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获取磁盘IOPS数值[shell]，
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获取磁盘IOPS数值[shell]
#!/bin/sh
DISK="vdc1"
function getIops(){
READ1=`cat /proc/diskstats |grep "${DISK} "|awk '{print $4}'`
WRIT1=`cat /proc/diskstats |grep "${DISK} "|awk '{print $8}'`
sleep 10
READ2=`cat /proc/diskstats |grep "${DISK} "|awk '{print $4}'`
WRIT2=`cat /proc/diskstats |grep "${DISK} "|awk '{print $8}'`
REAdioPS=$(( ($READ2-$READ1)/10 ))
WRITIOPS=$(( ($WRIT2-$WRIT1)/10 ))
echo DISK: $DISK,READ IOPS: $REAdioPS
echo DISK: $DISK,WRIT IOPS: $WRITIOPS
}
getIops
