在ASMB进程的的dump文件中，发现有2个4分4秒的等待，waited for 'ASM file metadata operation'和waited for 'latch: shared pool',而其他的相关操作都是只有几微秒，甚至0秒的
3.ASM实例的alert日志：
Mon Jan 05 01:40:56 2015
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TNS-12537: TNS:connection closed
Fatal NI connect error 12537, connecting to:
(DESCRIPTION=(LOCAL=YES)(ADDRESS=(PROTOCOL=beq)))
ns secondary err code: 12560
VERSION INFORMATION:
TNS for IBM/AIX RISC System/6000: Version 11.2.0.3.0 - Production
Oracle Bequeath NT Protocol Adapter for IBM/AIX RISC System/6000: Version 11.2.0.3.0 - Production
nt main err code: 0
Time: 05-JAN-2015 01:40:56
nt secondary err code: 0
Tracing not turned on.
nt OS err code: 0
Tns error struct:
ns main err code: 12537
TNS-12537: TNS:connection closed
ns secondary err code: 12560
nt main err code: 0
nt secondary err code: 0
nt OS err code: 0
Mon Jan 05 04:42:23 2015
NOTE: ASMB process exiting due to lack of ASM file activity for 305 seconds
Mon Jan 05 08:46:53 2015
NOTE: client test5:test5 registered, osid 23593052, mbr 0x0
Mon Jan 05 08:47:24 2015
Starting background process ASMB
Mon Jan 05 08:47:24 2015
ASMB started with pid=26, OS id=20185292
Mon Jan 05 08:47:25 2015
NOTE: client +ASM:+ASM registered, osid 16384406, mbr 0x1