DNS troubleshooting and log rotation

[Mathias Koerber]

On Thu, 17 Feb 2000 srp336 at my-deja.com wrote:
| 
| Also...can a running name server daemon be given some sort of signal to
| get it to rotate its logs to log.0, log.1, etc. and open a new current
| log? Do I need to stop and restart the daemon for that?

You can set in the config file a size-limit for each logfile, and BIND
will automatically rotate it. You can also specify how many versions
it is to keep.

If you want to specifi a log-file rotation immediately (eg
exactly at midnight etc), you can do this:
	# mv log.3 log.4
	# mv log.2 log.3
	# mv log.1 log.2
	# mv log.0 log.1
	# mv log log.0
	# ndc reload

As the logfile does not longer exist under the name, a reload will create
a new logfile.

I did ask (as part of our Bronze support contract) to provide a faciliy to
*only* closes/reopenes logfiles without the added overhead of a reload to 
facilitate this a bit better.  Hopefully it will make it into BIND-9.

It gets more complicated if you GZIP (or otherwise compress) the logfiles,
so they no longer conform to the naming scheme BIND expects....

regards

| 
| Thanks!
| 
| Steve Pfister
| srp336 at optimum.com
| 
| 
| Sent via Deja.com http://www.deja.com/
| Before you buy.
| 

Mathias Koerber	  | Tel: +65 / 471 9820    |   mathias at staff.singnet.com.sg
SingNet NOC	  | Fax: +65 / 475 3273    |            mathias at koerber.org
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