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Host Troubleshooting Wizard

Our Host Troubleshooting Wizard will assist you to quickly resolve common Driver and ULP technical problems.

Production Rollout Checklist

This Production Rollout Checklist describes the steps needed to verify site installation before rolling to production, please consider all the information below carefully while planning your grid production deployment.

Quick Troubleshooting Guide

Sometimes a little helpful direction can be just what you need to get through a tough installation problem. This Quick Troubleshooting Guides below provide some helpful instructions how to isolate problems.Quick Troubleshooting Guide

Grid Director Quick Help

RcvSswitchRelay errors is it a problem?

No, This counter increases every multicast ARP and you should ignore it

Which errors do we use to verify the fabric?

Counter                                            Importance
Width                                                All links should be running at 4X. Any links reporting 1X are bad and need to be repaired
SymbolError                                    Can increase without a significant problem present
LinkErrorRecovery                          Increasing LinkErrorRecovery errors may indicate a bad link
LinkDowned                                     Indicates number of times the port has gone down (usually for valid reasons)
PortRcvErrors                                  This counter should not be increasing. Increasing number indicates a bad link
PortRcvRemotePhysicalErrors       This indicates that a problem is occurring ELSEWHERE in the fabric and that this port received a packet that was intentionally corrupted by another switch in the fabric
PortRcvSwitchRelayErrors             Does not indicate a problem
PortXmitDiscards                            May indicate HOQ or other parameter should be tweaked
PortXmitConstraintErrors              May indicate that a parameter should be tweaked
PortRcvConstraintErrors                May indicate that a parameter should be tweaked
LocalLinkIntegrityErrors                Counter should not be increasing. Increasing number indicates a bad link
ExcessiveBufferOverrunErrors      May indicate that a parameter should be tweaked
Status                                               If the value reads “IB-Timeout” this means that the link is in Initialize mode and failed to negotiate a logical link
VL15Dropped                                   This counter increasing in small increments is not seen as a problem.

How to upgrade ASICs firmware

To upgrade all SLB and SFB boards Login to CLI as admin ( password 123456)
Type:
1. enable ( password Voltaire)
2. update firmware chassis
3. Apply chassis power cycle

Note! you may also upgrade firmware to a specific boards

How to Get Portcounter CSV file

Please make sure the Switch PM (performance monitoring) report is enabled:
Please login to the switch CLI – user admin ( password 123456)
Type:
1. enable ( password Voltaire)
2. config
3. sm
4. pm
5. pm report-enable set enable
6. run traffic wait for 2-3 minutes for data gathering
7. To get the the report either do:
  1. Run export logs from CLI
  2. or open your browser and type http://switch-ip-address/PortCounters.csv

How to upgrade software

Download switch software from Voltaire ftp
Place software package on a local ftp server
Login to CLI and set the ftp setting using the following switch CLI commands
Please login to the switch CLI – user admin ( password 123456)
Type:
1. enable ( password Voltaire)
2. config
3. remote (ftp in previous versions)
4. server (write down the local ftp server ip address)
5. username (write username)
6. password (write password)
7. exit
8. exit
9. update software{write the full path to file directory )
upgrade the switch firmware (if needed)

How to Export Logs

Latest switch code 3.4 export-logs CLI command combines all logs together to a tar file and send it to local ftp. To run export log :

Please login to the switch CLI – user admin ( password 123456)
Type:
1. enable ( password Voltaire)
2. config
3. ftp
4. username [set your ftp username]
5. password [ set you login password]
6. server [set ftp server ipaddress]
7. ExportLogs
8. exit
9. exit
you will find the file LOGs.tar on your local ftp directory

Latest switch code 3.4 export-logs CLI command combines all logs together to a tar file and send it to local ftp. To run export log :

Please login to the switch CLI – user admin ( password 123456)
Type:
1. enable ( password Voltaire)
2. config
3. ftp
4. username [set your ftp username]
5. password [ set you login password]
6. server [set ftp server ipaddress]
7. ExportLogs
8. exit
9. exit
you will find the file LOGs.tar on your local ftp directory

For 5.1 version and higher

From the CLI Switch(config-remote)# menu, set the parameters to the Remote server.
Issue the export-logs CLI, as follows:
ISR2004-38f2(config-remote)# exportLOGs ?
exportLOGs exportLOGs [remote path].
ISR2004-38f2(config-remote)# server 172.25.2.86 ISR2004-38f2(config-remote)# password
password: *******
ISR2004-38f2(config-remote)# username ftpuser ISR2004-38f2(config-remote)# remote show remote configuration

-----------------------
remote server: 172.25.2.86
username: ftpuser
protocol: FTP
ISR2004-38f2(config-remote)# exportLOGs testing Creating archive (could take 1-3 minutes) Extracting info
| 100%

Logs tarball linked to http://172.28.4.80/voltaire/LOGs.tar.gz
Succeeded to create log file

In this example, the tar file will be uploaded to the directory of the Remote server.
The switch will generate the log tar file and ftp it to the remote server.
Collect the tar file from your Remote server and send the tar file to Support.

How to disable ports

Run port-manage –d {lid} { port}
Note ! port is the internal Infiniband ASIC port You may get the lid and port from the port counter csv or netdiscover

How to reset all 1x links in one command

Login to CLI and go to utilities
Run the command netdiscover –r r1x

How to Reconfigure routing to return fabric balance

When servicing boards / removing restoring large number of links or even rebooting many nodes it is recommended to run sm-info sm-initiate-fabric-reconfiguration set command to regain fabric routing balance

GridStack Quick Help

GridStack 3.x How to Upgrade
Remove the old stack: ibhost.init stop rpm -qa\|grep ibhost ( grep the rpm name) rpm -e rm -rf /usr/voltaire /usr/mellanox /usr/mst Install the new RPM: rpm -ivh {rpm name} Start the stack: ibhost.init start

GridStack 4.x - How to install
install the driver tar –jxvf GridStack-4.x ........tar.bz2 (open the zip) cd GridStack-4.x (cd to installation directory, available after the previous step) run: ./install.sh Start the driver /etc/init.d/gridstack {start\|stop} Source /etc/profile (getting the variables)

GridStack 4.x How to Configer IPoIB interface
run ib-config-as-eth Example: ib-config-as-eth -network 192.168.80.05 -netmask 255.255.255.0 -ib ib -mtu 2044 -os RH -overwrite

Voltaire MPI - how to run a quick test
cd /opt/vltmpi/bin (contain binary mpi files) mpirun_ssh –np N [hostname] ……[hostname]./[any mpi application] Examples: mpirun_ssh -np 2 host host ./hello_world Hello world! I'm 0 of 2 on hydra5.support.voltaire.com Cleaning up all processes ... done. mpirun_ssh -np 2 host host ./cpi Process 0 of 2 on hydra5.support.voltaire.com Process 1 of 2 on hydra6.support.voltaire.com pi is approximately 3.1415926544231318, Error is 0.0000000008333387 wall clock time = 0.000386 Cleaning up all processes ... done.

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