HP EVA P6550 HP P6000 Enterprise Virtual Array release notes (XCS 10001000) (5 - Page 7
D DE 95 06: A drive, enclosure I/O module is not communicating with the other I/O module, CD C3 05 - firmware
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Page 7 highlights
• Fixed an issue where back-end transport errors caused the controller software to fail a disk drive unnecessarily. • Fixed an issue where the array would not log any events to indicate the back-end disk enclosures were improperly cabled. • Fixed an issue where the I/O module firmware upgrade gets blocked when a disk enclosure disappears and then remains blocked when the enclosure is accessible again. • Fixed a problem that, in rare circumstances, occurred when I/O to a disk volume failed and a bad block replacement was not attempted. As a result, the controller could experience a stalled state and execute a CSM Reset termination to clear the stalled state. • To eliminate unnecessary service actions, reporting of events 0D DE 95 06: A drive enclosure I/O module is not communicating with the other I/O module and 09 CD C3 05: SCMI Fibre Channel port FAILED have been discontinued. • Fixed a rare controller restart that occurs when reading the link status from disk drives while workloads are in progress. • Addressed several situations where drives could erroneously be reported as Single Port on Fibre (SPOF), indicating it is only connected to one of the two device side I/O loops, and has lost redundancy. • Fixed an issue where some drive check conditions were not being handled as transport errors, resulting in drives being failed incorrectly. • Fixed an issue where background processing can be blocked and cause a CSM Reset termination if a drive firmware SMART (Self Monitoring Analysis and Reporting) error is encountered while waiting for a drive quiesce to complete or when accessing disk media. • Fixed an issue where the disk enclosure shutdown process would return a failure status even if the shutdown operation succeeded. • Fixed an issue where some fields were missing or not completely populated in log events related to disk enclosure link module status or firmware upgrades. • Fixed an issue where poorly seated back-end cables could result in too many dropped frame (code 0x061d4709) and metadata error bit (e-bit) set (0x070e0015) events, flooding the logs. • Corrected an issue where the incorrect WWID entered from the operator control panel of an EVA6400/8400 was accepted and stored with the secondary controller. • Fixed an issue where internal parity generation and checking resources were not configured correctly. • Added event logging to output the current controller hardware revision and control and cache memory configuration during boot. • Fixed event strings related to System Inoperative events. • Fixed an issue where the array logs a spontaneous power PC reset termination event instead of the power loss event when power fails during a restart. • Fixed an issue where a controller host port could stop responding after a restart due to the improper processing of brief, recovered link failures. • Fixed a controller restart that resulted from unexpected host mode sense requests. • Fixed a rare condition involving duplicate entries in a host port transaction buffer time and organization queue. The problem appears to occur in all types of controllers and is not port specific. A rare condition results, which may cause the item being aborted to be completed twice. • Fixed unnecessary failover/failback Unit Attention messages that are sent to hosts during controller reboot. The messages affect hosts configured with host modes HP-UX, Sun Solaris, Windows 2003, and Windows 2008. Fixes (XCS 10000000) 7