Veritas Storage Foundation Intelligent Storage Provisioning 5.0.1 Administrators Guide, HP-UX 11i v3, First Edition, November 2009

Changing the allocation

behavior of ISP

This appendix includes the following topics:

■ About ISP allocation behavior

About ISP allocation behavior

The behavior that ISP exhibits when allocating storage can be controlled by setting

the value of the allocation_priority_order attribute. For example, this attribute

determines if growing the storage pool is preferred to dropping the desired rules

when there is insufficient storage to create a volume. The default behavior can

be changed by editing the definition of the attribute in the

/etc/default/allocator file, or, for a single invocation of the vxassist or

vxvoladm command, by specifying the -o allocation_priority=value option

as a command-line argument.

Table B-1 shows that the value argument can take an integer value from 1 to 12.

Table B-1

Values of the precedence order

Precedence orderValue

S < T < A < D1

S < T < D < A2

S < A < T < D3

S < D < T < A4

S < A < D < T5

Appendix