I just got myself up and running with unRaid and I'm having a speed issue. 

 

I am trying to copy a few movies from my cache drive share "complete" to my array share "movies".

 

I have used a Windows VM in the past to copy over files and rename them with no issue. It seems I cannot copy these files from my "complete" to the "movies" at anywhere above 5-8MB/s. Most troubleshooting I've looked up are issues with wiring and transferring over the network capping at 10/100 but that shouldn't be my issue copying internally from cache --> array.

 

I tried to ssh in and run rsync. I assume I should be using the paths through /mnt/user/ but rsync seems to copy at >100MB/s but then drops all the way down to 5-8MB/s.

 

I'm not sure what can be causing this, I stopped Plex and all dockers thinking others were trying to write to drive at the same time but nothing.

 

Why would these give me issues when I transferred at >100 before?

Thanks I needed something like this! I tried Krusader and it seems to have the same issue rsync did, it spikes up transfer speeds of  >100 then drops down to ~7 for the remainder with a few spikes up to the 40s for a couple of seconds.

Post up your diagnostics file.  'Tools'   >>>>  'Diagnostics'    That will provide some real meat for the Gurus to look at to help solve your problem. 

 

Also, speed depends on file size.  Small files have a lot of overhead with file creation, space allocation, time to re-position the heads, etc.  Fastest speeds are achieved with large files--- like 30GB BluRay iso.'s. 

See also this thread

 

https://forums.lime-technology.com/topic/56311-633-mover-is-unbelievably-slow/#comment-551336

 

Using "reconstructive write" and "direct i/o" will give maximum mover speed from cache to array. But "reconstructive" write will spin up all array drives instead of just parity+one disk. Direct i/o might require some dockers to run in priviledged mode or alternatively changing the mapping of docker paths to something other than "mnt/user" or "mnt/user0".

Thanks for all the reply after reading a lot and doing some testing it seems my best best for me is the Dolphin docker. It has moved things super quickly without me having to get into anything to complicated. Thanks!