System Administration Guide, Volume 1

Choosing a Tape Device

The table below shows typical tape devices used for storing file systems during the backup process. Capacity depends on the type of drive and the data being written to the tape. For more detailed information on tape devices, see Chapter 47, Managing Tape Drives (Tasks).

Table 42-2 Typical Media for Backing Up File Systems



1/2-inch reel tape 

140 Mbytes (6250 bpi) 

2.5-Gbyte 1/4 inch cartridge (QIC) tape 

2.5 Gbytes 

DDS3 4-mm cartridge tape (DAT) 

12 - 24 Gbytes 

14-Gbyte 8-mm cartridge tape 

14 Gbytes 

DLTTM 7000 1/2-inch cartridge tape

35 - 70 Gbytes