Hp XP P9500 Storage Bedienungsanleitung PDF herunterladen (Seite 23)

4. Set the Dynamic alias management field to Yes and WLM is in goal mode. Set the field to No

and WLM is in compatibility mode. The default setting is Yes.

5. Set the I/O priority management field. The effect of this field setting depends on the Dynamic

alias management setting. As shown in the following table, the setting of both of these fields

controls whether the Dynamic Alias Algorithm is in effect.

Dynamic Alias Algorithm in EffectI/O Priority

Management

Dynamic Alias

Management

None (static Parallel Access Volumes only)NONO

None (static Parallel Access Volumes only)YESNO

Efficiency onlyNOYES

Both efficiency and goalYESYES

6. If dynamic is the desired mode, verify that the DYNAMIC and WLMPAV fields are both set to

Yes in the WLM View Device Parameter / Feature Definition screen.

Enabling Hyper Parallel Access Volumes on z/OS

To enable Hyper Parallel Access Volumes on the z/OS, issue the following command from the

host system console:

SETIOS HYPERPAV=YES

An example of the command is shown below.

NOTE: The SETIOS command can be set for each logical partition (LPAR).

Enabling Hyper Parallel Access Volumes from z/OS on z/VM

To enable Hyper Parallel Access Volumes from the z/OS on z/VM, Hyper Parallel Access Volumes

must be enabled on the z/VM and on the z/OS.

Procedure 5 To enable Hyper Parallel Access Volumes from z/OS on z/VM:

1. Issue the following command from z/OS system console to all base devices in the corresponding

CU to take those base devices offline.

V base_device_number1 base_device_number2,OFFLINE

Enabling Hyper Parallel Access Volumes on z/OS 23

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Hp XP P9500 Storage Bedienungsanleitung Seite 23