Software/Driver Configuration And Fine-Tuning; Accelerating Open-Iscsi Initiator - Chelsio Communications Chelsio T5 User Manual

Chapter VIII. iSCSI PDU Offload Initiator

4. Software/Driver Configuration and Fine-tuning

4.1.

Accelerating open-iSCSI Initiator

The following steps need to be taken to accelerate the open-iSCSI initiator:
4.1.1. Configuring iscsid.conf file
iscsi/iscsid.conf
Edit the
node.conn[0].iscsi.MaxRecvDataSegmentLength = 8192
The login would fail for a normal session if
message in the format of
<Y>
. would be logged in dmesg.

Always take a backup of
Important
Unified Wire Package. Although the file is saved to
after uninstalling the package using RPM, you are still advised to take a
backup.

In case of RHEL 6, uninstalling the package using RPM will result into
uninstallation of open-iSCSI admin utility. In order to get back the utility,
please install open-iscsi-utils provided with OS CD/DVD.
4.1.2. Configuring interface (iface) file
Create an interface file located under iface directory for the new transport class cxgb4i in the
following format:
iface.iscsi_ifacename = <iface file name>
iface.hwaddress = <MAC address>
iface.transport_name = cxgb4i
iface.net_ifacename = <ethX>
iface.ipaddress = <iscsi ip address>
Chelsio T5/T4 Unified Wire For Linux
file and change the setting for
MaxRecvDataSegmentLength
ERR! MaxRecvSegmentLength
MaxRecvDataSegmentLength
<X> too big. Need to be <=
iscsid.conf
file before installing Chelsio
:
is too big. An error
iscsid.rpmsave
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