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no reports because of full root disk - workaround

list Christoph Zechner
Fri, 22 Oct 2021 09:47:30 +0200
Message-Id: <user-d99966b191e7@xymon.invalid>

Hi,

a while ago, we encountered a rather annoying problem: if the root disk of our Linux servers got full between two xymon checks, we were not notified, because xymon was not able to report this, due to to remaining space. It did not matter whether the machine was in xymon local mode or not (we wanted to be sure).

We then found a workaround for this problem:

* creating a ramdisk (10 MB should suffice)
* mount it as /var/lib/xymon/temp (unlike "tmp" originally)
* change the tmp location in xymonclient.cfg
* restart xymon-client

This allows the system to send reports even if the root disk is completely full and there's no need for repartitioning or adding other disks.

Any thoughts about that? Are there any repercussions I did not think about? I'd love to hear your opinions.

Thanks in advance!

Cheers
Christoph