HP StorageWorks MSA2012i HP StorageWorks 2000 Modular Smart Array Reference Gu - Page 198
Stopping I/O, Select Monitor > Statistics > Overall Rate Stats.
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6. Review the information displayed in the status page. If the fault relates to a controller module or power module, an image of the enclosure is displayed. ■ The module is shaded red if it has a fault or is powered off. ■ The module is overlaid with the words "NOT INSTALLED" if it is absent or not fully inserted. Stopping I/O When troubleshooting drive and connectivity faults, ensure you have a current full backup. As an additional data protection precaution, stop all I/O to the affected virtual disks. When on-site, you can verify that there is no I/O activity by briefly monitoring the system LEDs; however, when accessing the storage system remotely, this is not possible. To check the I/O status of a remote system, use the Monitor > Statistics > Overall Rate Stats page. The Overall Rate Stats page enables you to view I/O based on the host-side activity interval since the page was last refreshed. The page automatically refreshes at a 60-second interval. The following data is presented for all virtual disks: ■ The total IOPS and bandwidth for all virtual disks ■ The IOPS and bandwidth for each virtual disk To use the Overall Rate Stats page to ensure that all I/O has ceased on a remote system: 1. Quiesce host applications that access the storage system. 2. Select Monitor > Statistics > Overall Rate Stats. 3. Click your browser's refresh button to ensure that current data is displayed. 198 HP StorageWorks 2000 Family Modular Smart Array reference guide • August 2008