This is already on my list. I'm still figuring out a good way to organize / record these in a publicly viewable place.
I'll send out a link once I get something together. (Hopefully tonight!) Thanks! -Cheryl On Nov 23, 2015 5:20 PM, "Rick Harding" <[email protected]> wrote: > Thanks for the feedback. I think this is something we should try to make > some time for. I've copied Alexis and we'll see what can be done with the > team. > > Alexis, can you put this on the list of things to investigate for future > roadmap? > > Thanks > > On Tue, Nov 10, 2015 at 8:22 AM Mario Splivalo < > [email protected]> wrote: > >> On 02/12/2015 07:41 PM, Jorge Niedbalski wrote: >> >> While typing up https://bugs.launchpad.net/juju-core/+bug/1417874 I >> >> realized that your proposed solution of a pre-departure hook is the >> >> only one that can work. Once -departed hooks start firing both the >> >> doomed unit and the leader have already lost the access needed to >> >> decommission the departing node. >> > >> > I have been struggling the last hours with the same exact issue trying >> > to add replication to memcached. >> > >> > The problem is that there is no a point on which i can identify >> > what's the exact departing unit? >> > >> > And this leads to manual operator intervention, which is _highly_ non >> > desirable for a juju deployed environment. >> > >> > +1 for having this feature implemented. >> >> Hola! >> >> I'm bumping this thread to get some chatter going on - we hit a similar >> issue with percona-cluster charm, which is reported in this bug: >> >> https://bugs.launchpad.net/charms/+source/percona-cluster/+bug/1514472 >> >> The issue is somewhat similar as to those with mongodb - when unit is >> leaving relation (issued by 'juju remove-unit'), charm should first shut >> down percona server on the departing unit. Failing to do results in >> 'lost quorum' situation where remaining node thinks that network has >> partitioned. Unfortunately there is now way for a relation's -departed >> hook to know if it's executing on departing unit or on the other one so >> it can't know weather or not to stop percona server. Implementing a >> -about-to-depart hook would solve this issue. >> >> Mario >> >> >> -- >> Juju-dev mailing list >> [email protected] >> Modify settings or unsubscribe at: >> https://lists.ubuntu.com/mailman/listinfo/juju-dev >> > > -- > Juju-dev mailing list > [email protected] > Modify settings or unsubscribe at: > https://lists.ubuntu.com/mailman/listinfo/juju-dev > >
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