[OLUG] can we talk backups?

[Dean Fife]

John

There is a dump utility in Redhat. It is in the dump-0.4b4-11 rpm
package on Redhat 6.1.
The only problem I have with it is that Redhat does not know my DAT tape
drive so it miscalculates the length of tape needed to do a dump. So I
needed to mess with the "-B" option to calculate the number of tape
blocks per volume. Other than that it works the same.

Thanks...

Dean Fife
Compaq Computer Corporation

"Roger, John C NWD02" wrote:
> 
> I have a question on LINUX backups also.  Does anyone know if there is a
> dump or ufsdump or dump.ffs type utility for LINUX?  That is what I use on
> Solaris and other RISC systems here.  A good scheme would be to follow the
> modified tower of Hanoi algorithm that comes with most dump man pages.
> Start at level zero and do incremental from there.  The reason is I thought
> tar and cpio could not handle block special files so your backups would be
> inconsistent?  Maybe that is not true anymore.  Anyone know for sure?
> 
> Also does LINUX have a raw root type of device in it?  I used to use that
> device on MIPS RISC OS to do raw disk dumps using the dd command.  It was
> really nice dd if=/dev/rawroot of=/dev/rmt/ctape0 and the system would do a
> low level block dump of the root partition.  The beauty of this was if your
> system was hosed and dead on the boot disk you would boot a tape utility
> program from tape or disk and then dd the image back to the new disk.  In 5
> minutes tops your system would be restored and running again would a root
> image from the last save.  Really cool.
> 
> Appreciate any posts as always,
> 
> John
> 
> -----Original Message-----
> From: Mike McNally [mailto:mmcnally3 at prodigy.net]
> Sent: Wednesday, March 22, 2000 10:55 PM
> To: olug at bstc.net
> Subject: Re: [OLUG] can we talk backups?
> 
> The info tar information has some good stuff on using tar with options
> -g -N for making incremental backups.  I'm not sure whether I'll use
> that by itself or if I might have to use find and tar together.
> 
> Mike
> 
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