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
