HP 3PAR StoreServ 7400 2-node HP 3PAR Command Line Interface Administrator& - Page 157
VVset Icon for QoS Configuration, System Target Type in Con QoS Dialog Box
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Figure 14 VVset Icon for QoS Configuration For VVset QoS configuration, the Target Type field in the Configure QoS dialog box has a second value, System (see Figure 15 (page 157)). Figure 15 System Target Type in Configure QoS Dialog Box A System target-type rule governs all VVsets and VVs that are not subject to explicit QoS rules. You must be very careful when defining the limits for the 'System Target Type. To ensure that at least some IOPS and bandwidth is available to all the volumes under this rule, HP 3PAR Priority Optimization enforces a minimum value for the I/O limit of 1000 IOs/sec and 100,000 KBs/sec for the bandwidth limit, although these limits may be far too low for some environments. If lower values are entered, a popup message appears, showing information about the minimum values, and closes the configuration window. If the System QoS rule is configured, its defined values will show up in the configuration window, and changes can be made to it. Figure 16 (page 158)shows how the System target is displayed in the QoS tree in the Provisioning pane in the HP 3PAR MC. Using HP 3PAR Priority Optimization 157
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