[Pacemaker] location setting with parenthesis

[Lars Ellenberg]

On Thu, Nov 03, 2011 at 07:23:01PM +0900, 池田 淳子 wrote:
> Hi,
> 
> >> location rsc_location-1 msDRBD \
> >> rule role=master -inf: \
> >> (defined master-prmMySQL:0 and master-prmMySQL:0 gt 0) or \
> >> (defined master-prmMySQL:1 and master-prmMySQL:1 gt 0)
> > 
> > Why not using two rules for this location constraint? I expect that to
> > work the same way you want to express in your rule above.
> 
> Do you mean the following rules?
> 
> location rsc_location-1 msDRBD \
> rule role=master -inf: defined master-prmMySQL:0 and master-prmMySQL:0 gt 0 \
> rule role=master -inf: defined master-prmMySQL:1 and master-prmMySQL:1 gt 0

I may be missing something obvious, but why not a colocation constraint
between msDRBD and prmMySQL?

something like
colocation asdf -inf: msDRBD:Master prmMySQL:Master



-- 
: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com