HP StorageWorks 4400 Installation Manual page 71

Example 1. Verifying the VxVM configuration
# vxddladm listsupport all | grep HP
libvxhpalua.so
libvxxp1281024.so
libvxxp12k.so
# vxddladm listsupport libname=libvxhpalua.so
ATTR_NAME
=======================================================================
LIBNAME
VID
PID
ARRAY_TYPE
ARRAY_NAME
# vxdmpadm listapm all | grep HP
dmphpalua
# vxdmpadm listapm dmphpalua
Filename:
APM name:
APM version:
Feature:
VxVM version:
Array Types Supported:
Depending Array Types:
State:
# vxdmpadm listenclosure all
ENCLR_NAME ENCLR_TYPE
============================================================================
Disk Disk
EVA80000 EVA8000
By default, the EVA iopolicy is set to Round-Robin. For VxVM 4.1 MP1, only one path is used for
the I/Os with this policy. Therefore, HP recommends that you change the iopolicy to Adaptive in
order to use all paths to the LUN on the primary controller.
use to check and change the iopolicy.
Example 2. Setting the iopolicy
# vxdmpadm getattr arrayname EVA8000 iopolicy
ENCLR_NAME DEFAULT
============================================
EVA80000 Round-Robin
# vxdmpadm setattr arrayname EVA8000 iopolicy=adaptive
# vxdmpadm getattr arrayname EVA8000 iopolicy
ENCLR_NAME DEFAULT
============================================
EVA80000 Round-Robin
HP, COMPAQ
HP
HP
ATTR_VALUE
libvxhpalua.so
HP, COMPAQ
HSV101, HSV111 (C)COMPAQ, HSV111
HSV200, HSV210
A/A-A-HP
EVA3000, EVA5000, EVA4K6K
EVA8000
dmphpalua
dmphpalua
dmphpalua
1
VxVM
40
A/A-A-HP
A/A-A
Active
ENCLR_SNO
DISKS
50001FE1002709E0
CURRENT
Round-Robin
CURRENT
Adaptive
HP StorageWorks 4400 Enterprise Virtual Array installation guide
1 A/A-A-HP
STATUS
CONNECTED
CONNECTED
Example 2 shows the commands you can
Active
ARRAY_TYPE
Disk
A/A-A-HP
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