HP StorageWorks MSA2012i HP StorageWorks 2000 Modular Smart Array Reference Gu - Page 206
Checking PHY Status, SMU's Expander Status includes an Expander Controller PHY Detail panel.
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SMU provides an Expander Status page, which contains an Expander Controller Phy Detail panel. This panel shows information about each PHY in the internal data paths between the Storage Controller, Expander Controller, drives, and expansion ports. By reviewing this page you can quickly locate the internal data path that has a fault. Checking PHY Status SMU's Expander Status page includes an Expander Controller PHY Detail panel. This panel shows the internal data paths that show the data paths for the Storage Controller, Expander Controller, disks, and expansion ports. Review this page to locate an internal data path that has a fault. To view expander status information, see "Expander Status" on page 167. When working with intermittent errors, you might want to reset PHY status so that you can observe error trend information. A Diagnostic Manage user can do this on the Expander Isolation page. 1. Select Manage > Utilities > Diagnostic Tools > Expander Isolation. The Expander Isolation page is similar to the Expander Status page, but enables you to reset expander error counters, manually disable or enable individual PHYs, and disable or enable PHY fault isolation. 2. Select an enclosure. 3. Note the PHY that is currently in error. 4. Click Clear Errors to reset PHY error counters. When the error recurs, review the Expander Controller Phy Detail page for any changes. The error counters display only the errors that occurred in the interval between the clearing PHY statuses and the current time. For more information about the Expander Isolation page, see "Changing PHY Fault Isolation Settings" on page 211. 206 HP StorageWorks 2000 Family Modular Smart Array reference guide • August 2008