02-28-2002
You may want to add...
>/tmp/test.ksh.err 2>&1
...to the end of your cron job line.
This may give you some hint as to why
the shell script is not working.
Sometimes, you need to specify the full path
name to commands when running under cron as
they may not get a full environment set when
the execute.
In your shell try...
!#/bin/ksh
/bin/ping -c1 -q 172.27.38.2 > /path/res.log
# assuming ping is in /bin
Your cron like...
29 15 * * * ksh /path/test.ksh >/tmp/test.ksh.err 2>&1
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LEARN ABOUT CENTOS
ibv_rc_pingpong
IBV_RC_PINGPONG(1) USER COMMANDS IBV_RC_PINGPONG(1)
NAME
ibv_rc_pingpong - simple InfiniBand RC transport test
SYNOPSIS
ibv_rc_pingpong [-p port] [-d device] [-i ib port] [-s size] [-r rx depth] [-n iters] [-l sl] [-e] HOSTNAME
ibv_rc_pingpong [-p port] [-d device] [-i ib port] [-s size] [-r rx depth] [-n iters] [-l sl] [-e]
DESCRIPTION
Run a simple ping-pong test over InfiniBand via the reliable connected (RC) transport.
OPTIONS
-p, --port=PORT
use TCP port PORT for initial synchronization (default 18515)
-d, --ib-dev=DEVICE
use IB device DEVICE (default first device found)
-i, --ib-port=PORT
use IB port PORT (default port 1)
-s, --size=SIZE
ping-pong messages of size SIZE (default 4096)
-r, --rx-depth=DEPTH
post DEPTH receives at a time (default 1000)
-n, --iters=ITERS
perform ITERS message exchanges (default 1000)
-l, --sl=SL
use SL as the service level value of the QP (default 0)
-e, --events
sleep while waiting for work completion events (default is to poll for completions)
SEE ALSO
ibv_uc_pingpong(1), ibv_ud_pingpong(1), ibv_srq_pingpong(1)
AUTHORS
Roland Dreier
<rolandd@cisco.com>
BUGS
The network synchronization between client and server instances is weak, and does not prevent incompatible options from being used on the
two instances. The method used for retrieving work completions is not strictly correct, and race conditions may cause failures on some
systems.
libibverbs August 30, 2005 IBV_RC_PINGPONG(1)