[Veritas-ha] Upgrading from 4.1 MP1 to 5.0.. and usual support rumblings

2007-03-14 Thread Andrey Dmitriev
Can anyone recommend best practices and 'gotchas'? (besides following the manual) We are upgrading from 4.1 MP1 to 5.0 (to finally get rid of some EMC issues with trespassing) Last time I had to do this (MP1), we were forced to upgrade the kernel, which broke tons of things (particularly replaced

Re: [Veritas-ha] Veritas Volume Replicator in ReplicatedDataCluster question

2007-03-14 Thread Jim Senicka
If you configure auto failover in GCO (not recommended), then you need to make sure you are using sync replication only. -Original Message- From: Cronin, John S [mailto:[EMAIL PROTECTED] Sent: Wednesday, March 14, 2007 10:07 AM To: Jim Senicka; Pavel A Tsvetkov; Veritas-ha@mailman.eng.a

Re: [Veritas-ha] Veritas Volume Replicator in ReplicatedDataCluster question

2007-03-14 Thread Cronin, John S
I believe auto-failover is a configurable option with GCO, unless something has changed recently (I didn't go look at the docs). The default is operator confirmation before fail-over, but I have agreed to configured GCO for auto-failover before if a split-brain did not present any significant ri

Re: [Veritas-ha] Veritas Volume Replicator in Replicated DataCluster question

2007-03-14 Thread Jim Senicka
RDC = autofailover. GCO = Operator confirmed failover. So in GCO, an operator makes a choice to startup on old data or wait on original primary. This is not possible inside a single cluster. And for bunker, this is a GCO config as well [Sent from my Nokia E62 handheld via goodlink] -

Re: [Veritas-ha] Veritas Volume Replicator in Replicated DataCluster question

2007-03-14 Thread Pavel A Tsvetkov
Hello Jim! Thank you for the answer. But if I have a choice for replication mode in global cluster it can be useful to have the same thing in RDC. Let it be not up-to-date data on the Secondary , but it is still consistent. :) So the application can be started. And we should take the bunk