Re: monitor rac database services
- From: "Radoulov, Dimitre" <cichomitiko@xxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Fri, 17 Jun 2011 13:16:37 +0200
Hi,
a slightly improved version of the script:
http://dl.dropbox.com/u/6403467/rac11gr2_mon.pl
The script should be run as the GI owner or root, sample usage:
./rac11gr2_mon.pl -h /u01/app/11.2.0/grid -d rac11gr2
Where -h requires a grid home directory as an argument and -d the
database name.
I shut down one of the two nodes (rac001) on my test RAC where two
services are defined:
dss - preferred instances rac11gr21 and rac11gr22
oltp - preferred instance rac11gr21
This is a sample output:
[grid@rac002 stagearea]$ ./rac11gr2_mon.pl -h /u01/app/11.2.0/grid -d
rac11gr2
Instance rac11gr21 is not running on node rac001
Warning: preferred instance status for dss:
current: rac11gr22
defined: rac11gr21,rac11gr22
Service dss target mismatch on at least one instance:
target: ONLINE
state: OFFLINE
Warning: prefered instance status for OLTP:
current: rac11gr22
defined: rac11gr21
I'm sure there will be situations that are not handled correctly yet.
Regards
Dimitre
On 15/06/2011 18:20, Radoulov, Dimitre wrote:
Hi,
I don't think there is a straightforward way for retrieving this info.
I wrote a small Perl script using a test rac 11.2 with 2 nodes
running on my pc.
The script is definitely not production ready yet :)
When you have time you could try it and let me know if it's working
for you.
Regards
Dimitre
On 14/06/2011 16:10, D'Hooge Freek wrote:
Hi,
I'm currently bussy writing a perl check to verify the status of a
rac database service.
When the service is down, while the target status is "online" a
critical alert has to be given and when the service is running on an
"available" instance instead of the preferred instance a warning has
to be given.
I have written such a check in the past for 10gR2, but now I need
one for 11gR2.
As the output formats have changed a lot between 10.2 and 11.2, a
large part of the script has to be rewritten (also instances seems
to be not as tightly coupled to nodes in 11.2). So I was wondering
if there is a (supported) way to query the cluster registry without
depending on the output formats of srvctl / crsctl. Which does not
seem to be build for easy use in scripts.
Information I need to retrieve is which instances and services
exists for a database, what the available / preferred instances are
of a service, the current state and target of a service and on which
instance a service is currently running.
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