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[fta]

I have had this issue as well...it occurs more often than every 20 minutes for me.

My camera overwrites a file via ftp every 2 seconds, and many times the new picture will be incomplete (gray bars covering half the photo) or just will not exist (0 bytes).

[Francewhoa]

Confirming this issue with DCS-5222L, details at http://forums.dlink.com/index.php?topic=56622.0

[acellier]

Meanwhile, our cameras continue bliviting predominately on the 20-minute mark:
<url> http://smg.photobucket.com/user/acellier/library/zero-bytes   </url>

[acellier]

Meanwhile, our cameras continue bliviting predominately on the 20-minute mark:
<url> http://smg.photobucket.com/user/acellier/library/zero-bytes   </url>

... Fingers crossed, we have not seen one of these zero-byte files in the 10 days since installing the latest firmware ...

[acellier]

we have not experienced a "zero-byte" file since installing the new firmware 3 weeks ago.

And, I finally had time to check out the (motion detection triggered) ftp frame rate (/interval) controls in the 1.09 firmware.
The controls now work!
I tried setting for 1,2, or 3 fps; or 2 second intervals - all work at long last.
This is with a remote (across the continent) ftp server.

Also.

[Francewhoa]

Thanks for the update acellier

Still no new firmware available for DCS-5222L hardware revision A3. I just posted an update about that at http://forums.dlink.com/index.php?topic=56622.msg226306#msg226306

[Francewhoa]

Thanks JavaLawyer

[Francewhoa]

JavaLawyer, we just tried firmware update_DCS-5211L_DCS-5222L_1.11_2825.bin that was upload today, confirming it does not fix the issue. FTP filesize are still always zero. Details at http://forums.dlink.com/index.php?topic=56622.msg226318#msg226318

[JavaLawyer]

JavaLawyer, we just tried firmware update_DCS-5211L_DCS-5222L_1.11_2825.bin that was upload today, confirming it does not fix the issue. FTP filesize are still always zero. Details at http://forums.dlink.com/index.php?topic=56622.msg226318#msg226318

Thanks for the upate.  If you noticed I pulled my original post a minute or so after posting, but it looks like you immediately read and downloaded the FW -- you were too quick for me! 

[acellier]

    Oops - in mid and late January, we reported that the new firmware seemed to have fixed the 0-byte (zerobyte) problem. Maybe not quite ...
    During recent weeks we have been working with setup for some additional cameras (DCS-930L, DCS-931L, to a different server), and we saw occasional zero-byte files, that we attributed to breaking connections, resetting, etc.
    But, in the last several days we have had a number of these incomplete ftp transfers at times that this reconfiguration was not going on, including today (16 Feb) when we were not home.
    A difference is, the new 0-byte transfers seem NOT to be occurring coincident with 20-minute epochs.
    First set - 2 DCS-930L, 1-DCS-932L, same old server "A"
http://smg.photobucket.com/user/acellier/media/zero-bytes/2014-02-14to02-16.jpg.html
    Second set - 2 DCS-930L, 1-DCS-931L, new server "B"
http://smg.photobucket.com/user/acellier/media/zero-bytes/2014-02-16.jpg.html
    [In these photos, the camera time is PST; server time usually shows EST, sometimes PST]

[acellier]

Continuing to collect zero-byte jpg files, due to uncompleted upload transfers to the server across the country.
As with most since the January firmware updates, no longer occurring primarily at 20-minute epochs.
I think this proves that the firmware is at fault, just has a new fault mode now.

We had a really big glut of zero-byte files during mid-February, but don't see any correlation with the error characteristics or numbers, though we upgraded our router from WNDR3700 to R7000 about 08 Feb. - we excluded the transition days from the records.

Here's the scorecard so far:
<url> http://smg.photobucket.com/user/acellier/library/zero-bytes </url>

Anybody else getting these?

[deenlink]

In my case, the ftp server had no space left.  That is why the files were of zero length - they basically were incomplete transfers.