On 05/17/2017 12:03 PM, ken wrote:
An entire filesystem (~180g) needs to be copied from one local linux
machine to another. Since both systems are on the same local subnet,
there's no need for encryption.
I've done this sort of thing before a few times in the past in
different ways, but wanted to get input from others on what's worked
best for them.
One consideration is that the source filesystem contains quite a few
hardlinks and symlinks and of course I want to preserve these, and
preserve all timestamps and ownerships and permissions as well.
Maintaining the integrity of this metadata and the integrity of the
files themselves if of course the top priority.
Speed is also a consideration, but having done this before, I find it
even more important to have a running progress report or log so I can
see how the session is proceeding and approximately how much longer it
will be until finished... and too to see if something's hung up.
One other consideration: There isn't much disk space left on the
source machine, so creating a tar file, even compressed, isn't an option.
What relevant methods have you been impressed by?
I use rsync for such work. It is good at maintaining hard and sym links
and timestamps. It can give you a running progress as well.
One thing I have learned is that crud happens and I loose my local
session for some stupid reason or another, thus I often run rsync in a
screen shell that I can easily reconnect to.
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