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AIX errpt:NIM thread blocked

原创 Linux操作系统 作者:zhsumin 时间:2007-09-25 09:38:39 0 删除 编辑
IBM主机2节点HA运行Oracle 10.2,OS errpt报错:NIM thread blocked[@more@]

错误信息:

#errpt
IDENTIFIER TIMESTAMP T C RESOURCE_NAME DESCRIPTION
864D2CE3 0920030307 P S topsvcs NIM thread blocked

#]errpt -aj 864D2CE3
---------------------------------------------------------------------------
LABEL: TS_NIM_ERROR_STUCK_
IDENTIFIER: 864D2CE3

Date/Time: Thu Sep 20 03:03:42 BEIST 2007
Sequence Number: 758
Machine Id: 00CEB22C4C00
Node Id: whdcp5
Class: S
Type: PERM
Resource Name: topsvcs

Description
NIM thread blocked

Probable Causes
A thread in a Topology Services Network Interface Module (NIM) process
was blocked
Topology Services NIM process cannot get timely access to CPU

User Causes
Excessive memory consumption is causing high memory contention
Excessive disk I/O is causing high memory contention

Recommended Actions
Examine I/O and memory activity on the system
Reduce load on the system
Tune virtual memory parameters
Call IBM Service if problem persists

Failure Causes
Excessive virtual memory activity prevents NIM from making progress
Excessive disk I/O traffic is interfering with paging I/O

Recommended Actions
Examine I/O and memory activity on the system
Reduce load on the system
Tune virtual memory parameters
Call IBM Service if problem persists

Detail Data
DETECTING MODULE
rsct,nim_control.C,1.39.1.10,5677
ERROR ID
6XnGH40C8Lw4/DM21L.V2.1...................
REFERENCE CODE

Thread which was blocked
command receive thread
Interval in seconds during which process was blocked
16
Interface name
tty0

故障分析:

在上述例子中,我们看到了系统说明了这是一个NIM 线程被锁死的错误,以及可能导致的

原因及处理方法。 一般这种错误可能是由于系统资源耗尽或者异常大量io 造成的。

Thread which was blocked 中指定了被锁死的进程。在Interval in seconds during which process was blocked 中注明了线程被锁定的时间。在interface
中说明的受影响的adapter(适配器)
故障解决:
如果没有产生adapter down event , 那么这个信息可以忽略不计。因为她不是使cluster 会产生警示的错误报告 。 
但是下面有两种方法可以阻止或减少该种错误报告的产生。 
1.    升级 bos.rte.libpthreads 的包到最新的级别。
2.    降低NIM failure detact rate.
   smitty hacmp
  cluster config
    cluster topology
      configure Network Modules
       Change a Network Module using Predefined Values
   rs232 Ethernet 的值都调慢。 

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