HP SureStore E SAN Manager LUN Management Administrator's Guide

Registry Values for Customizing Windows NT 189
Advanced SAN
Administration
Registry Values for Customizing Windows NT
Caution Editing the registry incorrectly may cause serious problems that will require
you to reinstall Windows NT. For more information about editing the registry,
see your Microsoft documentation.
Note The ScanDisconnectedDevices and LunRescan values are automatically
entered when the Update Windows NT registry for optimal SAN support option
is enabled during installation. If the SAN Manager LM QLogic HBA driver (by
HP) option is enabled during installation, the LargeLuns value is also entered.
Table 7 Registry Values for Customizing Windows NT
Paths:
Value Name:
Value Type:
Implicit Default:
Purpose:
HKEY_LOCAL_MACHINE\SYSTEM\DISK
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Disk
ScanDisconnectedDevices
REG_DWORD
0
Modifies SCSIPORT device scan logic: Set this value to 1 to discover LUNs that exist
but return “disconnected” status when queried.
Note You must enter this registry setting under both paths listed above.
Paths:
Value Name:
Value Type:
Implicit Default:
Purpose:
HKEY_LOCAL_MACHINE\SYSTEM\DISK
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Disk
LunRescan
REG_STRING
N/A
Modifies SCSIPORT device scan logic: Set this value to “” (empty string) to cause
scans to look for new LUNs on targets that have previously been scanned. Delete this
value to skip the rescan behavior.
Note You must enter this registry setting under both paths listed above.