Disk usage still growing

[essup]

Hello,
i'm using ZM 1.22.2 for a few months now for the company i work for. I use the following filter:

IF date <= -31 days
OR disk usage => 80 %
then automatically delete all hits

The disk usage is at ~70% and still growing ~1% each day. The event button just shows all events in this time space (30 days). But ZM still eats up all my hdd space!

[zoneminder]

You filter says that if you have over 80% used or the events are over 31 days then clear up, but then you say you only have 70% used and all your events are less than 30 days? So I'm not sure which events you are expecting to be deleted.

[essup]

Mhm ... right.
Actually i want all entries beeing deleted which are older than 30 days. But if these events in the last 30 days take up more than 80% disk usage the latest entries should be deleted, until disk usage goes <80%.

[zoneminder]

The disk space calculation is just how full your disk is. It cannot calculate how much of your disk is taken up by a particular group of events unfortunately.

[essup]

ok, i understand.
so ... but this still is strange. ZM is running for a couple of weeks now and each day the disk usage grows ~1%. The filter has been set some weeks ago (so this is not the first month were this filter comes in to play), so i assume the disk usage should stop at a specific percent usage e.g. 75%, but it doesn't. I took a look in the folder where the events are saved and everything seems to be as it should be, meaning: there aren't any old events saved on the disk.
If anyone got an idea please let me know, thank you.

[essup]

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Is there a possibility to run filters only if the system load is low/the cameras are not in record state? (zm doesn't record events during day, just at night)

thx in advance

[zoneminder]

Not currently. However allowing a check on system load, in the same way you can check for disk space, seems sensible so I will add it in.