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Setting the execution throttle for Emulex HBAs
This section describes how to set the execution throttle for Emulex HBAs on the following
operating systems:
Windows 2000 and Windows NT
To set the execution throttle for an Emulex HBA on a Windows 2000 or Windows NT host:
1. To open the registry editor, enter:
2. Go to the directory HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\
3. Add values of QueueDepth and QueueTarget. Use a semicolon (;) to separate
4. Close RegEdit32.exe and reboot the host.
IBM-AIX
To set the execution throttle for an Emulex HBA on an IBM-AIX host:
1. At the AIX prompt, enter smitty lsattr.
2. When the menu opens, click List All Defined Devices.
3. Record the port assigned to the HBA, displayed in the leftmost column.
4. To temporarily disable the device, enter:
5. To change the throttle value, enter:
6. To enable the device, enter:
Continuous Access Storage Appliance Installation and Maintenance Guide
Windows 2000 and Windows NT
IBM-AIX
Start RegEdit32.exe.
Services\lpxnds\Parameter\Device.
multiple entries.
ifconfig <network configuration> detach
chdev -I <port> -a lun_queue_depth=<throttle value>
ifconfig <network configuration> hostname up
Configuring Hosts and Storage Arrays
61
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