a new (?) twist on filesystem backups

[ggs at ulysses.UUCP]

> I have been using cpio to save filesystems to move from a Sys V to a
> 4.3bsd.  I am happier with cpio than with tar; let's assume that I have
> to use cpio (I have the BRL Sys V cpio on 4.3).
> 
> As we know, cpio likes a list of files on standard input.  Problem is,
> people normally use find to generate that list, but it happily crosses
> filesystem boundaries.  How to generate a list of files on a filesystem
> for cpio?  find | grep -v?  No, ncheck!
> 
> 	Andrew Tannenbaum   Interactive   Boston, MA   +1 617 247 1155

Fine, but the 4.3BSD "find" has the -xdev option, which does what you want.

	find /usr -xdev -print | cpio ocB > /dev/rmtfoo

-- 

Griff Smith	AT&T (Bell Laboratories), Murray Hill
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