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тАО05-25-2005 05:55 AM
тАО05-25-2005 05:55 AM
RAC problem if one node down
I've 2 nodes HP-UX11i with MC/ServiceGuard & 10g RAC.
When nodeA fails (power or network), listenerA
package failovers to nodeB : ipA is then activated on node B and the command "lsnrctl reload name_listener" is executed on nodeB according to HP-UX doc and metalink notes (247963.1 & 249213.1)
In fact what bothers me is that if I've got more than 2 nodes this can't work : I can't reload the listener on all surviving nodes.
My question is : how can I trigger with MCSG an action on all surviving nodes when 1 node fails (1 package failover) ?
I hope the question is not too vague
Thanks
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тАО05-25-2005 09:59 AM
тАО05-25-2005 09:59 AM
Re: RAC problem if one node down
How many nodes are there in the cluster?? How package failover is configured?? If RAC on nodeA is configured to failover to nodeB, the listener will start on nodeB only. (virtual ip now will be owned by nodeA)
There is no need to start listener on all hosts that are under cluster.
Anil
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тАО05-25-2005 11:12 PM
тАО05-25-2005 11:12 PM
Re: RAC problem if one node down
Right now, if nodeA fails, RAC_instance_pkgA fails, listener_pkgA failover on nodeB. When listener_pkgA starts on nodeB :
- vipA is activated on nodeB
- the command "lsnrctl reload listener_name" is executed on nodeB
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тАО05-26-2005 01:50 AM
тАО05-26-2005 01:50 AM
Re: RAC problem if one node down
As you configured RAC to work with listener failover, if you have more than two nodes, you MUST specify in what order you want listener to be reloaded in case of failover.
Just put in package.conf what nodes and what order you want:
NODE_NAME primary_node
NODE_NAME first_failover_node
NODE_NAME second_failover_node
...
Regards,
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тАО07-12-2005 04:57 AM
тАО07-12-2005 04:57 AM
Re: RAC problem if one node down
add apropriate remsh commands to the customer defined run commands section in your package control files so that ,
it does an remsh to other nodes and executes the listener reload commands .
Is this what you are looking for ?
Thanks BL.