UNIX System Management: Offline File storage

To complete this chapter, you can do the following things:

Storing files on tape using the TAR command

Use Find and Cpio to store files on tape.

Retrieving stored files using tar, and cpio

1 Storing files to tape

To store files to tape, first know the device files for the tape drive

A typical tape drive device file name is:

/dev/rmt/0m 9-track tape or DDS tape (old name)

/dev/rmt/c0t3d0best 9-track tape or DDS tape

To your http://www.aliyun.com/zixun/aggregation/13879.html "> The system administrator asks the device file name of the tape drive.

The commands for performing backups are:

Tar

Cpio

Users of UNIX systems often need to save files for backup to some removable media. Typically, backups are used with 9-track tapes or DDS-formatted digital tapes. This chapter describes the basics of how to back up data to disk or retrieve data from disk. Remember that your system administrator is usually only responsible for backing up the entire system; You should work with your system administrator on tape backup.

Note: The only way to recover a deleted file is to recover the data from a backup tape.