For best performance with VMware ESX, the following changes are required on the LSS iSCSI Target. Before you begin, please ensure that all virtual machines running from the LSS iSCSI target are paused or shutdown.
From the console, press CTL + ALT + w to enter the Hardware Configuration menu
Navigate to Tuning options > iSCSI daemon options > Target options
Select the iSCSI target(s) connected to VMWare
Enter the following values to configure your target with VMWare:
MaxRecvDataSegmentLen=262144
MaxBurstLength=1048576
MaxXmitDataSegmentLength=262144
FirstBurstLength=65536
DataDigest=None
MaxOutstandingR2T=8
ImmediateData=Yes
HeaderDigest=None
Wthreads=8