This is all theory because I have never used DMDE, but read about its features (sounds like a powerful tool). This is my idea to get the files back to the HDD and make it work into the DVR: delete the partitions on the original 500 GB HDD and connect it to the Lorex DVR, let it format the HDD, turn the DVR off, connect the HDD back to my PC, and use the DMDE disk editor to overwrite the same files that are located on the partition from my backup. MiniTool Partition Wizard can see the same file structure - 128 MB (134,217,728 bytes) IFS files and again the SPARE.IFS file (24.3 MB - 25,526,272 bytes), all of them on FAT32 (it can fit more 128 MB IFS files on 1TB as expected).
#IMM5 FORMAT PC#
Then I turned the DVR off and connected the HDD to my PC right away. I erased the partitions on another 1TB HDD and connected it to the DVR, first thing the DVR does is formatting the HDD properly. Here is my situation: the Lorex DVR cannot access the 500 GB HDD due to a power failure (it shows cross-link errors) but anyway I recovered the IFS files before trying to mess up with the HDD data. Specs show it records using the h.264 format, but got no luck trying to convert the MBXXXXX.IFS files. I am trying to retrieve video from a Lorex L23WD800 DVR and it has the same file arrangement (starting with MB00000.IFS), it finally ends with a SPARE.IFS file. Hello! This is my first post on the forum. Thank you in advance for your help and suggestions. Viewing in WinHex displays "BMNI" ASCII information right at the file's beginning.
Here's the Dropbox link that contains one of the recovered files. What I do know, is that the DVR encodes in H264 format - and it most probably uses IMM5 or IMM6 codec (as it returns this codec as required when trying to connect to it via RTSP stream). I guess I should search for known file headers inside the file, the problem is - I do not know details. I don't know where to go further with it. that there have to be appropriate video file headers inside the files (if not, what would be the reason of having >150 deparate multi-MB files?) As I said, the HDD contains ~20 mins of recording, so these can't merely be recordings - the filesystem rather reserves all available space for them.
#IMM5 FORMAT ARCHIVE#
that these are archive files and were created in the moment of HDD format.
#IMM5 FORMAT FULL#
Said HDD is full of 128-MB hidden files named MB00000.IFS,MB00001 etc. DMDE informed me that the filesystem is FAT32 (not surprised here, as it was properly detected under Win) - and displayed complete filesystem of the DVR. Running DMDE uncovered extra bit of information, i.e. The HDD is recognized properly in Win7 (however without displaying its size and used space, merely displaying its name and 0/0Bytes information). What I've managed to do already was to connect a 2TB HDD to the DVR, format it via said device - record video on it for a few minutes, power off the device and reconnect the HDD to a PC. I have a DVR manufactured by ITX security and I'm trying to extract recordings from its HDD. I would like to ask for your help and advice
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