Re: what about Slave failing in "Pure-Master Slave" setup?

2010-06-18 Thread Oleg Kiorsak
just discovered another issue with "pure Master-Slave" in 4 out of 5 test it all worked "by the book" - i.e. when I kill MASTER, SLAVE accepgts connections and becomes a master... but tried it out one more tiem and got this [r...@ip-10-195-225-236 bin]# ERROR MasterConnector-

Re: what about Slave failing in "Pure-Master Slave" setup?

2010-06-18 Thread Oleg Kiorsak
Thanks Garry RE: >should just ignore the slave if any replication attempt fails. exactly! the current way it works is that it provides "continuity" only when MASTER fails in the pair, but not when SLAVE fails (from what you describe it is the case when SYNC(ACKed) send is used, but this is mo

Re: what about Slave failing in "Pure-Master Slave" setup?

2010-06-18 Thread Gary Tully
This is true, pure master slave is asymmetrical and it requires manual intervention to restore the paring once the master fails. There is an option on the broker to have the master shutdown if the slave fails, but this is off by default. The problem is that there is currently no way to have a slave

what about Slave failing in "Pure-Master Slave" setup?

2010-06-18 Thread Oleg Kiorsak
One of the benefits of Pure Master Slave are that supposedly it provides some "HA" - namely books, tutorials, wiki site describe that "when MASTER fails SLAVE" becomes a MASTER and clients are smoothly reconnected to it via the virtue of "failover transport"... That is all nice and good, and TR