nTEST DESCRIPTION: Creates a
single large file of 15TB, then starts 15 processes each doing I/O to their own slice. The step option is used to skip 25MB between records, writing approximately 153GB’s
of data.
n
u# dt \
u of=${OutputFile} \
u aios=8 \
u flags=direct \
u limit=15t \
u step=25m \
u slices=15 \
u oncerr=abort \
u bs=256k \
u dispose=keep \
u enable=debug \
u logu=logs/dt.log
u
uNote: The example requires
dt version 16.14, otherwise add iodir=reverse