HP SureStore E SAN Manager LUN Management Administrator's Guide

166 Using SAN Manager LM with the FC60 Storage Array
Required Registry Settings
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.
When running SAN Manager LM and RDAC the following settings are required on all hosts
that are connected to the storage array. You can enter these registry settings through the
Host Settings dialog box (page 182) or by using the Registry Editor.
Note You must reboot to activate these registry settings.
Table 2 Registry Settings for RDAC and SAN Manager LM
Path:
Value Name:
Value Type:
Value:
HKLM\System\CurrentControlSet\Services\trqladrv\Parameters
DeviceMissingDelay
REG_DWORD
10 (decimal)
Note This value applies to users of the HP SAN Manager LM QLogic HBA
driver only.
Path:
Value Name:
Value Type:
Value:
HKLM\System\CurrentControlSet\Services\trdisk
SymArrayCompatibility
REG_DWORD
1
Path:
Value Name:
Value Type:
Value:
HKLM\System\CurrentControlSet\Services\trlls
ScsiFilterCompatibility
REG_DWORD
1
Note Although RDAC is not a filter driver, ScsiFilterCompatibility must be
enabled in order to provide additional security that prevents RDAC from
sending I/O to LUNs which are not assigned to hosts that are running
RDAC and SAN Manager LM.