
Backing Up and Archiving to Tape with Amanda
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d41d8cd98f00b204e9800998ecf8427e /dev/sr0
amy@desk12:~$
The checksum from the MD5 program is the 32-character hexadecimal part. If it is
not the same for both the ISO image file and the contents of the CD-R drive, the
recording is defective.
A failed recording is derisively called a “coaster.” You can use it to protect your cof-
fee table from unsightly rings, but unlike a real drinks coaster, it’ll explode into a
shower of sharp fragments and sparks in a microwave.
When a write to disc fails, try in turn:
1. Repeating the recording with another blank disc
2. Recording at a slower speed
3. Using a different batch or different brand of blank discs
If failures persist, you may have a defective recording drive.
Backing Up and Archiving to Tape with Amanda
Tape is still a popular backup medium. The Advanced Maryland Automated Net-
work Disk Archiver (Amanda) is an open source package that manages tape back-
ups. Developed at the University of Maryland, it’s included in many distributions of
Linux, including Debian. Amanda’s features include:
• The use of traditional Unix backup formats such tar and dump
• Operation over a LAN, backing up client data to a central tape server
• Support for backing up Windows clients via file shares
• Support for standard tape devices and many tape changers, jukeboxes, and
stackers
• Ability to balance full backups over a multi-day ...