Memorex LOCK - VERSION 2-24 Technické informace stáhnout pdf (Strana 140)

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ADD Command

3-8 User Reference

Use Pursuant to Company Instructions

VOL/EVOL Use for disk versions. Specifies the extents the

version occupies. The volume serial number

specifies the volume that contains the extent. VOL

subparameters are positional. If there are multiple

extents, repeat the subparameters in extent

sequence. Use EVOL instead of VOL if the version

has more than 10 extents. You must also use EVOL

to add extents to a version that is already in the DSN

Catalog. Supply extent information using the same

process as VOL.

Note: For both VOL and EVOL, TSIDMNT does

not access the disk volume(s) to determine whether

the version exists or whether the extents match the

extents you specify.

VER Use to assign a specific version number to the

dataset. If VER is not specified, VER=1 is assumed.

GEN Use to specify the absolute generation number for

the dataset. You cannot use a generation number

that is already assigned to an existing version.

However, you can specify a previously used

generation number from a version that has been

deleted. To assign a new (never used) generation

number, the number must be greater than the next

generation number scheduled to be created. For

example, if the highest current generation number,

usually assigned to version 1, is 000120, specify a

new generation number of 000122 or greater. The

new version is always version 1.

FIL Specifies the file sequence number if the version of

a tape dataset is not the first dataset in a

multi–dataset group.

BLK Specifies the block size of the current version of the

dataset. Block size options are:

 MAX sets the block size to full track capacity

for disk datasets and for tape datasets—64K for

VSE/ESA 2.5 and later, or 32K for earlier VSE

releases.

 OPT sets the block size to half track capacity

for disk and for tape—32K for VSE/ESA 2.5

and later, or 16K for earlier VSE releases.

OFL=1 Use to identify the version as an offload version.

While it is not recommended that you purge offload

datasets, you can use the OFL parameter to assign

offload status to a disk dataset that has been added

to the catalog.

Parameter Definition

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