I'm actually quite surprised it even worked. It seems the polling binaries understood the parenthesis in the hostnames, but the code handling the housekeeping functions didn't like the parentheses in the directory names.

In general you should just maintain your infrastructure so that you don't need to use ip addresses.

This will make the eventual ipv6 transition somewhat easier. You don't want to be using those addresses when the brave new works comes around.

Adam.

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On 10 Dec 2020, at 05:22, Tasnim Tamanna <desideratasnim@gmail.com> wrote:
Hi Adam,

Problem solved :-)

Parenthesis was the culprit here, I have changed device naming convention to DeviceName_DeviceIP format .

On Wed, Dec 9, 2020 at 12:17 AM Adam Armstrong < adama@observium.org> wrote:
That's not a sensible format for a hostname.

Parentheses are not legal characters here.

Adam.

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On 8 Dec 2020, at 17:44, Tasnim Tamanna via observium < observium@observium.org> wrote:
Thanks Adam for your response, I'm checking on that.

Just wondering, if there is a script periodically running and doing this thing, should not it be the case of all devices? In my case, this is happening for all except one.

I should let you know, most recently, I have renamed all devices (except that one whose historical data is safe) in a format like this- " device_name(device_ip)". I had to work on /etc/hosts file for that. Could it be an issue?

Seeing no way out, I have deleted old rrd files today. 


On Tue, Dec 8, 2020 at 11:23 PM Adam Armstrong via observium < observium@observium.org> wrote:

The only way this can really happen is if you have a script that is periodically running and doing something horrible.

 

Have you configured the housekeeping scripts to run with incorrect settings?

 

/settings/section=housekeeping/ will show the config entry for rrd file max age.

 

Adam.

 

From: observium <observium-bounces@observium.org> On Behalf Of Tasnim Tamanna via observium
Sent: 08 December 2020 16:55
To: Observium <observium@observium.org>
Cc: Tasnim Tamanna <desideratasnim@gmail.com>
Subject: [Observium] Historical Data Graph

 

Everyday at a certain time, all historical graph data gets deleted. This is happening for all devices except one.

 

Can anyone tell what could be wrong?

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