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Top Forums UNIX for Dummies Questions & Answers Pulling a file off a backup tape Post 51702 by Perderabo on Friday 28th of May 2004 10:05:33 AM
Old 05-28-2004
find just produces a list of filenames. Take another look at the script. I'll bet it more like...

find <some stuff> | cpio <more stuff>

If so, then cpio is being used to create the tape. You will need to know the parameters to cpio in order to read the tape. For example, I'll bet that you're using -B in the cpio.

A good first step is to just read the tape and produce a list of filenames without trying to restore anything. In the simplest form, the command would be:

cpio -itv < /dev/tapedrive

but that probably won't work well because you are not matching the way it was written. It might really need:

cpio -itvB < /dev/tapedrive

Bear in mind that I don't know AIX so I don't know if your cpio is special. And all of this assumes that you are using cpio which may not be the case. We need more info from that script.
 

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rpm2cpio(1)							   User Commands						       rpm2cpio(1)

NAME
rpm2cpio - convert Red Hat Package (RPM) to cpio archive SYNOPSIS
rpm2cpio [file.rpm] DESCRIPTION
The rpm2cpio utility converts the .rpm file specified as its sole argument to a cpio archive on standard output. (See NOTES.) If no argu- ment is given, an rpm stream is read from standard input. In both cases, rpm2cpio will fail and print a usage message if the standard out- put is a terminal. Therefore, the output is usually redirected to a file or piped through the cpio(1) utility. EXAMPLES
Example 1: Converting an rpm file example% rpm2cpio Device3Dfx-1.1-2.src.rpm | cpio -itv CPIO archive found! -rw-r--r-- 1 root root 2635 Sep 13 16:39 1998, 3dfx.gif -rw-r--r-- 1 root root 11339 Sep 27 16:03 1998, Dev3Dfx.tar.gz -rw-r--r-- 1 root root 1387 Sep 27 16:04 1998, Device3Dfx-1.1-2.spec 31 blocks Example 2: Converting from standard input example% rpm2cpio < Device3Dfx-1.1-2.src.rpm | cpio -itv CPIO archive found! -rw-r--r-- 1 root root 2635 Sep 13 16:39 1998, 3dfx.gif -rw-r--r-- 1 root root 11339 Sep 27 16:03 1998, Dev3Dfx.tar.gz -rw-r--r-- 1 root root 1387 Sep 27 16:04 1998, Device3Dfx-1.1-2.spec 31 blocks ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWrpm | +-----------------------------+-----------------------------+ SEE ALSO
cpio(1), attributes(5) NOTES
rpm2cpio handles versions 3 and 4 RPMs. SunOS 5.10 20 Aug 2001 rpm2cpio(1)
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