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...
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 >
