Re: [MarkLogic Dev General] Local-disk forest failover

2012-08-16 Thread Jason Hunter
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 s

Re: [MarkLogic Dev General] Local-disk forest failover

2012-08-16 Thread Wayne Feick
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

Re: [MarkLogic Dev General] Local-disk forest failover

2012-08-16 Thread Michael Blakeley
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.

[MarkLogic Dev General] Local-disk forest failover

2012-08-16 Thread Danny Sinang
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 m