HP EVA6400 HP StorageWorks Enterprise Virtual Array release notes (XCS 0950120 - Page 14

Microsoft Windows MPIO DSM requirement

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Windows 2003 MSCS cluster installation The MSCS cluster installation wizard on Windows 2003 can fail to find the shared quorum device and disk resources might not be auto-created by the cluster setup wizard. This is a known Windows Cluster Setup issue that has existed since Windows 2003 was released. There are two possible workarounds for this problem: • Follow the workaround recommendation described in the Microsoft support article entitled Shared disks are missing or are marked as "Failed" when you create a server cluster in Windows Server 2003 (ID 886807), available for download on the Microsoft website: http://support.microsoft.com/default.aspx?scid=KB;EN-US;886807 • Use the MPIO DSM CLI to set the load balancing policy for each LUN to NLB. Microsoft is currently working on a resolution to address this issue. Microsoft Windows MPIO DSM requirement • EVA6400 and EVA8400 require Windows MPIO DSM 3.02.00 or later. • EVA4400 requires Windows MPIO DSM 3.00.00 or later. If you use HP SmartStart EVA Storage to install HP Command View EVA on your Windows 2003 management server, MPIO DSM version 3.00.00 and DSM Manager are installed automatically. If you are running a different version of Windows, DSM Manager and MPIO DSM are available for download on the HP Download drivers and software website: http://www.hp.com/support/downloads 1. Under Storage, select Storage Software. 2. Under Storage Infrastructure Software, select Other Multi-Path Software-Windows. 3. Select Windows MPIO DSM for EVA. 4. Select the appropriate Windows operating system. 5. Do one of the following: • For MPIO DSM, select HP MPIO Full Featured DSM for EVA4x00/6x00/8x00 and EVA4400 families of Disk Arrays. • For DSM Manager, select HP MPIO DSM (Device Specific Module) Manager for Full Featured DSMs. See the release notes included with the download file for more information. Array I/O can halt after a power cycle with an HP-UX host I/O halts after power cycling an HSV300-S enclosure connected to an HP-UX 11.23 host with HP-UX driver versions earlier than B.11.23.08.02. To resolve this issue, either upgrade to version B.11.23.08.02, or reset the HBAs on any server affected after an HSV300-S is power cycled. Reboot can be required after EVA power cycle to resume access LUNs If an EVA4400 experiences a power cycle while the management GUI for Windows MPIO DSM is open, the LUNs might not appear under Disk Management after they recover. This issue is seen when the MPIO DSM Manager snap-in is open at the time of a power cycle. To reduce the probability of this occurring, HP recommends that you close the GUI when you are not performing management actions. HP is working to resolve this issue with the Windows MPIO DSM Manager software. 14

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Windows 2003 MSCS cluster installation
The MSCS cluster installation wizard on Windows 2003 can fail to find the shared quorum device
and disk resources might not be auto-created by the cluster setup wizard. This is a known Windows
Cluster Setup issue that has existed since Windows 2003 was released.
There are two possible workarounds for this problem:
•
Follow the workaround recommendation described in the Microsoft support article entitled
Shared
disks are missing or are marked as "Failed" when you create a server cluster in Windows Server
2003
(ID 886807), available for download on the Microsoft website:
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t
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t
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o
s
o
f
t
.co
m/de
f
a
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.a
s
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c
i
d=KB;EN
-U
S;8
8
6
8
0
7
•
Use the MPIO DSM CLI to set the load balancing policy for each LUN to
NLB
.
Microsoft is currently working on a resolution to address this issue.
Microsoft Windows MPIO DSM requirement
•
EVA6400 and EVA8400 require Windows MPIO DSM 3.02.00 or later.
•
EVA4400 requires Windows MPIO DSM 3.00.00 or later.
If you use HP SmartStart EVA Storage to install HP Command View EVA on your Windows 2003
management server, MPIO DSM version 3.00.00 and DSM Manager are installed automatically. If
you are running a different version of Windows, DSM Manager and MPIO DSM are available for
download on the HP Download drivers and software website:
h
t
tp://w
w
w
.hp
.co
m/su
ppo
r
t/do
w
nloads
1.
Under Storage, select
Storage Software
.
2.
Under Storage Infrastructure Software, select
Other Multi-Path Software-Windows
.
3.
Select
Windows MPIO DSM for EVA
.
4.
Select the appropriate Windows operating system.
5.
Do one of the following:
•
For MPIO DSM, select
HP MPIO Full Featured DSM for EVA4x00/6x00/8x00 and EVA4400
families of Disk Arrays
.
•
For DSM Manager, select
HP MPIO DSM (Device Specific Module) Manager for Full Featured
DSMs
.
See the release notes included with the download file for more information.
Array I/O can halt after a power cycle with an HP-UX host
I/O halts after power cycling an HSV300-S enclosure connected to an HP-UX 11.23 host with HP-UX
driver versions earlier than B.11.23.08.02. To resolve this issue, either upgrade to version
B.11.23.08.02, or reset the HBAs on any server affected after an HSV300-S is power cycled.
Reboot can be required after EVA power cycle to resume access LUNs
If an EVA4400 experiences a power cycle while the management GUI for Windows MPIO DSM is
open, the LUNs might not appear under Disk Management after they recover. This issue is seen when
the MPIO DSM Manager snap-in is open at the time of a power cycle. To reduce the probability of
this occurring, HP recommends that you close the GUI when you are not performing management
actions. HP is working to resolve this issue with the Windows MPIO DSM Manager software.
14