nTrigger script exit value action (only pertains to
no-progress I/O feature):
u0 = continue
u1 = terminate
u2 = sleep
u3 = abort
n
nExample:
u% cat trigger
uecho $*
uexit 2
u% dt of=/var/tmp/dt.data
alarm=3s trigger="cmd:trigger" disable=stats flags=direct bs=32k
noprogt=1s limit=1m procs=100
udt (16308): No progress made
for 2 seconds!
udt (16308): Executing: trigger
/var/tmp/dt.data-16308 noprog 512 131072 0 0 0
u/var/tmp/dt.data-16308 noprog
512 131072 0 0 0
udt (16308): Trigger exited
with status 2!
udt (16308): Sleeping
forever...
u ...