Use obtar -zz to display all labels on a volume.
obtar -zz [ -f device ]
You can specify a number of options with obtar -zz; this section describes the option that you are most likely to use. Refer to "obtar Options" to learn about additional obtar -zz options.
deviceSpecifies the name of a backup image file or device. If you omit the -f option, then obtar reads from the device specified by the TAPE environment variable, if it is defined.
As shown in Example 4-31, you can use -zz to display the labels of all backup images on a volume.
Example 4-31 Displaying the Labels of All Backup Images on a Volume
obtar -zzf tape0 Seq Volume Volume Backup Image Client Backup Backup Image Create # ID Tag File Sect Host Level Date & Time 1 VOL000003 1 1 campy 0 05/01/00 14:08:23 1 VOL000003 2 1 phred 0 05/01/00 15:37:00 1 VOL000003 3 1 mehitibel 0 05/01/00 15:38:08