HP StorageWorks 6100 - Enterprise Virtual Array User Manual page 5

FCIP and iSCSI performance .................................................................................................... 104
MPX200 iSCSI/FCIP configurations ........................................................................................... 104
HP Continuous Access EVA 3 site configurations .................................................................. 108
3-site configuration with four MPX200 routers ................................................................ 109
3-site configuration with six MPX200 routers .................................................................. 109
3-site configuration with eight MPX200 routers .............................................................. 110
3-site configuration with six MPX200 routers and full inter-site connectivity ......................... 111
Configuration rules and guidelines ..................................................................................... 112
General configuration rules ......................................................................................... 112
Operating system and multipath support ....................................................................... 113
EVA storage system rules and guidelines ....................................................................... 113
Fibre Channel switch and firmware support ................................................................... 113
IP performance tuning ............................................................................................................. 115
Distance ......................................................................................................................... 115
Bandwidth ....................................................................................................................... 115
Latency ........................................................................................................................... 115
MTU/Jumbo frames .......................................................................................................... 115
Compression ................................................................................................................... 116
TCP window size/scaling performance tuning ...................................................................... 116
Modifying the window size and scaling factor ..................................................................... 116
TCP window size recommendations .................................................................................... 117
Configuring an FCIP route ........................................................................................................ 120
Step 1. Verify your system requirements ..................................................................................... 120
Step 2. Pre-installation checklist ................................................................................................ 121
Step 3. Rack-mount the MPX200 ............................................................................................... 121
Step 4. Install the SFPs ............................................................................................................. 121
Step 5. Set the MPX200 management port parameters ................................................................ 121
Step 6. Configure the MPX200 FCIP Route parameters ................................................................ 123
Install FCIP license ............................................................................................................ 123
Critical FCIP Performance settings ....................................................................................... 123
Configure the FCIP routes using the CLI ............................................................................... 124
Step 7. Configure FC switch settings for the MPX200 ................................................................... 124
Step 8. Cable the MPX200 FC, GE and management ports ......................................................... 125
Step 9. Verify FCIP links and firmware version ............................................................................. 125
6 Diagnostics and troubleshooting ...................................................... 127
MPX200 chassis diagnostics .................................................................................................... 127
Input Power LED is extinguished .......................................................................................... 127
System Fault LED is illuminated ........................................................................................... 128
Power-on self-test (POST) diagnostics ................................................................................... 128
Heartbeat LED blink patterns ....................................................................................... 128
Locating the MPX200 blade .............................................................................................. 129
MPX200 log data ............................................................................................................ 130
MPX200 statistics ............................................................................................................. 130
MPX200 ping command ................................................................................................... 130
Troubleshooting using HP Command View EVA .................................................................... 131
Issues and solutions ................................................................................................................. 132
HP Command View EVA does not discover MPX200 ............................................................. 132
Initiator cannot log in to MPX200 iSCSI target ..................................................................... 132
Initiator logs in to MPX200 iSCSI target, but EVA-assigned LUNs do not appear on initiator ....... 132
EVA-presented virtual disk not seen by initiator ..................................................................... 133
Windows initiators may display Reconnecting if NIC MTU changes after connection has logged
in ................................................................................................................................... 134
Communication between HP Command View EVA and MPX200 is down ................................ 134
MPX200 Multifunction Router 5