Thanks for your replies, Steph. Adding back the rest of the mailing list. If anyone can shed some light on my predicament that would be much appreciated.
Adam ---------- Forwarded message ---------- From: Steph van Schalkwyk <svanschalk...@gmail.com> Date: Tue, May 1, 2018 at 12:44 PM Subject: Re: Configuring SolrCloud with Redundancy on Two Physical Frames To: Adam Blank <adam.bl...@gmail.com> Maybe one of the ZK gurus could chime in? I could test it but I don't have the time right now. +1.314.452.2896 (Tel/SMS) On Tue, May 1, 2018 at 11:42 AM, Adam Blank <adam.bl...@gmail.com> wrote: > I think I would still run into the same issue since if one frame goes down > I will only have 50% of ZK instances still up, and my understanding is that > a ZK cluster requires a majority to be up in order to operate. So if I have > 6 total I'd need 4 to be up. > > > On Tue, May 1, 2018, 12:34 PM Steph van Schalkwyk <svanschalk...@gmail.com> > wrote: > >> Only thing I can think of is to run three ZK instances on each hardware >> instance. That way if one fails you still have three running on the other >> hardware instance. >> Also, when you set up the SOLR instances, make sure you're sharding >> across hardware instances, for example two shards per collection on >> instance 0 and two on the other. >> S >> >> +1.314.452.2896 (Tel/SMS) >> >> On Tue, May 1, 2018 at 10:17 AM, Adam Blank <adam.bl...@gmail.com> wrote: >> >>> Hi Steph, >>> >>> I should have provided some more info. I am running on AIX. If I'm >>> understanding your comment correctly, the issue I'm having isn't with being >>> able to run multiple ZK instances on a single server. The issue is with >>> setting up ZK and SOLR in a way that it can survive either frame failure. >>> I wonder if setting up a virtual IP for the ZK instances and having SOLR >>> connect to the VIP would work if all ZK instances share the same data >>> directory on a shared drive? I was hoping someone has encountered this >>> situation before, but if not, I can see if that idea would work. >>> >>> Thanks, >>> Adam >>> >>> On Tue, May 1, 2018 at 10:59 AM, Steph van Schalkwyk < >>> svanschalk...@gmail.com> wrote: >>> >>>> Adam, is it possible to virtualize in any way? >>>> As for single physical instances, I have been running three instances >>>> of ZK >>>> on one VM quite comfortably. This is only for dev/testing, though. >>>> Regards >>>> Steph >>>> >>>> >>>> +1.314.452.2896 (Tel/SMS) >>>> >>>> On Tue, May 1, 2018 at 9:55 AM, Adam Blank <adam.bl...@gmail.com> >>>> wrote: >>>> >>>> > Hello, >>>> > >>>> > I would like to have a high-availability/redundant installation of >>>> > Zookeeper running in my production environment. The problem is that I >>>> only >>>> > have 2 physical frames available, so that rules out configuring a >>>> Zookeeper >>>> > cluster/ensemble since I'd only have redundancy if the frame with the >>>> > minority of servers goes down. What is the best practice in this >>>> situation? >>>> > Is it possible to have a separate standalone install running on each >>>> frame >>>> > connected to the same set of SOLR nodes or to use one server as >>>> primary and >>>> > one as backup? >>>> > >>>> > Thank you, >>>> > Adam >>>> > >>>> >>> >>> >>
