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ibdmtr(1) [centos man page]

IBDMTR(1)						       IB DATA MODEL PACKAGE							 IBDMTR(1)

ibdmtr - Fabric Trace Route SYNOPSYS
ibdmtr [-v][-h] {-c <cbaling file>|-t <topo file>} -s <sm node name> -p <sm port num> -d <comma-sep-dr-path> DESCRIPTION
This utility parses a cabling list or topology file describing the systems connections that make a fabric. Then it start following the direct route provided and print out the systems and nodes on the route. ARGUMENTS Required arguments description. -t|--topology <file> Topology file describing the network. See man ibdm-topology-file. -c|--cables <file> Cabling list file. Following the line format: <Sys1Type> <Sys1Name> <Port1Name> <Sys2Type> <Sys2Name> <Port2Name> -s|--sm-node <name> The name of the SM node (not system). E.g. OSM/U1. -p|--port-num <num> The number of the SM node port the SM is attached to -d|--dr-path <comm-sep-dr-path> A list of ports to go out through OPTIONS
-v|--verbose verbsoe mode -h|--help provide this help message AUTHOR
Eitan Zahavi, Mellanox Technologies LTD, IBDM 1.0 2008-06-16 IBDMTR(1)

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IBDM - Network Checker and Attributes Analyzer SYNOPSYS
ibdmchk has two operation modes: design and verification. DESIGN: ibdmchk [-v][-h][-u][-r <roots file>] -t <topology file> -n <SM Node> -p <SM Port> [-e] [-l <lmc>] VERIFICATION: ibdmchk [-v][-h][-r <roots file>] [-s <subnet file>] [-f <fdb file>] [-m <mcfdbs file> [-l <lmc>] [-u] [-M] [-a] [-c <path sl file>] [-d <sl2vl tables file>] DESIGN MODE DESCRIPTION
The Design mode is intended to be used before the cluster is built. It provides basic checks of the specified network as described by a topology file. After simulating the SM LID assignment and routing algorithms it provides reports of the (H)CA to (H)CA paths depth his- togram and credit deadlock potential in the resulting routing scheme. ARGUMENTS
: -t|--topo <topo file> The topology file specifying the network. See man ibdm-topology-file -n|--node <SM Node> The name of the Subnet Manager node (syntax: <Topo-File-System>/U1) -p|--port <SM Port> The port number by which the SM nodes is attached to the fabric. OPTIONS
-v|--verbose Verbsoe mode -h|--help Provides this help message -l|--lmc <lmc> LMC value > 0 means assigning 2^lmc lids to each port. -e|--enh Use enhanced routing algorithm when LMC > 0 and report the resulting paths correlation (using same system/node) histogram -r|--roots <roots file> A file with all the roots node names (one on each line). VERIFICATION MODE DESCRIPTION
After the cluster is built and OpenSM is run (using flag -D 0x43) it reports the subnet and FDB tables into the files osm-subnet.lst, osm.fdbs and osm.fdbs in /var/log/ (or subnet.lst, osm.fdbs and osm.mcfdbs into /var/cache/ibutils in older OpenSM versions). ibdiagnet is also producing the same files in its output directory. Based on these files the utility checks all CA to CA connectivity. Further analysis for credit deadlock potential is performed and reported. In case of an LMC > 0 it reports histograms for how many systems and nodes are common between the different paths for the same port pairs. ARGUMENTS
-l|--lmc <lmc> The LMC value used while running OpenSM. Mandatory if not the default 0. OPTIONS
-v|--verbose Verbsoe mode -h|--help Provides this help message -s|--subnet <file> OpenSM subnet.lst file (default is /var/log/osm-subnet.lst or /var/cache/ibutils/subnet.lst) -f|--fdb <file> OpenSM dump of Ucast LFDB. Use -D 0x41 to generate it (default is /var/log/osm.fdbs or /var/cache/ibutils/osm.fdbs). -m|--mcfdb <file> OpenSM dump of Multicast LFDB. Use -D 0x41 to generate it (default is /var/log/osm.mcfdbs or /var/cache/ibutils/osm.mcfdbs). -c|--psl <file> Source Guid to DLID -> Path SL mapping. Each line holds: src_node_guid dlid sl. Used by the credit loop check to accuartly model SL/VL based routing. -d|--slvl <file> SL2VL mapping of all switces. Each line holds: swguid iport oport 0x(sl0)(sl1) 0x(sl2)(sl3)... Used by the credit loop check to accuartly model SL/VL based routing. -r|--roots <roots file> A file holding all root nodes guids (one per line). -u|--updn Use Up/Down based credit loop check algorithm instead of the generic one. -M|--MFT Include multicast routing in credit loops analysis. -a|--all Verify not only CA-CA paths but also SW-SW, CA-SW and SW-CA. Both check for FDB path connectivity and also for credit loops. AUTHOR
Eitan Zahavi, Mellanox Technologies LTD, IBDM 1.0 2009-03-17 IBDMCHK(1)
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