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Full Discussion: copy to tape notworking
Top Forums Shell Programming and Scripting copy to tape notworking Post 32666 by Perderabo on Tuesday 3rd of December 2002 12:45:22 PM
Old 12-03-2002
Your main problem is the name of your tape drive. You can't get it a random name as you are doing. You didn't tell what system you are using so I can't tell you the name of your tape drive. But it is probably something like: /dev/rmt/0m. It will already exist and you can do an ls -l on it.

You cannot give the resulting tape a "name" like you can a disk file.

And switch back to a program like tar that is tape-drive aware. Don't cp to a tape drive.
 

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tcopy(1)							   User Commands							  tcopy(1)

NAME
tcopy - copy a magnetic tape SYNOPSIS
tcopy source [destination] DESCRIPTION
The tcopy utility copies the magnetic tape mounted on the tape drive specified by the source argument. The only assumption made about the contents of a tape is that there are two tape marks at the end. When only a source drive is specified, tcopy scans the tape, and displays information about the sizes of records and tape files. If a des- tination is specified, tcopy makes a copies the source tape onto the destination tape, with blocking preserved. As it copies, tcopy pro- duces the same output as it does when only scanning a tape. The tcopy utility requires the use of Berkeley-compatible device names. For example, example% tcopy /dev/rmt/1b /dev/rmt/2b ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWesu | +-----------------------------+-----------------------------+ SEE ALSO
mt(1), ioctl(2), attributes(5) NOTES
tcopy will only run on systems supporting an associated set of ioctl(2) requests. SunOS 5.11 10 Mar 2000 tcopy(1)
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