Best Way To Move Data via Rsync?

carlosinfl · 09-23-2009, 12:00 PM

I am getting ready to tear down a server and I need to pull a directory off the server which has massive data on it. The directory is /data on "server_old" I would like to move that data as fast as possible to "server_new" but am not sure the best way to do so. Should I scp the data over SSH? Do I do some kind of Rsync command with compression switch enabled so the data is compressed and then sent over ssh to the "server_new"?

Any advice is greatly appreciated!

Code:

[root@server_old ~]# df -hT
Filesystem    Type    Size  Used Avail Use% Mounted on
/dev/sdb1     ext3    396G  364G   12G  97% /data

prasanta · 09-23-2009, 12:42 PM

root@serverold:~#rsync -avzpl /data root@servernew:/

Do a man rsync. The best what I liked is that it preserves the user permissions along with the links.

Regards,

--
Prasanta

carlosinfl · 09-23-2009, 03:03 PM

Thanks for that. I will give that a shot. I spoke to a co-worker and they advised me to not use Rsync due to the fact that it will compress and encrypt the data which is extremely CPU and bandwidth intensive if you're just going from old_server ---> new_server on the same trusted network.

chrism01 · 09-23-2009, 08:04 PM

rsync is overkill for a one off, as your co-worker said, scp is sufficient. Although, for a one-off there may not be that much difference; scp will encrypt anyway. You may be able to turn compression off.