HP P4000 9.0 HP StorageWorks P4000 SAN Solution User Guide - Page 153
Storage systems in the management group, Storage systems in the cluster
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warning by turning that line red. As soon as the total number of iSCSI sessions reduces below the boundary, the summary bar returns to the previous indicator, either orange or green. Storage systems in the management group The optimum number of storage systems in a management group ranges up to 20. If the management group contains 21 to 30 storage systems, the Configuration Summary appears orange for that line of the management group. Exceeding 30 storage systems triggers a warning by turning that line red. As soon as the total number of storage systems reduces below the boundary, the summary bar returns to the previous indicator, either orange or green. Storage systems in the cluster The optimum number of storage systems in a cluster ranges up to 10. If the cluster contains 11 to 16 storage systems, the Configuration Summary appears orange for that line of the management group. Exceeding 16 storage systems in a cluster triggers a warning by turning that line red. As soon as the total number of storage systems reduces below the boundary, the summary bar returns to the previous indicator, either orange or green. Reading the configuration summary Each management group in the SAN is listed on the Configuration Summary. Underneath each management group is a list of the storage items tracked, such as storage systems, volumes, or iSCSI sessions. As items are added to the management group, the Summary graph fills in and the count is displayed in the graph. The Summary graph fills in proportionally to the optimum number for that item in a management group, as described in the "Best practices" on page 152. Optimal configurations Optimal configurations are indicated in green. For example, in Figure 54 on page 154, there are 15 storage systems in the management group "CJS1." Those 15 storage systems are divided among the clusters "c" "c2" and "c3." The length of the graph is relative to the recommended maximums in each category. For example, 3 storage systems in cluster c3 are closer to the cluster recommended maximum for storage systems than the 43 iSCSI sessions are to the maximum recommended iSCSI sessions for a management group. P4000 SAN Solution user guide 153
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