![]() | Sun System Handbook - ISO 4.1 October 2012 Internal/Partner Edition | ||
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Solution Type FAB (standard) Sure Solution 1000865.1 : Devices may become unavailable when attempting USP Non-Stop micro-program exchange on SE9985 or SE9990 systems
PreviouslyPublishedAs 201146 Product Sun StorageTek 9990 System Sun StorageTek 9985 System Impact Non-Stop microcode exchanges can not be performed on Fibre Channel ports with the following microcode combinations when connected to (AIX/MSCS/Tru64/SUN (with HA software)) hosts issuing the 'reserve' command: The DKCMAIN micro-program version before exchange:
The DKCMAIN micro-program version after exchange:
Symptoms This may result in devices becoming inaccessible. Root Cause Microprogram deficiency in handling HA Software 'reserve' commands during Non-Stop microprogram exchange (Microcode Upgrades in ranges outlined in "Impact section" above.) When the 'reserve' command, which was received during an I/O takeover in the Non-Stop micro-program exchange, is executed, invalid reserve information will be set.. Workaround No workaround available - see Resolution section below. Resolution The modified DKCMAIN micro-program versions are as follows:
To resolve this issue, perform the following operations in order.
Comments If the upgrade satisfies the conditions listed above, then shut down the single-path server first, and then, exchange the micro-program in the Alternate SCSI path mode. Note: "Alternate SCSI path mode" method and procedures are documented in SE9990 and SE9985 Maintenance Manuals, Sections MICRO-FC04-10. Related Information
Previously Published As: 102200 Internal Contributor/submitter: [email protected] Internal Eng Business Unit Group: KE Authors Internal Eng Responsible Engineer: [email protected] Internal Services Knowledge Engineer: [email protected] Internal Kasp FAB Legacy ID: 102200 Internal Sun Alert & FAB Admin Info Critical Category: Significant Change Date: Avoidance: Service Procedure Responsible Manager: null Original Admin Info: null Internal SA-FAB Eng Submission Devices may become unavailable when attempting USP Non-Stop micro-program exchange when the subsystem is connected to (AIX/MSCS/Tru64/SUN (with HA software)) hosts issuing the reserve command. Product_uuid 15644879-f179-11d8-ab63-080020a9ed93|Sun StorageTek 9990 System 73084edc-dc32-11d9-8a74-080020a9ed93|Sun StorageTek 9985 System Attachments This solution has no attachment |
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