{{tag>disk performance testing}}

====== dd disk performance test ======
  dd if=/dev/zero of=/data_sdb/testfile bs=1G count=1 oflag=dsync

  dd if=/dev/zero of=/data/testfile bs=512 count=1000 oflag=dsync

====== Tested on ======
  * 

====== See also ======

====== References ======