HP BL25/35/45p HP ProLiant Accelerated iSCSI for Linux User Guide
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- HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 1
HP ProLiant Accelerated iSCSI for Linux User Guide Part Number 538529-001 March 2009 (First Edition) - HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 2
's standard commercial license. Intended audience This document is for the person who installs, administers, and troubleshoots servers and storage systems. HP assumes you are qualified in the servicing of computer equipment and trained in recognizing hazards in products with hazardous energy levels. - HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 3
RPM package 8 Linux iSCSI offload bnx2i driver messages...8 Installing the license for embedded adapters 10 Red Hat...11 SLES ...11 Reporting iSCSI Offload status ...12 HP ProLiant Licensing Log and Event File 12 Troubleshoot known issues for HP port-based Linux iSCSI offload 13 Uninstalling - HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 4
Gigabit Server Adapter* • HP NC373F PCI Express Multifunction Gigabit Server Adapter • HP NC373T PCI Express Multifunction Gigabit Server Adapter • HP NC373m PCI Express Dual Port Multifunction Gigabit Server Adapter for c-Class BladeSystem • HP NC373i Integrated Multifunction Gigabit Server Adapter - HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 5
Quad Port PCI Express Gigabit Server Adapter • HP NC532m Dual Port Flex-10 10GbE Multifunction BL-c Adapter • HP NC532i Dual Port 10GbE Multifunction BL-c Adapter* * Requires an HP ProLiant Accelerated iSCSI license to enable acceleration iSCSI targets. All iSCSI targets supported by the Linux - HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 6
for Linux The HP NC-Series Broadcom Multifunction Drivers for Linux are released in a source RPM format and the file name for the package is netxtreme2-.sri.rpm. The package contains the source code and build instructions for bnx2, bnx2x, and cnic drivers. 1. Build Environment Setup. The - HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 7
/etc/modprobe.conf or /etc/modprobe.conf.local 12. You can now reboot your server or restart the network services. Upon reboot the network should start with either bnx2 or bnx2x driver loaded. To verify that the driver is loaded use the following command. # lsmod You should find bnx2 or bnx2x listed - HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 8
support offload initiators in SLES10 SP1. • When installing SLES 10 SP2 select to enable IPv6 so that autoload is enabled for the IPv6 kernel module. The cnic driver the IPv6 module. Uninstalling the HP Linux iSCSI offload bnx2i driver RPM package If you need to uninstall the HP bnx2 RPM, use the - HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 9
driver messages that may be logged in the file /var/log/messages. • bnx2i driver signon Broadcom NetXtreme II iSCSI Driver bnx2i v1.0.30 (Sep 29, 2007) • Network onto Jumbo frame enabled device bnx2i: eth# network i/f mtu is set to #mtu bnx2i: iSCSI HBA can support mtu of 1500 The user must change - HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 10
basis for each embedded adapter. See the list of supported adapters to see if your adapter requires a license. This license is not required for standup and mezzanine HP Multifunction Gigabit Server Adapters and HP Multifunction Gigabit Server Adapters for HP BladeSystem servers. Installation and - HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 11
following command: /etc/init.d/hp-pbl restart 5. To manually stop the hp-pbl daemon, use the following command: /etc/init.d/hp-pbl stop SLES Installing the license key To install the license key on SUSE Linux Enterprise Server systems, 1. Navigate to the \linux\hp-pel\hp-pel-.sles10.linux - HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 12
the following command: /etc/init.d/hp-pbl restart 5. To manually stop the hp-pbl daemon, use the following command: /etc/init.d/hp-pbl stop Reporting iSCSI Offload status To obtain the iSCSI offload status of embedded adapters, use the following command: /etc/init.d/hp-pbl status Output example - HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 13
to IP address mapping occurs when a server with multiple network cards is connected to the same network segment. This issue is commonly known as the Arp Flux Problem. Possible solution: Set up the network so that network cards are on separate network segments or broadcast domains. Installation and - HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 14
strings by displaying all licenses on the system using the check the status of all currently installed licenses on the system command: /opt/hp/hp-pel/nalicense -d [-l ] Include the -l parameter if you want all the information that normally prints to stdout to be redirected to the file - HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 15
6. Start the open-iscsi daemon using the following command: #/etc/init.d/open-iscsi start Uninstalling the HP NC-Series iSCSI offload initiator utilities for SLES If you need to uninstall the HP NC-Series iSCSI Offload Initiator Utilities for SLES RPM, use the following command: # rpm -e open-iscsi - HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 16
offload bnx2i module After installing the Linux iSCSI Offload bnx2i driver and the iSCSI Offload Initiator utilities for Red Hat or is installed, the bnx2id application is installed under /sbin. The driver cannot establish an iSCSI connection until the bnx2id application is executed. Execute - HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 17
Binding the iSCSI target Changing the transport binding of the iSCSI node By default the open-iscsi daemon connects to discovered targets using the software initiator with transport name = tcp. To offload iSCSI connections, you must change the transport binding of the iSCSI node by completing the - HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 18
Connecting to the iSCSI target Sample commands to discover targets and create iSCSI connections • Add static entry # iscsiadm -m node -p -T -o new • iSCSI target discovery using 'SendTargets' # iscsiadm -m discovery --type sendtargets -p • Login - HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 19
Acronyms and abbreviations HBA host bus adapter iSCSI Internet Small Computer System Interface RPM Red Hat Package Manager SLES SUSE Linux Enterprise Server Acronyms and abbreviations 19 - HP BL25/35/45p | HP ProLiant Accelerated iSCSI for Linux User Guide - Page 20
A adapters supported 4 B Binding the iSCSI target 17 bnx2 driver 6 bnx2i driver 7, 15 bnx2id application 15 C Connecting to the iSCSI target 18 D discovering targets 18 downloading files 6 E Executing the bnx2id application 16 H HP NC-Series iSCSI offload initiator utilities 14, 15 HP ProLiant
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HP ProLiant Accelerated iSCSI for Linux
User Guide
Part Number 538529-001
March 2009 (First Edition)