os:6.1.2.0# sar -b 2 10
AIX erpdb 1 6 00C48F654C00 11/13/14
System configuration: lcpu=32 mode=Capped
15:49:42 bread/s lread/s %rcache bwrit/s lwrit/s %wcache pread/s pwrit/s
15:49:44 0 0 0 0 0 0 0 0
15:49:46 0 0 0 0 0 0 0 0
15:49:48 0 0 0 0 0 0 0 0
15:49:50 0 0 0 0 0 0 0 0
15:49:52 0 0 0 0 0 0 0 0
15:49:54 0 0 0 0 0 0 0 0
15:49:56 0 0 0 0 0 0 0 0
15:49:58 0 0 0 0 0 0 0 0
15:50:00 0 0 0 0 0 0 0 0
15:50:02 0 0 0 0 0 0 0 0
Average 0 0 0 0 0 0 0 0
我可以确定当时一定有IO活动,但怎么观测不到呢,是需要开启某些参数吗?
收起