Anders Björnerstedt wrote: > In my last reply below I refer to ticket #1008 but meant ticket #1108. > > Ticket #1108: AMF: Implement use of immsv admin-op for aborting non-critical > CCBs > Ticket #1111: AMF: Reject SC swichover (si-swap) when active ccb modifying > amf-data exists > > So I meant to say: Ticket #1008 could possibly be closed if a fix for #1111 > prevents all cases of a ccb existing > during si-swqp that contains ccb-operations on > AMF objects. > Sigh. I admit, I am a dyslectic.
So I meant to say: Ticket >>>>#1108<<< could possibly be closed if a fix for #1111 prevents all cases of a ccb existing during si-swqp that contains ccb-operations on AMF objects. /AndersBj > But on second thought, we also have failover! > > This same problem can strike failover. > In particular, if the active SC goes down and does not come back up, or is > just to slow in coming back up > and triggerign a sync. > > Then the old-standby-new-active-and-only-remaining SC/AMFD will currently end > up terminating > causing a cluster restart. > > Thus at both failover and switchover, the AMFD currently depends on imm-sync > to clear away any open ccb > that modifies AMF data. This is too vulnreable. > > So if we are to skip any of these two tickets it would be #1111 sinc that > only solves the switchover case. > I would still recommend doing #1111 since it should be very easy to do and at > least solves the switchover case. > Ticket #1111 is not that complex either for the AMFD but it depends on imm > enhancement #1107 to implemenet > this admin-op. > > I considering if we should make these tickets defects instead of enhancements > due to thje HA impact it can have. > But for now lets keep them as enhancements. > > /AndersBj > > ________________________________ > From: Anders Björnerstedt > Sent: den 18 september 2014 13:41 > To: '[opensaf:tickets] '; opensaf-tickets@lists.sourceforge.net > Subject: RE: [tickets] [opensaf:tickets] #1111 AMF: Reject SC swichover > (si-swap) when active ccb modifying amf-data exists > > Ticket #1008 is an alternative to this ticket. > > Ticket #1008 could possibly be closed if a fix of this ticket prevents all > cases of a ccb existing > during si-swap that contains ccb-operations on AMF objects. > > /AndersBj > > ________________________________ > From: Nagendra Kumar [mailto:nagendr...@users.sf.net] > Sent: den 18 september 2014 12:59 > To: opensaf-tickets@lists.sourceforge.net > Subject: [tickets] [opensaf:tickets] #1111 AMF: Reject SC swichover (si-swap) > when active ccb modifying amf-data exists > > > Check my comment for #1108. > > ________________________________ > > [tickets:#1111]<http://sourceforge.net/p/opensaf/tickets/1111> AMF: Reject SC > swichover (si-swap) when active ccb modifying amf-data exists > > Status: unassigned > Milestone: 4.6.FC > Created: Thu Sep 18, 2014 08:25 AM UTC by Anders Bjornerstedt > Last Updated: Thu Sep 18, 2014 08:26 AM UTC > Owner: nobody > > This is related to AMF enhancement #1108 > > http://sourceforge.net/p/opensaf/tickets/1108/<http://sourceforge.net/p/opensaf/tickets/1108> > > That enhancement is about the AMFD clearing the way to re-attach as OI > by invoking an admin-op on immsv to abort active ccbs operating on AMF data. > > But this can be avoided for the si-swap case by the AMFD rejecting the > si-swap if/when there is any active ccb operating on AMF data. > This should be trivial for the AMFD to detect since it is the OI for > all such data. > > ________________________________ > > Sent from sourceforge.net because opensaf-tickets@lists.sourceforge.net is > subscribed to > https://sourceforge.net/p/opensaf/tickets/<https://sourceforge.net/p/opensaf/tickets> > > To unsubscribe from further messages, a project admin can change settings at > https://sourceforge.net/p/opensaf/admin/tickets/options. Or, if this is a > mailing list, you can unsubscribe from the mailing list. > > > ------------------------------------------------------------------------ > > ------------------------------------------------------------------------------ > Slashdot TV. Video for Nerds. Stuff that Matters. > http://pubads.g.doubleclick.net/gampad/clk?id=160591471&iu=/4140/ostg.clktrk > ------------------------------------------------------------------------ > > _______________________________________________ > Opensaf-tickets mailing list > Opensaf-tickets@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/opensaf-tickets > ------------------------------------------------------------------------------ Slashdot TV. Video for Nerds. Stuff that Matters. http://pubads.g.doubleclick.net/gampad/clk?id=160591471&iu=/4140/ostg.clktrk _______________________________________________ Opensaf-tickets mailing list Opensaf-tickets@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/opensaf-tickets