HP MSA2324sa HP StorageWorks 2000 G2 Modular Smart Array reference guide (5009 - Page 96
read the metadata on disks that have failed, controller at the lower firmware level cannot
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Table 14 Event code descriptions and recommended actions (continued) Event Event type Description code Recommended action 161 Informational One or more enclosures do not have a valid path to an EMP. All enclosure EMPs are disabled. 162 Warning The host WWNs (node and port) previously presented by this controller module in this system are unknown. This event has two possible causes: Verify the WWN information for this controller module on all hosts that access it. • One or both controller modules have been replaced or moved while the system was powered off. • One or both controller modules have had their flash configuration cleared (this is where the previously used WWNs are stored). The controller module recovers from this situation by generating a WWN based on its own serial number. 163 Warning The host WWNs (node and port) previously presented by an offline controller module in this system are unknown. This event has two possible causes: • The online controller module reporting the event was replaced or moved while the system was powered off. • The online controller module had its flash configuration (where previously used WWNs are stored) cleared. Verify the WWN information for the other controller module on all hosts that access it. The online controller module recovers from this situation by generating a WWN for the other controller module based on its own serial number. 166 Warning The RAID metadata level of the two controllers does not match. Usually, the controller at the higher firmware level can read metadata written by a controller at a lower firmware level. The reverse is typically not true. Therefore, if the controller at the higher firmware level failed, the surviving controller at the lower firmware level cannot read the metadata on disks that have failed over. Update the controller with the lower firmware level to match the firmware level on the other controller. 167 Warning A diagnostic test at controller bootup detected an abnormal operation, which might require a power cycle to correct. A service technician must review the error information returned. 168 Critical, The specified SES alert condition was Most voltage and temperature errors and warning or detected in the enclosure indicated. Critical warnings relate to the power supply module; informational severity is reported if one of the power see Table 16. If this is logged as a critical supplies in an enclosure has no power event and there is no problem with the supplied to it or if a hardware failure is power source, the indicated FRU has detected. probably failed and should be replaced. 96 Event code reference