for XEN (at least in the current official
> 3.0.2) isn't live.
Of course. Non-live migration is boring. ;-)
> 2. XEN resources are atomic. I mean virtual machine is just one
> resource that is concidered as a whole. In case of Heartbeat resource
> can be and in most cases is a complex structure: IP Address +
> DiskDevice + FileSystem + DataBase, etc... That complicates "migrate"
> idea a lot. Having an ability to move just IP address in that group
> doesn't give you a lot.
Obviously, migrate doesn't make sense for all resources. It does for Xen
and other containers, though, and could make sense for other resources
But, I hope I'm not being obtuse, the feedback doesn't actually require
any change in the proposal, right?
High Availability & Clustering
SUSE Labs, Research and Development
SUSE LINUX Products GmbH - A Novell Business -- Charles Darwin
"Ignorance more frequently begets confidence than does knowledge"
More information about the Linux-HA-Dev