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hacmp and disaster recovery question
Post 302346051 by zxmaus on Thursday 20th of August 2009 11:43:18 PM
08-21-2009
Moderator
Hi Bakunin,
many thanks for your reply. I was not thinking about an automated DR system at all since the SAN team needs to failover the SRDF anyway in this case - on request. I am rather interested if I could bring up the storage afterwards on the idle system in a non-clustered scenario (read: a normal single node) or if the storage expects a cluster on the other site too, to come up properly and allow me to manually mount the filesystems and bring up the databases. I cannot see any reason why it should not work but as stated in another thread - I have no experience at all yet with hacmp - so rather be safe than sorry
Probably I just have to try it ...
Many thanks and kind regards
zxmaus
many thanks for your reply. I was not thinking about an automated DR system at all since the SAN team needs to failover the SRDF anyway in this case - on request. I am rather interested if I could bring up the storage afterwards on the idle system in a non-clustered scenario (read: a normal single node) or if the storage expects a cluster on the other site too, to come up properly and allow me to manually mount the filesystems and bring up the databases. I cannot see any reason why it should not work but as stated in another thread - I have no experience at all yet with hacmp - so rather be safe than sorry
Probably I just have to try it ...Many thanks and kind regards
zxmaus
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LEARN ABOUT OPENSOLARIS
clinfo
clinfo(1M) System Administration Commands clinfo(1M) NAME
clinfo - display cluster information SYNOPSIS
clinfo [-nh] DESCRIPTION
The clinfo command displays cluster configuration information about the node from which the command is executed. Without arguments, clinfo returns an exit status of 0 if the node is configured and booted as part of a cluster. Otherwise, clinfo returns an exit status of 1. OPTIONS
The following options are supported: -h Displays the highest node number allowed to be configured. This is different from the maximum number of nodes supported in a given cluster. The current highest configured node number can change immediately after the command returns since new nodes can be dynami- cally added to a running cluster. For example, clinfo -h might return 64, meaning that the highest number you can use to identify a node is 64. See the Sun Cluster 3.0 System Administration Guide for a description of utilities you can use to determine the number of nodes in a cluster. -n Prints the number of the node from which clinfo is executed. EXIT STATUS
The following exit values are returned: 0 Successful completion. 1 An error occurred. This is usually because the node is not configured or booted as part of a cluster. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
attributes(5) SunOS 5.11 12 Mar 2002 clinfo(1M)