8x00 family of Disk Arrays 3.00.00 Installation and Reference Guide (AA-RW7SJ-TE, March 2008)

D Troub leshooting

This appendix discusses some of the common problems that you may encounter while using the HP MPIO

DSM. It also describes how to troubleshoot these problems.

Problem: HP MPIO DSM fails to load and displays a yellow-bang in the Device Manager screen.

Solution: To troubleshoot this problem, complete one of the following:

• Verify if the Multi-path I/O feature is enabled. If not, enable the Multi-p a th I/O feature. To do this, go

to Server Manag er and select Features > Add Features > Multipath I/O.

• Verify if the version of MPIO framework installed on the system is compatible with the minimum version

supported by this DSM (ap plicable for Windows Server 2003 only). To ﬁnd out the version of MPIO

framework installed on the system, complete the following steps:

1. Select Computer Management > Device manager > SCSI and RAID controllers.

2. Right-click Mutli-Path Support and select Properties. The Properties page displays.

3. Verify the version of MPIO framework from the Drivers tab. For m ore information on the

versions of M PIO framework supported by the DSM, see the HP MPIO Full Featured DSM for

EVA4x00/6x00/8x00 family of Disk Arrays 3.00.00 release notes.

Problem: HP MPIO DSM fails to manage the disk devices.

Solution: To troubleshoot this problem, c omplete the following steps:

1. Verify if the device is currently un der multipath support. To do this, go to Control Pan el,andselect

MPIO. Verify the existence of the corresponding device hardware I D in the MPIO-ed devices tab.

2. If the hardware ID is not present, do one of the following:

• Add the corresponding hardware ID. For more information on adding the c orresponding

hardware IDs, see Managing multipath disk devices

•ReinstalltheHPMPIODSM.

Problem: HP DSM CLI and HP MPIO DSM Manager fail to list devices after upgrade from Windows

Server 2003 to Windows Server 2008.

Solution: Double-click one of the following batch ﬁles (depending on your operating system):

• For Windows Server 2008 x86:

<Target_Dir>\x86\Win2k8Upgrade.bat

• For Windows Server 2008 IA64:

<Target_Dir>\ia64\Win2k8Upgrade.bat

• For Windows Server 2008 x64:

<Target_Dir>\amd64\Win2k8Upgrade.bat

where <Ta rget_Dir> is the location where the DSM is installed.

HP MPIO Full Featured DSM for EVA4x00/6x00/ 8x00 family of Disk Arrays 3.0 0.00