# iostat 2 10
avg-cpu:%user %nice%sys %iowait %idle
12.280.004.76 62.66 20.30
Device:
tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
cciss/c0d00.00 0.00 0.00
0
0
cciss/c0d0p10.00 0.00 0.00
0
0
cciss/c0d0p20.00 0.00 0.00
0
0
sda
0.00 0.00 0.00
0
0
sdb
0.00 0.00 0.00
0
0
sdc
358.502876.002692.00 5752 5384
sdd
380.003180.002714.00 6360 5428
emcpowera 0.00 0.00 0.00
0
0
emcpowerb 0.00 0.00 0.00
0
0
dm-0
684.506056.005406.001211210812
Top
====
top - 12:44:25 up 36 days,8:02,2 users,load average: 3.75, 3.71, 3.62
Tasks: 150 total, 1 running, 149 sleeping, 0 stopped, 0 zombie
Cpu(s): 15.1% us,7.5% sy,0.0% ni,2.2% id, 74.4% wa,0.0% hi,0.8% si
Mem:32911812k total, 32200364k used, 711448k free, 329692k buffers
Swap: 65537156k total, 164200k used, 65372956k free, 29646780k cached
Device:rrqm/s wrqm/s r/s w/srsec/swsec/srkB/swkB/s avgrq-sz avgqu-sz awaitsvctm%util
cciss/c0d0 0.00 0.000.000.000.000.00 0.00 0.00 0.00 0.000.00 0.00 0.00
sda
0.00 0.000.000.000.000.00 0.00 0.00 0.00 0.000.00 0.00 0.00
sdb
0.00 0.000.000.000.000.00 0.00 0.00 0.00 0.000.00 0.00 0.00
sdc
0.00 0.00 190.95 186.93 2850.25 2807.541425.131403.7714.97 1.343.56 1.8971.56
sdd
0.00 0.00 192.96 171.36 2859.30 2649.251429.651324.6215.12 1.333.66 2.0374.07
emcpowera0.00 0.000.000.000.000.00 0.00 0.00 0.00 0.000.00 0.00 0.00
emcpowerb0.00 0.000.000.000.000.00 0.00 0.00 0.00 0.000.00 0.00 0.00
dm-0 0.00 0.00 357.79 303.52 5709.55 5456.782854.772728.3916.89 2.533.82 1.3790.45
# sar 2 10
12:50:31
CPU %user %nice %system %iowait %idle
12:50:33
all 11.250.004.25 58.75 25.75
12:50:35
all 11.970.003.24 55.11 29.68
12:50:37
all 11.030.003.51 62.16 23.31
12:50:39
all 11.000.003.00 54.75 31.25
12:50:41
all 10.470.003.24 57.61 28.68
12:50:43
all8.520.003.26 56.64 31.58
12:50:45
all 12.940.006.72 55.97 24.38
12:50:47
all 11.250.003.50 60.25 25.00
12:50:49
all 10.720.003.99 61.85 23.44
12:50:51
all9.250.003.25 60.50 27.00
Average:
all 10.840.003.80 58.36 27.00
# uptime
12:52:33 up 36 days,8:11,2 users,load average: 3.24, 3.36, 3.48
系统基本上白天晚上一直是这样的情况。
是不是EMC CX4-240 的 r/w 的 cache 出问题了？
piner的《构建Oracle高可用环境》里提到 电池损坏，控制器损坏，电源损坏，甚至是emc cx系列的 os盘损坏，都会自动导致关闭cache。 打打降低存储的写速度。 我们的现象不知道和这个有没关系。
[ 本帖最后由 cactus0509 于 2009-10-11 13:11 编辑 ]
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