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Moving 5.5 TB of Files from old EX 4 to New EX 2 Ultra

Thanks to the EOL of the pre-OS5 devices, I just set up a new EX 2 Ultra on my home network. I am now faced with the task of trying to move 5.5 TB from one to the other without using a wireless Mac as the middle man, because that will take days.

My thinking was to enable FTP on the EX 4, then ssh into the EX 2 Ultra and just do a nice big get command. I tried to set up an FTP server on the EX 4 using the documentation provided here: My Cloud: Configure FTP Server Access

I followed all the steps exactly, and also checked both the port forwards for ftp. My thinking was to try to make the connection from my Mac as a test before trying to remote in to the EX 2 Ultra and do it there. My command to connect:

sftp admin@<ip_address>

I was met with the following response:

ssh: connect to host <ip_address> port 22: Connection refused

This is confusing to me because I thought ftp was port 21. So I tried using the -P flag to specify port 21. I got no error, but I also got no output at all; had to ctrl-c to get back to a command prompt.

The logs on the device for FTP show only me enabling and disabling the server. There is also a line about FTP from a different IP (I assume this is the internal IP of my Mac) and the word “Logout”. I assume this means that forcing the connection port 21 with the -P flat succeeded and the ctrl-c that I used when it apparently froze was registered, but beyond that I’m stuck.

I have some basic *nix experience but I’m not close to a pro level admin. Any suggestion would be welcome. I’m by no means married to using the method I described above - it’s simply the first thing that occurred to me - but as both the WD devices have a wired connection to the network, and the Mac doesn’t, I would really prefer to avoid using it as a middle man if possible.

Thanks!

I am no SSH / FTP expert BUT. . .

. . .Can’t you specify the FTP port in both OS/3 and OS/5? Verify the setting. :slight_smile:

. . . in the Windows world. . .there is a SSH terminal program with graphical interface call WinSCP. Wonder if there is something like that in Mac world.

. . .if you MUST use a man-in-the-middle. . .get a USB ethernet adapter (relatively cheap) which would give you wired speeds through the USB port (I have a USB hub that has ethernet port. . .works nice!)

I did some searching - there is no Mac equivalent to WinSCP.

I also tried specifying a different port for the server. When I used the -P switch for my self-selected port I got the results - it just appeared to hang with no output until i hit ctrl-c.

When I moved from EX2 to EX2ultra I only had to do a restore from the EX2 WD mybook USB external disk to the EX2Ultra using the USB Backup app.

I would thing the WD Remote backup app may work for you - but I have not tried the new version.

also The termius app may be of some help -I think the new version may sync data with their 14 day trial account- I only have the IOS version just for SSH

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