Ken,
On 4/21/2010 3:07 AM, Ken Teague wrote:
On Tue, Apr 20, 2010 at 2:13 PM, Ken Teague<ktea...@pobox.com> wrote:
I have a 17-node cluster and each node has a single IB card that has
2x IB ports (ib0 and ib1).....
After doing a little more research, I confirmed that my understanding
of the manual page is correct. To run opensm for each GUID, I
modified my init script to run a for loop based on the information
returned from "ibstat -p".
I added this near the beginning of the script where the other
environment variables are located:
<snip>
OFA_HOME="/usr/local/sbin"
IBSTAT_BIN="${OFA_HOME}/ibstat"
IBSTAT_ARG="-p"
OPENSM_BIN="${OFA_HOME}/opensm"
OPENSM_ARG="-B -g"
<snip>
I replaced the single line which started opensm with this for loop:
for i in `${IBSTAT_BIN} ${IBSTAT_ARG}`
do
${OPENSM_BIN} ${OPENSM_ARG} ${i}
done
<snip>
If anyone has a more elegant way to handle this, I'm open to
suggestions. Many thanks.
OpenSM dumps various files to /var/log and /var/cache/opensm folders.
When you have more than one OpenSM process, they will all dump the
same files, which is probably not a good idea.
To change the output directories, set the OSM_TMP_DIR and
OSM_CACHE_DIR env. variables to some other place.
In addition, you need to make sure that each SM instance
prints its log in a different place. You need to do
something like this:
foreach guid in guid_list
export OSM_TMP_DIR=/tmp/osm_dump_dir${guid}
export OSM_CACHE_DIR=/tmp/osm_dump_dir${guid}
opensm --log_file /tmp/osm_dump_dir${guid}/osm.log -g ${guid} [your
other options]
-- Yevgeny
Ken
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