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|System Administration Guide: Devices and File Systems Oracle Solaris 10 1/13 Information Library|
Here is information that you should know before you copy files to tape with the tar command:
You can use file name substitution wildcards (? and *) as part of the file names that you specify when copying files. For example, to copy all documents with a .doc suffix, type *.doc as the file name argument.
You cannot use file name substitution wildcards when you extract files from a tar archive.
$ tar cvf /dev/rmt/n filenames
Indicates that you want to create an archive.
Displays the name of each file as it is archived.
Indicates that the archive should be written to the specified device or file.
Indicates the files and directories that you want to copy. Separate multiple files with spaces.
The file names that you specify are copied to the tape, overwriting any existing files on the tape.
$ tar tvf /dev/rmt/n
For more information on listing files on a tar tape, see How to List the Files on a Tape (tar).
Example 21-2 Copying Files to a Tape (tar)
The following example shows how to copy three files to the tape in tape drive 0.
$ cd /export/home/kryten $ ls reports reportA reportB reportC $ tar cvf /dev/rmt/0 reports a reports/ 0 tape blocks a reports/reportA 59 tape blocks a reports/reportB 61 tape blocks a reports/reportC 63 tape blocks $ tar tvf /dev/rmt/0
$ tar tvf /dev/rmt/n
Lists the table of contents for the files on the tape.
Used with the t option, and provides detailed information about the files on the tape.
Indicates the tape device.
Example 21-3 Listing the Files on a Tape (tar)
The following example shows a listing of files on the tape in drive 0.
$ tar tvf /dev/rmt/0 drwxr-xr-x 0/0 0 Jul 14 13:50 2010 reports/ -r--r--r-- 0/0 206663 Jul 14 13:50 2010 reports/reportC -r--r--r-- 0/0 206663 Jul 14 13:50 2010 reports/reportB -r--r--r-- 0/0 206663 Jul 14 13:50 2010 reports/reportA
$ tar xvf /dev/rmt/n [filenames]
Indicates that the files should be extracted from the specified archive file. All files on the tape in the specified drive are copied to the current directory.
Displays the name of each file as it is retrieved.
Indicates the tape device that contains the archive.
Specifies a file to retrieve. Separate multiple files with spaces.
For more information, see tar(1).
$ ls -l
Example 21-4 Retrieving Files on a Tape (tar)
The following example shows how to retrieve all the files from the tape in drive 0.
$ cd /var/tmp $ tar xvf /dev/rmt/0 x reports/, 0 bytes, 0 tape blocks x reports/reportA, 0 bytes, 0 tape blocks x reports/reportB, 0 bytes, 0 tape blocks x reports/reportC, 0 bytes, 0 tape blocks x reports/reportD, 0 bytes, 0 tape blocks $ ls -l
The names of the files extracted from the tape must exactly match the names of the files that are stored on the archive. If you have any doubts about the names or paths of the files, first list the files on the tape. For instructions on listing the files on the tape, see How to List the Files on a Tape (tar).