0 minute recording

Channels DVR Server
#1

I recently had a hard drive crash in my Synology NAS so I got a new drive and rebuilt it. I got the DVR up and running and I think it was working ok until I added a second drive and setup a SHR. Now most of my recordings are coming up as 0 minutes. I looked on the NAS and see that there are 2 files for the recordings I’m having issues with.

Example:
One is named normally and is only ~1 mb

Scorpion S04E09 2017-11-20 Its Raining Men of War 2017-11-20-2100

The second is named

Scorpion S04E09 2017-11-20 Its Raining Men of War 2017-11-20-2100_DiskStation_Nov-20-2100-2017_Conflict and is 5.5 gb

If I delete the show from the Recordings the smaller correctly named file is deleted and the conflict file still exists.

I can delete the small file from the File Station app on the NAS and rename the conflict file to the original file name and the video will play full length even though it still says it’s 0 minutes.

Is a SHR configuration supported?

#2

What is SHR?

#3

Synology Hybrid Raid. Raid 1 for dummies essentially.

https://www.synology.com/en-us/knowledgebase/DSM/tutorial/Storage/What_is_Synology_Hybrid_RAID_SHR

#4

Strange. I guess it’s not supported? Can you tell why DiskStation is making a copy of the file?

Any errors shown in the DVR Log?

#5

This sounds like a bug in Synology CloudSync

https://forum.synology.com/enu/viewtopic.php?t=117213

#6

Yeah, the only time I’ve seen those conflict files is from Cloud Sync. I’m going to guess you’re using Cloud Sync to backup your Channels directory? I back up my Channels with Cloud Sync too, but you should probably schedule it to only run at certain times (around 0200 is usually good unless you’re recording movies showing late at night/early morning) since it tries to back up once the file is created or modified. For something like Channels that is writing to that file constantly over 30 minutes to a few hours you’ll be constantly trying to upload the same file over and over and it’ll cause conflicts.

Also for the 0 minute display you can refresh the episode from the web admin portal to get it to display the right time.

#7

Cloud Sync is not a backup. It keeps files the same between two locations. So if your original file gets erased, the synced location will erase too.

I have never used this software and don’t intend to. There are too many horrible reviews of people running into sync issues, thinking their sync was a backup and losing all data, packages not running as they should due to conflicts, etc, etc. There are myriad great packages for making backups on a Synology, Cloud Sync is not one of them.

#8

Thanks for the info. I only installed Cloud Sync as a temporary way of doing a one-off back up of my files. The sector that had the DS OS on it failed so I copied my files to OneDrive so I could get the new drive setup. I need to get a full-time backup solution in place since CrashPlan is doing away with their individual plan and only doing enterprise.

I assumed it was SHR that started the issue because I had Cloud Sync running for a week or so before adding the second drive and setting up SHR without issues. I’ve disabled Cloud Sync and will see if the problem persists.

#9

snapshot replication is great to take regular snapshots of your whole volume. These are instantaneous, and use minimal drive space. You can revert any file to any previous time that you have a snapshot. You need a btrfs volume to use this tool though. I also use hyperbackup once a day to back up anything that is not TV recordings to an external drive. It does incremental backups and also works great.

#10

That’s just one setting. Mine is set up so that doesn’t happen.