Changes to system registry to optimize the initiator

You can change the system registry to optimize the iSCSI operation.

For reliable iSCSI operation during system maintenance, you can update these values in the system registry. See System registry. In addition, you can also update the system registry to change the delayed acknowledgment settings to address slow performance with iSCSI operations between systems. For more information, see the section "Addressing Slow Performance with iSCSI clusters" in the
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\CurrentControlSet\Services\Disk\TimeOutValue DWORD 60
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E97B-E325-11CE-BFC1-08002BE10318}\bus id\Parameters\ MaxPendingRequests DWORD 2048
Note: You must restart the computer for these changes to take effect.