Re: [MarkLogic Dev General] Local-disk forest failover
On Aug 16, 2012, at 8:00 AM, Danny Sinang wrote: > When a local-disk failover happens, will the replica forest (which just > became the primary forest) need to reindex ? No. It will already be indexed and ready to go. > Also, will the surviving cluster node try to replicate the new forest to some > other cluster members ? No. The only replication that happens is that which is configured. You could script up whatever actions you wanted, of course. -jh- ___ General mailing list General@developer.marklogic.com http://developer.marklogic.com/mailman/listinfo/general
Re: [MarkLogic Dev General] Local-disk forest failover
A slight refinement; replicas are equivalent copies rather than exact copies. You'll have the same fragments, but likely organized differently into stands. Wayne Michael Blakeley wrote: No on both questions. Forest replication is just like RAID-1. You set up the mirrors, and they are exact copies. This underscores the importance of monitoring. You want to find out about a forest failure immediately - not weeks later, when the replica fails and the whole database goes offline. -- Mike On 16 Aug 2012, at 08:00 , Danny Sinang wrote: > Hi, > > When a local-disk failover happens, will the replica forest (which just > became the primary forest) need to reindex ? > > Also, will the surviving cluster node try to replicate the new forest to some > other cluster members ? > > Regards, > Danny > > > ___ > General mailing list > General@developer.marklogic.com > http://developer.marklogic.com/mailman/listinfo/general ___ General mailing list General@developer.marklogic.com http://developer.marklogic.com/mailman/listinfo/general ___ General mailing list General@developer.marklogic.com http://developer.marklogic.com/mailman/listinfo/general
Re: [MarkLogic Dev General] Local-disk forest failover
No on both questions. Forest replication is just like RAID-1. You set up the mirrors, and they are exact copies. This underscores the importance of monitoring. You want to find out about a forest failure immediately - not weeks later, when the replica fails and the whole database goes offline. -- Mike On 16 Aug 2012, at 08:00 , Danny Sinang wrote: > Hi, > > When a local-disk failover happens, will the replica forest (which just > became the primary forest) need to reindex ? > > Also, will the surviving cluster node try to replicate the new forest to some > other cluster members ? > > Regards, > Danny > > > ___ > General mailing list > General@developer.marklogic.com > http://developer.marklogic.com/mailman/listinfo/general ___ General mailing list General@developer.marklogic.com http://developer.marklogic.com/mailman/listinfo/general
[MarkLogic Dev General] Local-disk forest failover
Hi, When a local-disk failover happens, will the replica forest (which just became the primary forest) need to reindex ? Also, will the surviving cluster node try to replicate the new forest to some other cluster members ? Regards, Danny ___ General mailing list General@developer.marklogic.com http://developer.marklogic.com/mailman/listinfo/general
