Accusys ExaRAID GUI - Manual (Page 198)

Advanced Functions
5-25
Configuration Tasks
• Active-Active Redundant Dual Independent MPIO Hosts
As Figure 5-8 shows, the redundant RAID system is operating in a dual
independent MPIO hosts environment using the selective storage
method. All LUNs are formed into storage groups, used to bind the host
groups across four fibre ports.
Tasks Instructions
Create Virtual volumes and
specify the preferred controller RAID Management > Disk Groups >
Create DG0 and DG1
RAID Management > Logical Disks >
Create DG0LD0 > Specify the preferred
controller as ctla
RAID Management > Logical Disks >
Create DG1LD0 > Specify the preferred
controller as ctlb
Select Storage Provisioning
method RAID Management > Storage
Provisioning > Symmetric
Add WWPN of HBAs to hosts HBA0 WWPN -> Host 0 -> Host Group 0
HBA1 WWPN -> Host 1 -> Host Group 0
HBA2 WWPN -> Host 2 -> Host Group 0
HBA3 WWPN -> Host 3 -> Host Group 0
Map LUNs to host groups DG0LD0 and DG1LD0 -> Host Group 0
FCP1 FCP2 FCPa2 FCPa1 FCP1 FCP2 FCPb2 FCPb1
Storage Group 0
(for Host Group 0)
Storage Group 1
(for Host Group 1)
DG0LD0 DG0LD1 DG1LD0 DG1LD1
Host B
WWPN WWPN
WWPN
WWPN
HBA1 HBA0 HBA3
HBA2
Host Group 1
Host A
Host Group 0
MPIO
MPIO
Controller B Controller A
Figure 5-8 Redundant Dual Independent MPIO hosts