Sun System Handbook - ISO 3.4 June 2011 Internal/Partner Edition | |||
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Solution Type Problem Resolution Sure Solution 1006233.1 : Sun Fire[TM] Servers: Interpreting System Management Services(SMS) Failed Power Supply Messages
PreviouslyPublishedAs 208741
Applies to:Sun Fire E20K ServerSun Fire E25K Server Sun Fire 12K Server Sun Fire 15K Server All Platforms Add ***Checked for relevance on 27-Dec-2010*** SymptomsA failed power supply must be replaced to insure proper platform operation.Accurate interpretation of the error message is critical. Changes{CHANGE}CauseEach of the members of the Highend Platform Family(12K/15K/E20K/E25K) contain six AC-to-DC power supplies. On detection of a power supply failure, you must contact your authorized Sun[TM] Service representative to have any failed supplies replaced.SolutionThe SMS "showenvironment -p powers" command will display the status of the six power supplies. Partial output from this command is contained in the example below:
This example shows PS0 has a failed fan and PS5 has a failed unit status. Messages are logged in the SMS platform messages file (/var/opt/SUNWSMS/adm/platform/messages) at the time of failure. Example messages for the above failures are shown below: Example message 1: May 1 23:17:12 2004 sc0 esmd[1363]: [1926 17158283261375019 ERR Equipment.cc 604] A power supply failure has been noted on PS at PS5. For N+1 redundancy, the system configuration requires 19034.00 watts. In the above message, SMS has detected a unit fail status on PS5 and has
tripped its breakers. The remaining power supplies are providing 20,000
watts for a system, which requires 19,034 watts for N+1 redundancy. The
system is still within N+1 power redundancy. Example message 2:
May 24 06:32:36 2004 sc0 esmd[1363]: [1925 19085207450945051 ERR Equipment.cc 531] An internal fan failure has been noted in PS at PS0, which is being shutdown. For N+1 redundancy, the system configuration requires 18311.00 watts. The power supplies are providing 16000.00 watts. May 24 06:32:37 2004 sc0 esmd[1363]: [1929 19085208483622553 NOTICE Patrols.cc 1916] PS at PS0 breaker has been tripped: ecode = 0 In the above message, SMS has detected a failed fan internal to PS0. For such a failure SMS must shut down the power supply to prevent overheating. It trips the failed supply's breakers. In this failure, the system requires 18,311 watts for N+1 redundancy. The remaining supplies are providing only 16,000 watts. The system has fallen below the required power for N+1 redundancy. An additional power supply failure would enter brown out condition and the results are undefined. A domain crash is likely.
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