HP 6100 HP 4x00/6x00/8x00 Enterprise Virtual Array User Guide (5697-0733, Marc - Page 94

Example 3 Verifying the VxVM configuration, Example 4 Setting the, iopolicy

Page 94 highlights

1. Go to http://support.veritas.com. 2. Enter Storage Foundation for UNIX/Linux in the Product Lookup box. 3. Enter EVA in the Enter keywords or phrase box, and then click the search symbol. 4. To further narrow the search, select Solaris in the Platform box and search again. 5. Read TechNotes and follow the instructions to download and install the ASL/APM. 6. Run vxdctl enable to notify VxVM of the changes. 7. Verify the configuration of VxVM as shown in Example 3 "Verifying the VxVM configuration" (the output may be slightly different depending on your VxVM version and the array configuration). Example 3 Verifying the VxVM configuration # vxddladm listsupport all | grep HP libvxhpevale.so HP HSV200, HSV210 # vxddladm listsupport libname=libvxhpevale.so ATTR_NAME ATTR_VALUE LIBNAME libvxhpevale.so VID HP PID HSV200, HSV210 ARRAY_TYPE A/A-A-HP ARRAY_NAME EVA4K6K, EVA8000 # vxdmpadm listapm all | grep HP dmphpalua dmphpalua # vxdmpadm listapm dmphpalua Filename: dmphpalua APM name: dmphpalua APM version: 1 Feature: VxVM VxVM version: 41 Array Types Supported: A/A-A-HP Depending Array Types: A/A-A State: Active 1 A/A-A-HP Active # vxdmpadm listenclosure all ENCLR_NAME ENCLR_TYPE ENCLR_SNO STATUS ARRAY_TYPE Disk Disk DISKS CONNECTED Disk EVA8100 EVA8100 50001FE1002709E0 CONNECTED A/A-A-HP By default, the EVA I/O policy 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 I/O policy to Adaptive in order to use all paths to the LUN on the primary controller. Example 4 "Setting the iopolicy" shows the commands you can use to check and change the I/O policy. 94 Configuring application servers

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1.
Go to
h
t
tp://su
ppo
r
t
.v
e
r
it
a
s
.co
m
.
2.
Enter
Storage Foundation for UNIX/Linux
in the Product Lookup box.
3.
Enter
EVA
in the
Enter keywords or phrase
box, and then click the search symbol.
4.
To further narrow the search, select
Solaris
in the Platform box and search again.
5.
Read
TechNotes
and follow the instructions to download and install the ASL/APM.
6.
Run
vxdctl enable
to notify VxVM of the changes.
7.
Verify the configuration of VxVM as shown in
Example 3 “Verifying the VxVM configuration”
(the output may be slightly different depending on your VxVM version and the array
configuration).
Example 3 Verifying the VxVM configuration
#
vxddladm listsupport all | grep HP
libvxhpevale.so
HP
HSV200, HSV210
#
vxddladm listsupport libname=libvxhpevale.so
ATTR_NAME
ATTR_VALUE
=======================================================================
LIBNAME
libvxhpevale.so
VID
HP
PID
HSV200, HSV210
ARRAY_TYPE
A/A-A-HP
ARRAY_NAME
EVA4K6K, EVA8000
#
vxdmpadm listapm all | grep HP
dmphpalua
dmphpalua
1
A/A-A-HP
Active
# vxdmpadm listapm dmphpalua
Filename:
dmphpalua
APM name:
dmphpalua
APM version:
1
Feature:
VxVM
VxVM version:
41
Array Types Supported:
A/A-A-HP
Depending Array Types:
A/A-A
State:
Active
#
vxdmpadm listenclosure all
ENCLR_NAME
ENCLR_TYPE
ENCLR_SNO
STATUS
ARRAY_TYPE
============================================================================
Disk
Disk
DISKS
CONNECTED
Disk
EVA8100
EVA8100
50001FE1002709E0
CONNECTED
A/A-A-HP
By default, the EVA I/O policy 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 I/O policy to
Adaptive
in order to use all paths to the LUN on the primary controller.
Example 4 “Setting the
iopolicy”
shows the commands you can use to check and change the I/O policy.
94
Configuring application servers