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| Oracle System Handbook - ISO 7.0 May 2018 Internal/Partner Edition | ||
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Solution Type FAB (standard) Sure Solution 2055717.1 : FCO A0348-1: Proactive: A254 Power Supplies experience UV_FAULT failures in SPARC M5-32 and M6-32 platforms.
In this Document
Oracle Confidential PARTNER - Available to partners (SUN). Applies to:SPARC M6-32 - Version All Versions to All Versions [Release All Releases]SPARC M5-32 - Version All Versions to All Versions [Release All Releases] SPARC __________ Affected Parts: (FRU/CRU Part Number / Description) 7070758 - A254 7100W 3-Phase AC Input Power Supply 7074835 - A254 7100W 3-Phase AC Input Power Supply 7074836 - A254 7100W 3-Phase AC Input Power Supply SymptomsPSU faults with ‘UV_FAULT’ (Under Voltage) failure signature that indicates failure due to possible shorting/arcing of internal PSU components due to contamination. Impact Failed PSU(s) do not cause Domain(s) or Platform to shutdown. Twelve PSUs provide 1+1 (2N) redundancy, allowing for a single Grid Failure (6 PSU) as long as the FANS on the PSU are running. ChangesShorting/arcing of internal PSU components due to contamination, typically from dirty environments. Only PSU part numbers listed above, and with a datecode earlier than 1430, are affected by this issue. CauseRoot cause attributed to contamination from dirty environment. New part number 7305956 for the A254 has been released that implements conformal coating and MOSFET lead protection as a preventative measure to address this failure mode. SolutionTarget Completion Date: 23-Sep-2017 Workaround No workaround available - see Resolution section. Resolution Proactively replace all affected A254 Power Supplies (PSUs) with new A254 PSU (p/n 7305956) using the instructions in the below "how to" section. Although there are twelve (12) PSUs per system, they may not all need to be replaced. A254A PSU p/n 7321272 may be used when the 7305956 is not available. First review the FCO 348 Deployment Process document before proceeding further, as the Domain will contact the customer upon SR creation to validate the number of PSU required. The Corrective Action Plan may be reviewed here; Mx-32 - How to implement PSU Replacement for FCO A0348 (Doc ID 2055851.1). Note: All DOA replacement parts should be CPAS'd for analysis. If needed please contact TSC/Domain for details on the CPAS process. Comments An impacted End User List is available in APEX for identifying and tracking remediation activities. Please contact your Regional Deployment Manager for End User information. Regional Deployment Managers EMEA: roberto.donzelli@oracle.com Please reference the Legal approved Customer Ready Document for communicating this issue to your customers. Parts Return Instructions Each replaced PSU should be returned with its own Parts Return Label. FE Onsite Parts orders Please ensure that any PSUs that were replaced (but did not experience a failure) be marked as BAD/SUSPECT with 348 in the FCO# field on the FE Onsite Parts Return Label. For failed PSUs mark as BAD/SUSPECT and leave the FCO# field blank. Partner/Customer Parts Only orders Please ensure that any PSUs that were replaced (but did not experience a failure) be marked as BAD and write FCO 348 in the top right hand corner of the Parts Only Return Label. For failed PSUs mark as BAD but do not write the FCO number anywhere on the label. Note: All DOA replacement parts should be CPAS'd for analysis. If needed please contact TSC/Domain for details on the CPAS process. Identification of Affected Parts (how to): - How to determine the Part Numbers of affected PSUs in a system? 7321272 Does Not require replacement - has Conformal Coating
PSU Part Numbers that Requires FCO 348 replacement
How to determine Week Number from a given Serial Number for PSU Part 7074836?
1. Obtain the Part and Fru/Board Serial Number from either of the two methods provided below 2. If the Part Number is 7074836, obtain the Serial Number 3. In this example, the Serial Number is 1430C56650 (omit the first portion which says 465824T) Board Serial : 465824T+1430C56650 4. The first 2 digits of the serial number tells us Year as 2014 and the next 2 digits tells the Week Code as 30 5. Only for Part 7074836, if the SN is dated Week 30 2014 and higher - DO NOT replace 6. Only for Part 7074836, if the SN is dated Week 29 2014 and below - Replace it
- How to check for Part and Serial Numbers? Two Methods are provided to Identify the Affected Part Numbers and Date Code 1430 and above.
Method#1. From snapshot [Collecting snapshot on ILOM 3.x and later platforms (Doc ID 1020204.1)]
# cat /<snapshot>/ipmi/@usr@local@bin@ipmiint_fru_print.out
Method#2. Command Line option from the Main SP
-> show -t /SYS type=="Power Supply" fru_part_number fru_rev_level fru_serial_number Target | Property | Value ---------------------------------------------+-----------------------------------------------------+-------------------------------- ..output omitted /SYS/PSU6 | fru_part_number | 7305956 <=========== Does not require replacement /SYS/PSU6 | fru_rev_level | 02 /SYS/PSU6 | fru_serial_number | 465824T+1316C52293 /SYS/PSU7 | fru_part_number | 7074836 /SYS/PSU7 | fru_rev_level | 02 /SYS/PSU7 | fru_serial_number | 465824T+1430C56650 <=== Does Not require replacement (week 30 of 2014) /SYS/PSU8 | fru_part_number | 7074836 /SYS/PSU8 | fru_rev_level | 01 /SYS/PSU8 | fru_serial_number | 465824T+1337C53938 <=== Requires Replacement (below week 30 of 2014) ..output omitted
Hardware Remediation and Material Availability Details: (For Hardware FABs (FCOs) only) At publication time of this knowledge article Oracle had limited material to support this activity. Please work with your Local Logistics Management and your FCO Regional Deployment Manager to ensure parts are available. References: ECO: E0023539 CAP: Doc Id 205585.1 ______ Contacts Attachments This solution has no attachment |
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