oh, so the configuration must be manualy changed? Can't something be passed at (re)start time?
> > 2009/5/14 Noble Paul നോബിള് नोब्ळ् <noble.p...@corp.aol.com> > >> On Thu, May 14, 2009 at 4:07 PM, nk 11 <nick.cass...@gmail.com> wrote: >> > Ok so the VIP will point to the new master. but what makes a slave >> promoted >> > to a master? Only the fact that it will receive add/update requests? >> > And I suppose that this "hot" promotion is possible only if the slave is >> > convigured as master also... >> right.. By default you can setup all slaves to be master also. It does >> not cost anything if it is not serving any requests. >> >> so , if you have such a setting you will have to disable that slave to >> be a slave and restart it and you will have to make the VIP point to >> this new slave as master. >> >> so hot promotion is still not possible. >> > >> > 2009/5/14 Noble Paul നോബിള് नोब्ळ् <noble.p...@corp.aol.com> >> >> >> >> ideally , we don't do that. >> >> you can just keep the master host behind a VIP so if you wish to >> >> change the master make the VIP point to the new host >> >> >> >> On Wed, May 13, 2009 at 10:52 PM, nk 11 <nick.cass...@gmail.com> >> wrote: >> >> > This is more interesting.Such a procedure would involve taking down >> and >> >> > reconfiguring the slave? >> >> > >> >> > On Wed, May 13, 2009 at 7:55 PM, Bryan Talbot >> >> > <btal...@aeriagames.com>wrote: >> >> > >> >> >> Or ... >> >> >> >> >> >> 1. Promote existing slave to new master >> >> >> 2. Add new slave to cluster >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> -Bryan >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> On May 13, 2009, at May 13, 9:48 AM, Jay Hill wrote: >> >> >> >> >> >> - Migrate configuration files from old master (or backup) to new >> >> >> master. >> >> >>> - Replicate from a slave to the new master. >> >> >>> - Resume indexing to new master. >> >> >>> >> >> >>> -Jay >> >> >>> >> >> >>> On Wed, May 13, 2009 at 4:26 AM, nk 11 <nick.cass...@gmail.com> >> wrote: >> >> >>> >> >> >>> Nice. >> >> >>>> What if the master fails permanently (like a disk crash...) and >> the >> >> >>>> new >> >> >>>> master is a clean machine? >> >> >>>> 2009/5/13 Noble Paul നോബിള് नोब्ळ् <noble.p...@corp.aol.com> >> >> >>>> >> >> >>>> On Wed, May 13, 2009 at 12:10 PM, nk 11 <nick.cass...@gmail.com> >> >> >>>> wrote: >> >> >>>>> >> >> >>>>>> Hello >> >> >>>>>> >> >> >>>>>> I'm kind of new to Solr and I've read about replication, and the >> >> >>>>>> fact >> >> >>>>>> >> >> >>>>> that a >> >> >>>>> >> >> >>>>>> node can act as both master and slave. >> >> >>>>>> I a replica fails and then comes back on line I suppose that it >> >> >>>>>> will >> >> >>>>>> >> >> >>>>> resyncs >> >> >>>>> >> >> >>>>>> with the master. >> >> >>>>>> >> >> >>>>> right >> >> >>>>> >> >> >>>>>> >> >> >>>>>> But what happnes if the master fails? A slave that is configured >> as >> >> >>>>>> >> >> >>>>> master >> >> >>>>> >> >> >>>>>> will kick in? What if that slave is not yes fully sync'ed with >> the >> >> >>>>>> >> >> >>>>> failed >> >> >>>> >> >> >>>>> master and has old data? >> >> >>>>>> >> >> >>>>> if the master fails you can't index the data. but the slaves will >> >> >>>>> continue serving the requests with the last index. You an bring >> back >> >> >>>>> the master up and resume indexing. >> >> >>>>> >> >> >>>>> >> >> >>>>>> What happens when the original master comes back on line? He >> will >> >> >>>>>> >> >> >>>>> remain >> >> >>>> >> >> >>>>> a >> >> >>>>> >> >> >>>>>> slave because there is another node with the master role? >> >> >>>>>> >> >> >>>>>> Thank you! >> >> >>>>>> >> >> >>>>>> >> >> >>>>> >> >> >>>>> >> >> >>>>> -- >> >> >>>>> ----------------------------------------------------- >> >> >>>>> Noble Paul | Principal Engineer| AOL | http://aol.com >> >> >>>>> >> >> >>>>> >> >> >>>> >> >> >> >> >> > >> >> >> >> >> >> >> >> -- >> >> ----------------------------------------------------- >> >> Noble Paul | Principal Engineer| AOL | http://aol.com >> > >> > >> >> >> >> -- >> ----------------------------------------------------- >> Noble Paul | Principal Engineer| AOL | http://aol.com >> > >
