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我检查,发现磁盘IO比较大,后来就停了RAC,观察,IO还是比较大,各位给看看
[root@rac1 ~]# mount
/dev/sda2 on / type ext3 (rw)
none on /proc type proc (rw)
none on /sys type sysfs (rw)
none on /dev/pts type devpts (rw,gid=5,mode=620)
usbfs on /proc/bus/usb type usbfs (rw)
/dev/sda1 on /boot type ext3 (rw)
none on /dev/shm type tmpfs (rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
configfs on /config type configfs (rw)
ocfs2_dlmfs on /dlm type ocfs2_dlmfs (rw)
/dev/sdf1 on /data/orahome type ocfs2 (rw,_netdev,heartbeat=local)
/dev/sde1 on /data/oradata type ocfs2 (rw,_netdev,datavolume,nointr,heartbeat=local)
oracleasmfs on /dev/oracleasm type oracleasmfs (rw)
[root@rac1 ~]# iostat
Linux 2.6.9-42.ELsmp (rac1) 01/07/2009
avg-cpu: %user %nice %sys %iowait %idle
0.88 0.00 0.70 30.45 67.97
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 1.23 10.34 48.92 580456 2745580
sda1 0.01 0.02 0.00 1345 4
sda2 6.32 10.28 48.92 577035 2745568
sda3 0.01 0.02 0.00 1099 0
sdb 0.00 0.05 0.00 2931 0
sdb1 0.00 0.00 0.00 274 0
sdc 0.00 0.05 0.00 2931 0
sdc1 0.00 0.00 0.00 274 0
sdd 0.00 0.05 0.00 2930 0
sdd1 0.00 0.00 0.00 273 0
sde 2.25 202.54 1.45 11367455 81105
sde1 2.27 202.52 1.45 11365886 81105
sdf 0.93 5.17 0.55 289928 31017
sdf1 1.43 5.14 0.55 288359 31017
sdg 0.00 0.05 0.00 3042 0
sdg1 0.00 0.00 0.00 273 0
[root@rac1 ~]# sar
07:20:01 AM CPU %user %nice %system %iowait %idle
07:30:01 AM all 0.86 0.00 0.68 30.27 68.19
07:40:01 AM all 0.85 0.00 0.68 29.49 68.97
07:50:01 AM all 0.85 0.00 0.70 30.34 68.11
08:00:01 AM all 0.85 0.00 0.71 29.81 68.64
08:10:01 AM all 0.89 0.00 0.71 29.94 68.46
08:20:01 AM all 0.98 0.00 0.72 30.94 67.35
Average: all 0.87 0.00 0.69 30.19 68.26
给看看,是共享盘阵有问题,还是RAC的问题? |
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