6/30/2010
Data Test Program (dt)
13
Unique Features
nReport no or slow I/O progress
ucan disable timing individual system calls
nRetries data corruptions
ufor file systems via Direct I/O (DIO)
umay also loop on corruption with interval
nHistory for recording I/O’s
udata bytes saved
uoptionally with timing
nLog test info/errors to system logger
nReport periodic statistics via keepalive
nTrigger mechanism for troubleshooting