Zones image preview blank

[elmer]

Struggling with figuring this out, looking for some help. I've got a fresh 1.28.1 install on Ubuntu server 14.04. Everything appears to be working, I have a handful of cameras set up. However, when I try to configure a motion detection zone, I don't see an image of my video stream. Any ideas?

Here's some probably relevant info also. I've got the Events and Images directory configured correctly and it is able to write an image to that Images directory.

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user@Zoneminder:/media/storage/Zoneminder$ ls -l
total 8
drwxr-xr-x 5 www-data www-data 4096 Aug 25 13:37 Events
drwxr-xr-x 2 www-data www-data 4096 Aug 25 15:22 Images
user@Zoneminder:/media/storage/Zoneminder$ cd Images/
user@Zoneminder:/media/storage/Zoneminder/Images$ ls
Zones1.jpg  Zones3.jpg
user@Zoneminder:/media/storage/Zoneminder/Images$

[aaronl]

tail your syslog file while you open that page, see if it gives you any clues.
Aaron

[elmer]

This message hits the syslog as soon as I click "Add New Zone."

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Aug 25 15:58:46 Zoneminder zmu[3187]: WAR [Shared data not initialised by capture daemon, some query functions may not be available or produce invalid results for monitor Monitor-1]

[l80jas]

Have you added a new hard drive to store events / images ?
If so check the permissions on the new drive.

[bbunge]

Did you use these instructions?

http://www.zoneminder.com/wiki/index.ph ... e_easy_way

[elmer]

This is a new install. Yes I used that exact guide when setting it up. I suspected folder permissions could be the issue which is why I included the output of ls -l in my original post. I don't have a known good system to compare to. The system I had running was for my previous employer and I'm now trying to demo it at my current employer.
My Events and Images directories are on a separate drive. I created an fstab entry to mount /dev/sdb1 at /media/storage and created a subfolder Zoneminder with Events and Images subfolders below that. I ran:

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sudo chown -R www-data:www-data /media/storage/Zoneminder/Events

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sudo chown -R www-data:www-data /media/storage/Zoneminder/Images

Then under the Options -> Paths I entered those paths for Events and Images.

I'm aware of this guide:
http://www.zoneminder.com/wiki/index.ph ... Hard_Drive

I could create mount points for each folder if that'd help. But zoneminder is able to write out events and is properly updating the % of disk used as well.

[bbunge]

You may find it easier to set Ubuntu up an a single hard drive with LVM. Especially for a demo machine. That way you can add additional drives on the fly to increase storage.

bb