/dev/shm goes 100% with no cameras

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Sigge
Posts: 95
Joined: Mon May 02, 2016 8:14 am

/dev/shm goes 100% with no cameras

Post by Sigge » Fri Jul 12, 2019 10:04 pm

Hi,

I am trying to set up a Zoneminder server on a orangePi running Armbian. Plan is to have a USB camera connected and add this server as a multiserver install to my main Zoneminder server.

But /dev/shm keeps getting full. Whatever I do. Just starting Zoneminder without any camera configured. What am I doing wrong?

Thanks,

Filesystem Size Used Avail Use% Mounted on
udev 940M 0 940M 0% /dev
tmpfs 202M 22M 180M 11% /run
/dev/mmcblk1p1 15G 1,8G 12G 13% /
tmpfs 1007M 1007M 0 100% /dev/shm
tmpfs 5,0M 4,0K 5,0M 1% /run/lock
tmpfs 1007M 0 1007M 0% /sys/fs/cgroup
xxxx@x.y.z.w:/var/cache/zoneminder/events 42G 11G 29G 27% /var/cache/zoneminder/events

Sigge
Posts: 95
Joined: Mon May 02, 2016 8:14 am

Re: /dev/shm goes 100% with no cameras

Post by Sigge » Sun Jul 14, 2019 12:04 pm

This is a multi server setup.

One server has all funktions.

The Pi has only the camera part.

What should ZM_SERVER_HOST point to? Always it self?

Thanks

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iconnor
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Location: Toronto
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Re: /dev/shm goes 100% with no cameras

Post by iconnor » Sun Jul 14, 2019 1:10 pm

ZM_SERVER_HOST Should be itself. Also has to match an entry in options -> Servers

If ZM_SERVER_HOST isn't set, it will try to run all cameras which will use up all /dev/shm.

Please note also that Orange Pi doesn't have all that much ram, so your image buffers and resolution will have to be sized accordingly.

Sigge
Posts: 95
Joined: Mon May 02, 2016 8:14 am

Re: /dev/shm goes 100% with no cameras

Post by Sigge » Sun Jul 14, 2019 8:29 pm

Thank you, I suspect this is the problem.

Using multi server Zoneminder with a opi doesn't really solve my problem. I just want to stream 3 USB cameras to the more powerful main server for motion detection. And that is the opposite of what multi server ZM is all about if I understand correctly.

Thanks

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