My Cloud to My Cloud- strange performance

My Cloud OS 3 Personal & Network Attached Storage My Cloud
1

Hi Everyone,

I’ve been searching on this forum whole day but couldn’t find an answer to my situation.
I have an old v2 3TB MyCloud with a lot of data that I am trying to transfer to my new 6TB v4 MyCloud.

The 3TB one was connected to a Gigabit switch and the performance was somewhat acceptable, over LAN connection I could get between 50-80MBps out of the 3TB MyCloud.

So I setup the new 6TB and downloaded the data from 3TB into the 6TB one via rsync.
The performance was roughly 3MBps.

Tried downloading a linux ISO to the new 6TB from public internet, got around 16MBps while connected to switch with every other NW device I have.

So I took the 6TB and connected it directly to my laptop, got my 50-80MBps over gigabit ethernet.

So I made sure both MyClouds were on the same switch,disconnected everything else but my laptop to manage/monitor, I set static IPs on everything and ran a bunch of test:

  • 3TB → 6TB rsync, somehow got up to 8MBps (probably killed some indexing processes before this step)

  • 3TB → 6TB scp again, 8MBps

  • ran smbclient on the 6TB and tried to download a file from the 3TB, ~ 28MBps

  • mapped both drives to my windows laptop, grabbed files in one window, dropped them in the other one = 50MBps (the data was flowing through my laptop, both in/out traffic on my NIC was ~50MBps)

Does anyone have a clue how is it that the fastest connection is traversing my laptop?
MyCloud <-> MyCloud connection is painfully slow.

2

While writing this I noticed that I always initiated the transfer FROM the new 6TB, and always downloaded files to it.

Will try to upload from the old one to the new one.

3

v2 firmware is the newer, gen2 device.
v4 firmware is the older, gen1 device.

Confused? Yeah, I don’t blame you…

My suspicion is that you may be suffering the relatively low performance of the MyCloud processor running rsync (depending on the rsync transfer mode you have selected). It’s possible that the Samba file server is less heavyweight, so, when the PC is handling the transfer (doing a simple file copy), you’re not restricted by the performance of the MyCloud CPU, or the overhead of a differential rsync.

1 Like
4

Thanks for the info.

When I “upload” from v2 to v4, I get
rsync & scp ~11MBps
smb ~57 MBps

so you are right, it does seem to be CPU ceiling of the v4.

Are these numbers something I should expect out of v4?

What is the “lightest” protocol to use when transfering large amounts of data?

Currently I’m basically moving a folder at a time via

smb: > prompt
smb: > recurse ON
smb: > mput *

which seems a little clunky