[Linux-cluster] Centralized Cron
mwill at penguincomputing.com
Tue May 9 15:03:54 UTC 2006
Or use cron on the headnode to submit jobs to the clusterscheduler if that does not support recurring timed jobs...
From: Harald Kubota [mailto:hkubota at gmx.net]
Sent: Tue May 09 07:53:08 2006
To: linux clustering
Subject: Re: [Linux-cluster] Centralized Cron
saju john wrote:
> Is there any way to make a centalized cron
at work (more clusters, all Veritas though) we use autosys, which is
a program scheduler to start programs on other machines.
cron jobs are for jobs which are for each node (e.g. sending a health status
to a central server once a day), thus bound to a physical machine.
autosys is for everything which can move (cluster service groups, e.g.
a DB cleanup job on the node which runs the DB). Since each
service group has its own IP address and DNS entry, autosys simply connect
to that IP address and executes a script (and does more like checking the
status, handling timeouts, sending out alarms if anything went wrong etc.).
Since autosys is commercial software and required quite some infrastructure,
a simpler approach is to set up one machine (maybe cluster it ;-)
which starts jobs on other machines according to a list it maintains.
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