linux命令大集合

测试硬盘写入
sync;/usr/bin/time -p bash -c "(dd if=/dev/zero of=test.dd  bs=1000K count=2000;sync)"

fio -filename=/dev/vdb -direct=1 -iodepth 1 -thread -rw=write -ioengine=psync -bs=1000k -size=2G -numjobs=30 -group_reporting -name=mytest

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转载自leichenlei.iteye.com/blog/2380811