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HP Archive Backup System for OpenVMS Guide to Operations

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Media Management<br />

4.11 Volumes<br />

When allocating a volume, you may specify the user <strong>for</strong> which you are allocating the volume<br />

(<strong>for</strong> example, ABS). If you do not specify a user, then you as the calling user are placed in the<br />

allocation fields.<br />

Also, during allocation, you can change the following fields in the MDMS database <strong>to</strong> reflect the<br />

<strong>for</strong>mat <strong>to</strong> be used on the tape:<br />

• Format - The record <strong>for</strong>mat used on the tape volume. Options are:<br />

– ASCII<br />

– BACKUP<br />

– EBCDIC<br />

– NONE<br />

– RMUBACKUP<br />

• Record Size - An integer<br />

• Block Fac<strong>to</strong>r - An integer<br />

• Scratch Date - The date when the volume’s data becomes obsolete and the volume should<br />

be deallocated - MDMS will au<strong>to</strong>matically deallocate the volume at this time.<br />

• Transition Time - When the volume is deallocated, the volume should go in<strong>to</strong> the Transition<br />

State and remain in this state until the transition time expires, after which it will go in<strong>to</strong> the<br />

Free State. If not specified, the volume goes in<strong>to</strong> the Free State immediately on deallocation.<br />

4.11.13Allocate Volume(s) by Selection Criteria<br />

Instead of allocating a volume by name, you can specify selection criteria <strong>to</strong> be used <strong>for</strong> MDMS<br />

<strong>to</strong> select a free volume <strong>for</strong> you and allocate it. You can also allocate a volume set by specifying a<br />

count of volumes <strong>to</strong> allocate. The allocation selection criteria include:<br />

• Media Type - Select a volume with the specified media type<br />

• Location - Used with media type, select a volume in the specified location<br />

• Jukebox - Used with media type, select a volume in the specified jukebox<br />

• Pool - Select a volume in the specified pool<br />

• Like Volume - Select a volume like the specified volume (with the same media type, pool<br />

and placement)<br />

• Bind Volume - Select a volume like the specified volume (with the same media type, pool<br />

and placement) and bind the new volume <strong>to</strong> the specified volume in a volume set<br />

If you specify a volume count of more than one, then that many volumes will be allocated and<br />

placed in a volume set. If you also use the “Bind Volume” selection option, the new volume set is<br />

bound <strong>to</strong> the specified volume set.<br />

You can also specify that you wish <strong>to</strong> change certain attributes of the volume as follows:<br />

• Format - The record <strong>for</strong>mat used on the tape volume. Options are:<br />

– ASCII<br />

– BACKUP<br />

– EBCDIC<br />

– NONE<br />

– RMUBACKUP<br />

Media Management 4–25

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