[dm-devel] 2.6.10-rc1-udm1: multipath work in progress

Stefan Bader Stefan.Bader at de.ibm.com
Mon Nov 8 15:46:55 UTC 2004


> On Mon, Nov 08, 2004 at 03:53:04PM +0100, Stefan Bader wrote:
> > Having an priority attribute doesn't prevent you from having an
> > ordered list... 
> 
> But then there'd be two independent orderings on the PGs, one of which 
> is quite arbitrary => it's bloat that needs compelling justification.

So you let userspace decide on that. Agreed. In that case you really only
need a call to set the active path group. Would you then still need the
bypass pg functionality? Because the kernel only switches groups when
there is no path left and userspace could just set the desired group at
will...

/Stefan





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