Dell Broadcom NetXtreme Family of Adapters Guide de l'utilisateur télécharger pdf (Page 163)

User Guide NetXtreme II

September 2013

Broadcom Corporation

Document INGSRVT78-CDUM100-R Linux iSCSI Offload Page 163

LINUX ISCSI OFFLOAD

• Open iSCSI User Applications

• User Application - brcm_iscsiuio

• Bind iSCSI Target to Broadcom NX2 iSCSI Transport Name

• Making Connections to iSCSI Targets

• Maximum Offload iSCSI Connections

• Linux iSCSI Offload FAQ

OPEN ISCSI USER APPLICATIONS

Install and run the inbox open-iscsi initiator programs from the DVD. Refer to Packaging for details.

USER APPLICATION - BRCM_ISCSIUIO

Install and run the brcm_iscsiuio daemon before attempting to create iSCSI connections. The driver will not be able to

establish connections to the iSCSI target without the daemon's assistance.

1. Install the brcm_iscsiuio source package

# tar -xvzf iscsiuio-<version>.tar.gz

2. CD to the directory where iscsiuio is extracted

# cd iscsiuio-<version>

3. Compile and install

# ./configure

# make

# make install

4. Check the iscsiuio version matches with the source package

# brcm_iscsiuio -v

5. Start brcm_iscsiuio

# brcm_iscsiuio

BIND ISCSI TARGET TO BROADCOM NX2 ISCSI TRANSPORT NAME

By default, the open-iscsi daemon connects to discovered targets using software initiator (transport name = 'tcp'). Users who

wish to offload iSCSI connection onto CNIC device should explicitly change transport binding of the iSCSI iface. This can be

done using the iscsiadm CLI utility as follows,

iscsiadm -m iface -I <iface_file_name> -n iface.transport_name -v bnx2i -o update

where the iface file includes the following information for RHEL 5.4, RHEL 5.5, and SLES 11 SP1:

iface.net_ifacename = ethX

iface.iscsi_ifacename = <name of the iface file>

iface.hwaddress = XX:XX:XX:XX:XX:XX

iface.ipaddress = XX.XX.XX.XX

iface.transport_name = bnx2i

Ensure that the iface.hwaddress is in lower case format.

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Dell Broadcom NetXtreme Family of Adapters Guide de l'utilisateur Page 163