Number of cameras

Alberto · Post by **Alberto** » Fri Dec 11, 2009 7:35 am

Hi. I have a problem. I have a server configured with Zoneminder and works very well but I can not see all the cameras. From the camera number 12, I can not see the cameras. Is there any restriction to configure more than 12 cameras? If there is, is there any way to remove this restriction?

Thx

coke · Post by **coke** » Fri Dec 11, 2009 4:03 pm

I have 24 on one of my servers, soon to be 36 or so, using 1.24.1, so I'd vote no on the "limit of 12".

What do you mean by not being able to see them? Are they listed but red? If that's the case, try increasing your shmax value, if you search the forum you'll find a bajillion posts relating to that.

johnnytolengo · Post by **johnnytolengo** » Fri Dec 11, 2009 9:10 pm

Do you have 24 cameras working on ZM? which HW are you using ?

do you have ip cameras or analog?

which quality of video are you using? megapixel?

thanks.

J.

coke · Post by **coke** » Mon Dec 14, 2009 12:12 am

Loosely, I have 1 analog, 5 acti megapixel, 3 axis megapixel, 16 axis 640x480's, and another 9 axis mepixels sitting on a shelf waiting to be added.

Core 2 Quad, 2.4ghz, 8 gigs of ram, 11 terabytes of drives.

Alberto · Post by **Alberto** » Mon Dec 14, 2009 6:18 am

Well, I have a dedicated server with debian each. It's a dual core with 8 gb ram 500 GB HD ...
all cameras are IP. Axis. Megapixel quality.

Post by **cordel** » Mon Dec 14, 2009 6:53 am

possible issues that come to mind are:

Server could be overloaded not allowing all the processes to run.

Browser limits are not set high enough as described in the FAQ.

Bandwidth on network might be exceeded. You have not mentioned whether this is over a LAN or WAN.

Use top for the first two points, if the load is acceptable with montage open, do you see more than 12 zms processes? If not then the browser is likely limiting how many open connections there are and not trying to open any more. If there is indeed more than 12 processes I would guess that maybe you have not enough bandwidth.

Alberto · Post by **Alberto** » Mon Dec 14, 2009 7:04 am

First, thank you for your response.
It is a LAN, the mozilla browser, I got it open, according to a tutorial on this page.
Did not know what to do?

Post by **cordel** » Mon Dec 14, 2009 7:19 am

With montage open:
is the load on the server high?
how many zms processes are there?
how many monitors do you see compared to the number of zms processes?

Alberto · Post by **Alberto** » Mon Dec 14, 2009 7:30 am

Charge: 9.97 / Disco: 13%
It is like watching ZMS processes with the ps command is nothing I zm

Post by **cordel** » Mon Dec 14, 2009 7:39 am

Your server is way under powered for the configuration you have set in ZM. Lower your capture rates or reduce your image sizes or a combination of both. Or else you will need to get a much stronger server. Your load should not exceed 2.0

Alberto · Post by **Alberto** » Mon Dec 14, 2009 7:49 am

Do you know any site where there is manual configuration ZM? What I found has always been an installation manual.
It's a dual core 2.6, with 8 gb of ram and 500 gb of hd. It is a new server, should have no performance problems.
If anything happens to you, please contact me at jatrancoso@mundoantena.com

Thank you very much.

Post by **cordel** » Mon Dec 14, 2009 8:05 am

If these are indeed mega pixel IP cams, and running at full frame rate with motion detection enabled in ZM, then yes it is overloading the servers abilities.

Try limiting the fps in the cameras to 5 fps each and see if that brings the load down below 2.0.

Alberto · Post by **Alberto** » Mon Dec 14, 2009 8:19 am

You're right, limited to 5 fps each camera I have a load of 2.49. How is that not enough? Now you should see all the cameras?

A greeting.

Alberto · Post by **Alberto** » Mon Dec 14, 2009 8:54 am

One detail that I have not commented, the cameras are not, they appear with an "x" in the corner, as when an image is not in the browser ..
Any ideas?

Post by **cordel** » Mon Dec 14, 2009 9:02 am

http://www.unix.com/unix-dummies-questi ... erage.html
should explain enough to understand the load values.