User Manual

Advanced Functions
5-6
The table below shows the configuration steps for Figure 5-27.
5.1.4 Windows Multi-Path Solution: PathGuard
PathGuard is the bundled multi-path IO solution for Windows platforms,
and it is based on Microsoft Multipath I/O (MPIO) framework. PathGuard
consists of MPIO drivers and a web-based path manager GUI that allows
you to manage MPIO configurations for multiple host computers.
The MPIO drivers include standard drivers from Microsoft and DSM
(Device Specific Module) provided by the RAID system supplier.
For more information about Microsoft MPIO, please visit the link below:
http://www.microsoft.com/windowsserver2003/technologies/storage/
mpio/default.mspx
The following steps are required for enabling PathGuard MPIO:
1. Complete the hardware and software setup at RAID systems
2. Install the PathGuard package to the host computer
3. Register the vendor name and model name of your RAID system to the
PathGuard (optional)
4. Install the PathGuard MPIO driver
5. Reboot the host computer
6. Launch PathGuard GUI to set multi-path policies
Windows MPIO framework requires rebooting the host computer when
enabling the MPIO driver on the host computer, such that the regular disk
device drivers will be replaced by the MPIO disk drivers. Windows can
properly detect multi-path disks only during MPIO driver installation, so
reconfiguration (like adding/removing paths or LUNs) requires you to
reinstall the PathGuard MPIO driver and reboot the host computer. You
might need also to manually rescan the physical drives (use Computer
Tasks Instructions
Select Storage Provisioning
method
RAID Management > Storage
Provisioning > Symmetric
Add WWPN of HBAs to hosts HBA0 WWPN -> Host 0
HBA1 WWPN -> Host 1
HBA2 WWPN -> Host 2
HBA3 WWPN -> Host 3
Add hosts to one host group Host 0 and Host 1 -> Host Group 0
Host 2 and Host 3 -> Host Group 0
Map LUNs to host groups DG0LD0 and DG0LD1 -> Host Group 0
DG1LD0 and DG1LD1 -> Host Group 0