On 15/08/2014 11:20, Loic Dachary wrote: > Hi, > > I've added a few comments inline at https://github.com/xiaoxichen/ceph/commit/354c09131a64ac1e1a67c71794d1a3bab8334ca8 . Could you explain in pseudo code, in the commit message, what upgrade strategy you are trying to implement ? > > For testing purposes, I would create border cases (i.e. having a rule with ruleid != ruleset) in a script similar to > > https://github.com/ceph/ceph/blob/firefly/src/test/mon/osd-crush.sh > > and then trigger the upgrade and check that it enforces the constraint. Which is exactly what you did ;-) > > There is a need for a change near > > https://github.com/ceph/ceph/blob/master/src/crush/CrushWrapper.cc#L787 > > so that it does not pick a ruleset different from the ruleid. Maybe that could be a first step in the right direction ? I mean, not modifying the existing maps yet, just enforcing ruleid == ruleset by changing the code. So that a new cluster does not suffer from this inconsistency. > > Cheers > -- Loïc Dachary, Artisan Logiciel Libre
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