Date: Sat, 06 Jul 1996 16:14:20 +0200 From: "Julian H. Stacey" <jhs@freebsd.org> To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) Cc: freebsd-current@freebsd.org (FreeBSD-current users) Subject: Re: Which tools can back up inodes with 32bit minor numbers ? Message-ID: <199607061414.QAA23586@vector.jhs.no_domain> In-Reply-To: Your message of "Tue, 02 Jul 1996 09:28:03 %2B0200." <199607020728.JAA11042@uriah.heep.sax.de>
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Hi, Reference: > From: J Wunsch <j@uriah.heep.sax.de> > As Julian H. Stacey wrote: > > > Which if any utils. are available for use in a script to do local backup of > > directories that have 32bit minor /dev numbers ? Any ? None ? > > dump: > > doesnt accept a directory specifier of /dev (I dont want whole FS archive - d) > (You will get /dev into a separate file system anytime soon. But i > doubt you will have any need to include it into a backup then. :-) One can run MAKEDEV to rebuild standard stuff, but after working away at /dev & various other dirs. with various ports & private stuff, EG fax + uucp + slip + getty etc, it's nice to be able to make a complete backup of a working system. > cpio works, with the ``newer'' formats (-H crc, -H newc) Thanks ! Just the (in man/ undocumented) magic I needed :-) Could you consider applying: *** old/src/gnu/usr.bin/cpio/cpio.1 Sat Jul 6 15:52:44 1996 --- new/src/gnu/usr.bin/cpio/cpio.1 Sat Jul 6 15:56:44 1996 *************** *** 198,203 **** --- 198,205 ---- .IP newc The new (SVR4) portable format, which supports file systems having more than 65536 i-nodes. + This format supports devices with 32 bit minor numbers, + (such as are found in FreeBSD 2.2). .IP crc The new (SVR4) portable format with a checksum added. .IP tar Also, perhaps we should s/GNU/GNU (& thus FreeBSD etc)/ in the (formatted) chunk: The new ASCII format is portable between different machine architectures and can be used on any size file system, but is not supported by all versions of cpio; currently, it is only supported by GNU and Unix System V R4. The crc format is like the new ASCII format, but also contains a checksum > You forgot: > pax: ..... I'm conservative, I don't use pax ;-) (far as I know, it's just a new wrapper, not on many commercial Unixes, for formats also available by tar & cpio, & I have enough trouble remembering cpio parameters). Julian -- Julian H. Stacey jhs@freebsd.org http://www.freebsd.org/~jhs/
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