ctape1.log

Linux磁盘测试的源代码,测试磁盘的读写性能

sco% dt of=/dev/rmt/ctape1 bs=32k limit=Inf pattern=iot                          
Write Statistics:
     Total records processed: 487715 @ 32768 bytes/record (32.000 Kbytes)
     Total bytes transferred: 15981445120 (15606880.000 Kbytes, 15241.094 Mbytes)
      Average transfer rates: 1327899 bytes/sec, 1296.776 Kbytes/sec
     Number I/O's per second: 40.524
      Total passes completed: 0/1
       Total errors detected: 0/1
          Total elapsed time: 3h20m35.14s
           Total system time: 00m44.67s
             Total user time: 03m25.71s

Read Statistics:
     Total records processed: 487715 @ 32768 bytes/record (32.000 Kbytes)
     Total bytes transferred: 15981445120 (15606880.000 Kbytes, 15241.094 Mbytes)
      Average transfer rates: 1326516 bytes/sec, 1295.426 Kbytes/sec
     Number I/O's per second: 40.482
      Total passes completed: 1/1
       Total errors detected: 0/1
          Total elapsed time: 3h20m47.68s
           Total system time: 00m46.93s
             Total user time: 12m40.88s

Total Statistics:
     Output device/file name: /dev/rmt/ctape1
    Data pattern string used: 'IOT Pattern'
     Total records processed: 975430 @ 32768 bytes/record (32.000 Kbytes)
     Total bytes transferred: 31962890240 (31213760.000 Kbytes, 30482.188 Mbytes)
      Average transfer rates: 1316156 bytes/sec, 1285.308 Kbytes/sec
     Number I/O's per second: 40.166
      Total passes completed: 1/1
       Total errors detected: 0/1
          Total elapsed time: 6h44m45.04s
           Total system time: 01m31.60s
             Total user time: 16m06.59s
               Starting time: Fri Aug  6 20:14:16 1999
                 Ending time: Sat Aug  7 02:58:59 1999

sco%