z/OS DFSMSrmm Managing and Using Removable Media
z/OS DFSMSrmm Managing and Using Removable Media
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Specifying media type and recording format for volumes z/OS DFSMSrmm Managing and Using Removable Media SC23-6873-00 |
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You can specify the media type and recording format for volumes. Table 1 shows the correspondence
between the DFSMSrmm media types and the media types used in the system-managed
tape data class construct.
Table 2 lists the current media types and recording formats. The first column shows the media types that you can specify and the default value. The second column shows valid recording formats for each media type. The third column shows the default recording format set by DFSMSrmm when you do not specify a value, or when you specify a value that is invalid for the specified media type and is lower than the default recording format. When the specified recording format is invalid for the specified media type, and higher than the actual default recording format, the highest valid recording format value is assigned instead. As shown in Table 2 , if
you specify media types CST or ECCST, you can only specify 18TRACK
and 36TRACK recording formats. If you specify media types HPCT or
EHPCT, you can only specify 128TRACK, 256TRACK, or 384TRACK recording
formats. If you specify media types ETC/MEDIA5, EWTC/MEDIA6, EETC/MEDIA7,
or EEWTC/MEDIA8, you can only specify EFMT1, EFMT2, EEFMT2, EFMT3,
or EEFMT3 recording formats. If you specify media types EXTC/MEDIA9
or EXWTC/MEDIA10, you can only specify EFMT2, EEFMT2, EFMT3, EEFMT3
, EFMT4, or EEFMT4 recording formats.If you specify media types EATC/MEDIA11,
or EAWTC/MEDIA12, or EAATC/MEDIA13, you can only specify EFMT4, or
EEFMT4 recording formats.
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