Enabling data-safe mode

Beginning with version 1.3.0, IBM Spectrum Archive Single Drive Edition supports data-safe mode. Data-safe mode is a feature that protects user data by preventing data overwrite situations. When this feature is enabled, the tape drive issues an error after it receives a command to overwrite any data on the currently mounted volume. Data-safe mode is a drive-specific behavior and can be enabled each time that a tape is mounted. It can be disabled only when a tape is not mounted.

To enable or disable data-safe mode, specify the scsi_append_only_mode option by using the ltfs command. The scsi_append_only_mode=on option enables the feature, which is the default setting. The scsi_append_only_mode=off option disables the feature. For more information, see ltfs.