是否有可能使用iostat（或其他工具）来获取读取/写入操作的次数“自上次服务器重新启动”？
我的意思是：我需要知道自上次启动以来，服务器进行了多less次读取/写入，而不是实时。
谢谢！
有关数据量，请参阅iostat ：
[root@example ~]# iostat -m Linux 2.6.32-431.11.2.el6.x86_64 (example.com) 08/08/2014 _x86_64_ (2 CPU) avg-cpu: %user %nice %system %iowait %steal %idle 0.38 0.00 4.10 0.36 0.10 95.07 Device: tps MB_read/s MB_wrtn/s MB_read MB_wrtn sda 0.95 0.01 0.01 68451 77290 vda 13.95 0.26 0.33 2871276 3572093 dm-0 1.93 0.01 0.01 64657 73426 dm-1 14.39 0.26 0.33 2871274 3572093
-m将在MiB（而不是块）中显示输出，并且MB_read ， MB_wrtn是您正在查找的数字。
有关I / O操作（请求）的总数，请参阅/sys/block/$DEV/$PART/stat ，例如/sys/block/sda/sda1/stat或/proc/diskstats ，可以解释如下（这是从内核文档树 ）：
What: /proc/diskstats Date: February 2008 Contact: Jerome Marchand <[email protected]> Description: The /proc/diskstats file displays the I/O statistics of block devices. Each line contains the following 14 fields: 1 - major number 2 - minor mumber 3 - device name 4 - reads completed successfully 5 - reads merged 6 - sectors read 7 - time spent reading (ms) 8 - writes completed 9 - writes merged 10 - sectors written 11 - time spent writing (ms) 12 - I/Os currently in progress 13 - time spent doing I/Os (ms) 14 - weighted time spent doing I/Os (ms) For more details refer to Documentation/iostats.txt