HP SureStore E SAN Manager LUN Management Administrator's Guide

188 Registry Values for Customizing SAN Manager LM
Path:
Value Name:
Value Type:
Implicit Default:
Purpose:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\trqladrv\Parameters
MinimumTimeout
REG_DWORD
30
May be used to prevent commands sent to the HBA from timing out too quickly (if a
device is slow to carry out the commands), depending on the value set for
TimeoutBehavior.
Note This value does not adjust how long it takes to time out I/Os for missing
devices. To set the timeout value for missing devices, use the
DeviceMissingDelay registry setting (page 187).
Path:
Value Name:
Value Type:
Implicit Default:
Purpose:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\trqladrv\Parameters
FrameSize
REG_DWORD
1024 (decimal)
Maximum Fibre Channel payload size to use (in bytes). Acceptable values: 512, 1024,
2048, and 2112. For best performance in high I/O environments use smaller frame
sizes (512, 1024). For best performance in high data rate environments use larger
frame sizes (2048, 2112).
Note All of the values listed above are decimal values.
Note The Following Registry Settings Apply to the HP SAN Manager LM QLogic HBA driver
ONLY.
Path:
Value Name:
Value Type:
Implicit Default:
Purpose:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\trqladrv\Parameters
BusResetBehavior
REG_DWORD
0
This registry key allows the adjustment of BusReset functionality by allowing users to
override the BIOS settings on the QLogic HBA.
The value can be a sum of any of the following:
1: Target Reset enabled
2: LIP Reset enabled
4: LIP Reset and Full Login enabled
Table 6 Registry Values for Customizing SAN Manager LM (cont’d)