faster rsync of huge directories

[guy keren]

Nadav Har'El wrote:
> On Tue, Apr 13, 2010, Tom Rosenfeld wrote about "Re: faster rsync of huge directories":
>>> By the way, while "cpio -p" is indeed a good historic tool, nowadays there
>>> is little reason to use it, because GNU's "cp" make it easier to do almost
>>> everything that cpio -p did: The "-a" option to cp is recursive and copies
>> ...
>> While we are on the topic, I use cpio because I am also "historic" :-) In
>> the past I had to do similar  copies on diff versions of *NIX (even before
>> rsync was invented!)
> 
> That's ok, because I am also "historic" :-) which explains why I even heard
> of cpio (nowadays the only people who are likely to have even heard this
> name are developers of RPM tools...).

as well as sys admins/kernel developers - the initrd file on (some?) 
linux distributions is a gziped cpio file (at least on RHEL 5.X)

--guy