Re: [Xen-users] Dom0 log and disk space management

[Alexandre Kouznetsov <alk@xxxxxxxxxx>]

Hello.

El 03/01/13 09:23, John Buchanan escribió:
> We're running a handful of XCP 1.1 pools and have run in to situations
> wherein the local filesystem on the Dom0 control domain hits 100%
> capacity due to error logging in /var/log (daemon.log, messages,
> xensource.log, etc) thereby taking that host offline.  Twice recently
> we've run in to this, on two different pools, first due to the primary
> SR hitting capacity and secondly when memory was exhausted on the host.
As a long term solution, I may suggest 2 ways to deal with excessive 
logging:
1. Adjust logrotate configuration. By default, it rotates the log files 
and deletes the oldest ones. Make it keep the logs for less time.
2. Store your logs on a remote server instead of local filesystem. XCP 
uses sysklogd, apparently it can send logs to a remote server in a 
natural way:
http://www.cyberciti.biz/tips/log-all-logs-to-central-linux-unix-loghost.html

> My question is, how do others manage logs and such under these
> circumstances on Dom0?  The first obvious answer seems to be tweaking
> /etc/logrotate.conf, but I was wondering if there are better methods
> seeing as this is XCP and not a more conventional Xen on Linux install.
Both approaches i mentioned above has proven useful for me, individually 
and combined.
I have not used this on XCP server (yet), but it works on a regular 
Debian with rsyslogd.
--
Alexandre Kouznetsov


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