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Full Discussion: Backup Tape Size
Operating Systems Solaris Backup Tape Size Post 302581275 by DGPickett on Monday 12th of December 2011 03:00:43 PM
Old 12-12-2011
Well, it all depends on who wrote what to the backup tape. Then, do you mean individual files or all files as put on tape, and that could be compressed or uncompressed. The tar tv options is nice for seeing files on a tar archive.
Code:
$ tar tjvf- Bugs/4339.tar.bz2
drwxrwxr-x dpickett/dpickett 0 2011-12-09 09:34 Bugs/4339/
-rw-rw-r-- dpickett/dpickett 7569 2011-12-09 09:34 Bugs/4339/slave-recover-logs.txt
-rw-rw-r-- dpickett/dpickett 1054 2011-12-08 15:29 Bugs/4339/launch-job-console-log.txt
-rw-rw-r-- dpickett/dpickett 9395 2011-12-08 15:26 Bugs/4339/server-recover-logs.txt
-rw-rw-r-- dpickett/dpickett 38888 2011-12-07 17:09 Bugs/4339/prom_error_logs.txt
$

 

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LEARN ABOUT SUNOS

tcopy

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 5.10							    10 Mar 2000 							  tcopy(1)
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