[Linux-cluster] Meaning of "service"
Troels Arvin
troels at arvin.dk
Sat Apr 22 14:44:48 UTC 2006
Hi,
Setup: Two-node RHEL 4-based fail-over cluster.
The cluster runs several daemons which are dependent on each other:
httpd: serves static content, and acts as a front-end to Tomcat
tomcat: handles servlets, etc; depends on postgresql
postgresql: database for servlets run by tomcat
The daemons all use a shared storage area (SCSI-box separate from the
servers, connected by SCSI cables) for data and logging. The daemons have
init-scripts which are specified in system-config-cluster.
Should I set this up as
a) one Cluster Service,
b) as three different Cluster Services?
If a:
How do I specify that the postgresql script should be run before the
tomcat script?
If b:
How do I specify that the postgresql service should be started before the
tomcat service?
--
Greetings from Troels Arvin
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