今天换了存储的硬盘，同步以后发现系统报错ADAPTER PERFORMANCE DEGRADED
运行errpt -aj 3DB7729E
LABEL: SSA_DEGRADED_ERROR
IDENTIFIER: 3DB7729E
Date/Time: Sat Feb 13 00:00:00 2010
Sequence Number: 28433
Machine Id: 00007FDF4C00
Node Id: cpicjn6001
Class: H
Type: PERF
Resource Name: ssa0
Resource Class: adapter
Resource Type: ssa160
Location: U0.1-P1-I1/Q1
VPD:
Part Number................. 09L5695
FRU Number.................. 34L5388
Serial Number...............S0066394
EC Level.................... F23699
Manufacturer................IBM053
ROS Level and ID............B300 0000
Loadable Microcode Level....05
Device Driver Level.........00
Displayable Message.........SSA-ADAPTER
Device Specific.(Z0)........SDRAM=128
Device Specific.(Z1)........CACHE=32
Device Specific.(Z2)........UID=000008005AEB6444
Description
ADAPTER PERFORMANCE DEGRADED
Probable Causes
ADAPTER
Failure Causes
ADAPTER
Recommended Actions
PERFORM PROBLEM DETERMINATION PROCEDURES
Detail Data
ERROR CODE
0425 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
---------------------------------------------------------------------------
LABEL: SSA_DEGRADED_ERROR
IDENTIFIER: 3DB7729E
Date/Time: Fri Feb 12 19:00:00 2010
Sequence Number: 28432
Machine Id: 00007FDF4C00
Node Id: cpicjn6001
Class: H
Type: PERF
Resource Name: ssa0
Resource Class: adapter
Resource Type: ssa160
Location: U0.1-P1-I1/Q1
VPD:
Part Number................. 09L5695
FRU Number.................. 34L5388
Serial Number...............S0066394
EC Level.................... F23699
Manufacturer................IBM053
ROS Level and ID............B300 0000
Loadable Microcode Level....05
Device Driver Level.........00
Displayable Message.........SSA-ADAPTER
Device Specific.(Z0)........SDRAM=128
Device Specific.(Z1)........CACHE=32
Device Specific.(Z2)........UID=000008005AEB6444
运行diag，检查 没有发现问题
查找资料发现有个帖子
SSA_DEGRADED_ERROR: Dormant Fast Write Cache Entry
--------------------------------------------------------------------------------
Environment
AIX Version 4.3
Problem
The following error appears in the the error log:
LABEL: SSA_DEGRADED_ERROR
SRN: 42527
This error indicates that a dormant fast write cache entry exists. The fast write cache contains unsynchronized data for a disk drive that is no longer available. If the disk drive is available, it can be reattached to try and synchronize the data, but if the drive has failed, the dormant cache entry can be deleted.
Solution
Delete the dormant fast write cache entry using SMIT.
Enter:
smitty ssafastw > Cache is offline for these devices (select this one) >
List of Devices hdisk#
Enable Fast-Write no
Force Delete yes
Enter:
smitty ssafastw > The dormant cache entry no longer exists.
Now save and clear the error log:
errpt -a > /tmp/filename
errclear 0
/usr/lib/errstop
/usr/lib/errdemon
目前不敢操作，等明天找IBM工程师，看是否这个解决办法
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