On 7 September 2017 at 21:16, milist ujang <ujang.mil...@gmail.com> wrote:
> Hi Craig, > > On Wed, Sep 6, 2017 at 4:07 PM, Craig Ringer <cr...@2ndquadrant.com> > wrote: > >> >> You could drop and re-create the replication slot, I guess. But your >> nodes would be hopelessly out of sync and need manual resync (with data >> replication disabled) of one node vs another. >> > > Thanks for pointing to replication slot. > I Simulate the similar situation in dev env by remove the wal segment on > node1, when node2 keep inserting into a table, now it perfectly can move > forward to latest wal segment, but the difference situation is at > node_status. > > In production node_status is i in node1 > there's a known bug in bdr1 where sometimes the node status doesn't update from 'i' after joining. > can I safely update the node_status directy on bdr.bdr_nodes? > Usually not. In this one specific case where a node is known to be fully joined and online, but its status is stuck at 'i', yes. -- Craig Ringer http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services