Changes to system registry to optimize the initiator for SAN Volume Controller

This section describes changes that can be made to the system registry to optimize the iSCSI operation.

For reliable iSCSI operation during cluster maintenance, the following changes to the system registry should be made:

Table 1. System registry
Registry key	Type	Value (decimal)
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\ {4D36E97B-E325-11CE- BFC1-08002BE10318}\<`bus id`>\Parameters\LinkDownTime	DWORD	120
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\ {4D36E97B-E325-11CE- BFC1-08002BE10318}\<`bus id`>\Parameters\MaxRequestHoldTime	DWORD	120
HKEY_LOCAL_MACHINE\SYSTEM\Current\ControlSet\Services\Disk\TimeOutValue	DWORD	60

Note: You must restart the computer for these changes to take effect.