User manual HP STORAGEWORKS XP AUTO LUN SOFTWARE

[. . . ] HP StorageWorks Auto LUN XP user guide for the XP1024/XP128 Part number: T1615-96003 Third edition: March 2006 Legal and notice information © Copyright 2005, 2006 Hewlett-Packard Development Company, L. P. Valid license from HP required for possession, use or copying. Consistent with FAR 12. 211 and 12. 212, Commercial Computer Software, Computer Software Documentation, and Technical Data for Commercial Items are licensed to the U. S. Government under vendor's standard commercial license. [. . . ] If auto migration is not completed within this limit, Auto LUN XP cancels operations. disk utilization: Set a disk usage limit. number of vols for migration: Specify the maximum number of volumes that can be auto migrated at the same time. Click Set. 28 Auto LUN XP for the XP1024/XP128 10. Click Close. Deleting auto migration plans · To delete all auto migration plans, click Delete All. · To delete one auto migration plan, click the plan in the table, and click Delete. Remaking auto migration plans If auto migration operations do not produce enough improvements in disk access performance, discard the current migration plans and create new auto migration plans. In the Auto Migration tab, change the limit on the disk usage rate for HDD classes. Make any other changes in the Auto Plan Parameters section of the pane. The existing auto migration plans are deleted and new auto migration plans are created. Click Close. Attribute tab Use this tab to find out which parity group belongs to which HDD class. The tab also displays information about parity groups, such as parity group usage, logical volume capacity, and RAID type. Figure 8 Attribute pane Pane contents This pane contains the following items: · Monitoring Term: Displays the monitoring period specified in the Auto LUN pane, analyzes disk usage information collected by Auto LUN XP during the monitoring period, and calculates estimated usage rates of the source and target parity groups after a proposed volume migration. · Gathering Time: Displays the time specified in the Auto LUN XP Monitoring Options pane. The disk array collects usage statistics about resources (such as hard disk drives) at the specified gathering time. Auto LUN XP user guide for the XP1024/XP128 29 Auto LUN XP uses collected usage statistics to estimate usage rates of parity groups after a proposed volume migration. · Attribute tree: Lists HDD classes. When you double-click an HDD class icon, a list of parity groups in that HDD class appears. · Apply button: Applies settings in the Attribute tab to the disk array. · Reset button: Discards changes in the Attribute tab and restores the original settings. · Close button: Closes this pane. · Class table boxes: When you click a class in the Attribute tree, the table displays information about parity groups in that class. Figure 9 Class table boxes · PG: Parity group ID. · Ave. : Average usage rate for the parity group. If an exclamation mark (!) appears, the reported usage rate might be inaccurate because the configuration has changed (for example, volumes have been moved by a migration plan or changed by VSC). · Max. : Maximum usage rate for the parity group. If an exclamation mark (!) appears, the reported usage rate might be inaccurate. [. . . ] · Attribute: Priority of each host bus adapter. indicates a high-priority HBA (prioritized WWN). indicates a low-priority HBA (non-prioritized WWN). iSCSI ports are always prioritized ports. [. . . ]