Initialize Qos; Set Host-Lu Qos - Fujitsu ETERNUS DX60 S3 User Manual

Chapter 4 Connectivity Management
4.7 Host-LU QoS Management
3
Click the [Done] button to return to the [Host-LU QoS] screen.
4.7.2

Initialize QoS

This function initializes all the QoS settings (Example: Host-LU QoS and volume QoS).
This function changes the bandwidth limit for hosts, ports, and volumes to the default value ("Unlimited") and
deletes all the LU QoS groups. Note that this function does not change the QoS mode (enable or disable) and
the Host-LU QoS performance monitoring status (start or stop).
The procedure to initialize QoS settings is as follows:
Procedure
1
Click [Initialize QoS] in [Action].
 A confirmation screen appears.
2
Click the [OK] button.
 The QoS initialization starts.
3
Click the [Done] button to return to the [Host-LU QoS] screen.
4.7.3

Set Host-LU QoS

This function assigns an LU QoS group to a "host - CA port - LUN group" on which the host affinity setting has
been configured. A bandwidth limit (the maximum performance limit) is configured to each host LUN in an
LU QoS group.
• This function can be used, irrespective of whether the QoS mode has been enabled or disabled. If the QoS
mode has been disabled, the host starts the operation within the configured bandwidth limit after the
QoS mode is enabled.
• When assigning an LU QoS group to the "Host - CA Port - LUN Group", check the number of host LUNs and
the current usage for the LUN group, and assign the appropriate LU QoS group.
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