测一下64G文件8k随机读写
# 。/iozone -Rab iozone.wks -s64G -i 2 -y 8k -q 8k
Iozone： Performance Test of File I/O
Version $Revision： 3.345 $
Compiled for 64 bit mode.
Build： linux-AMD64
Contributors:William Norcott， Don Capps， Isom Crawford， Kirby Collins
Al Slater， Scott Rhine， Mike Wisner， Ken Goss
Steve Landherr， Brad Smith， Mark Kelly， Dr. Alain CYR，
Randy Dunlap， Mark Montague， Dan Million， Gavin Brebner，
Jean-Marc Zucconi， Jeff Blomberg， Benny Halevy， Dave Boone，
Erik Habbinga， Kris Strecker， Walter Wong， Joshua Root，
Fabrice Bacchella， Zhenghua Xue， Qin Li.
Run began： Fri Nov 14 15:52:01 2008
Excel chart generation enabled
Auto Mode
File size set to 67108864 KB
Using Minimum Record Size 8 KB
Using Maximum Record Size 8 KB
Command line used： 。/iozone -Rab iozone.wks -s64G -i 2 -y 8k -q 8k
Output is in Kbytes/sec
Time Resolution = 0.000001 seconds.
Processor cache size set to 1024 Kbytes.
Processor cache line size set to 32 bytes.
File stride size set to 17 * record size.
random random bkwd record stride
KB reclen write rewrite read reread read write read rewrite read fwrite frewrite fread freread
67108864 8
Error reading block at 6501007360
read： Success
出错了（？？）