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Notas del producto de los servidores serie SPARC T7

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Actualización: Junio de 2017
 
 

Se produce un error en el sistema operativo Solaris al pasar a OpenBoot al retirar núcleos SCC y L2DS (21644300, 21772653)

Este problema se corrigió en el firmware del sistema Sun 9.5.2.g.

Si el dominio principal se configura sin recursos suficientes (dos SCC o menos) y los errores corregibles disparan una acción de retiro de FMA que afecta ambos SCC, el dominio se bloquea al reiniciarlo. Los demás dominios no se ven afectados y continúan funcionando normalmente siempre y cuando sus propias unidades y tarjetas de red sigan estando disponibles. Si un error dispara un retiro de dominio, puede ver un fallo utilizando el comando fmadm faulty.


Notas -  En este ejemplo, se muestra la salida de un servidor SPARC T7-2.
SUNW-MSG-ID: SPSUN4V-8001-YA, TYPE: Problem, VER: 1, SEVERITY: Major
EVENT-TIME: Tue Oct  6 18:50:50 EDT 2015
PLATFORM: SPARC T7-2, CSN: 12345678, HOSTNAME: bur-t72-303-sp
SOURCE: fdd, REV: 1.0
EVENT-ID: f78853a2-87cf-e147-efb3-ecc370ef147e
DESC: An event was received indicating a fault was diagnosed by another fault manager.
AUTO-RESPONSE: Refer to the document at http://support.oracle.com/msg/SPSUN4V-8001-YA.
IMPACT: Refer to the document at http://support.oracle.com/msg/SPSUN4V-8001-YA.
REC-ACTION: Use 'fmadm faulty' to provide a more detailed view of this event. Please refer to the associated reference document at http://support.oracle.com/msg/SPSUN4V-8001-YA for the latest service procedures and policies regarding this diagnosis. 

-> fmadm faulty

Time                UUID msgid                                          Severity
------------------- ------------------------------------ -------------- --------
2015-10-06/22:51:00 abea80bd-6d18-46a4-e9cc-fda7df765748 SPSUN4V-8001-YA Major

Problem Status    : open [injected]
Diag Engine       : fdd 1.0
System
   Manufacturer   : Oracle Corporation
   Name           : SPARC T7-2
   Part_Number    : 87654321
   Serial_Number  : 12345678

----------------------------------------
Suspect 1 of 1
   Fault class  : fault.cpu.generic-sparc.l2d-uc
   Certainty    : 100%
   Affects      : /SYS/MB/CM0/CMP/SCC3/L2D1
   Status       : faulted

   FRU
      Status            : faulty
      Location          : /SYS/MB
      Manufacturer      : Oracle Corporation
      Name              : ASY,MB,T7-2
      Part_Number       : 7093274
      Revision          : 02
      Serial_Number     : 465769T+1434NH00JJ
      Chassis
         Manufacturer   : Oracle Corporation
         Name           : SPARC T7-2
         Part_Number    : 87654321
         Serial_Number  : 12345678

Description : A cpu has experienced an uncorrectable level 2 data cache
              error (UE).

Response    : Cpu cores associated with the cache will be deconfigured.

Impact      : Some services may be lost and performance may be impacted.

Action      : Use 'fmadm faulty' to provide a more detailed view of this
              event. Please refer to the associated reference document at
              http://support.oracle.com/msg/SPSUN4V-8001-YA for the latest
              service procedures and policies regarding this diagnosis.

------------------- ------------------------------------ -------------- --------
Time                UUID msgid          Severity
------------------- ------------------------------------ -------------- --------
2015-10-06/22:50:50 f78853a2-87cf-e147-efb3-ecc370ef147e SPSUN4V-8001-YA Major

Problem Status    : open [injected]
Diag Engine       : fdd 1.0
System
   Manufacturer   : Oracle Corporation
   Name           : SPARC T7-2
   Part_Number    : 87654321
   Serial_Number  : 12345678

----------------------------------------
Suspect 1 of 1
   Fault class  : fault.cpu.generic-sparc.l2d-uc
   Certainty    : 100%
   Affects      : /SYS/MB/CM0/CMP/SCC3/L2D0
   Status       : faulted

   FRU
      Status            : faulty
      Location          : /SYS/MB
      Manufacturer      : Oracle Corporation
      Name              : ASY,MB,T7-2
      Part_Number       : 7093274
      Revision          : 02
      Serial_Number     : 465769T+1434NH00JJ
      Chassis
         Manufacturer   : Oracle Corporation
         Name           : SPARC T7-2
         Part_Number    : 87654321
         Serial_Number  : 12345678

Description : A cpu has experienced an uncorrectable level 2 data cache
              error (UE).

Response    : Cpu cores associated with the cache will be deconfigured.

Impact      : Some services may be lost and performance may be impacted.

Action      : Use 'fmadm faulty' to provide a more detailed view of this
              event. Please refer to the associated reference document at
              http://support.oracle.com/msg/SPSUN4V-8001-YA for the latest
              service procedures and policies regarding this diagnosis. 

Este error es la causa raíz de un retiro de dominio si el fallo se notifica en los mismos núcleos que ejecutan el dominio principal, y el dominio principal se bloquea al reiniciarlo.

Solución alternativa: asegúrese de que el dominio invitado principal tenga asignados dos SCC o más (es decir, un mínimo de dos SCC y algunos núcleos adicionales) en el mismo nodo.

Recuperación: restablezca a la fuerza el dominio (reset -f /HOST) para acceder nuevamente. Al reiniciar, el servidor no puede acceder a la configuración de SPM guardada recientemente, y, en su lugar, se revierte a la configuración por defecto de fábrica.