Performance Tuning - Chelsio Communications Terminator Series Installation And User Manual

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Chapter IX. LIO iSCSI Target Offload

Performance Tuning

Apply the performance settings mentioned in the

Wire chapter before proceeding.

ii. Run the performance tuning script to map LIO Target queues to different CPUs.

[root@host~]# t4_perftune.sh -Q iSCSIT -n

iii. For maximum performance, it is recommended to use iSCSI PDU offload initiator.

For MTU 9000, no additional configuration needed.

For MTU 1500, set InitialR2T to No using:

[root@host~]# targetcli iscsi/<target_iqn>/tpg1/ set parameter InitialR2T=No

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Performance Tuning

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