Pillar Axiom: How to Run Pitman on AxiomOne R5.X Systems (Doc ID 1473515.1)
Last updated on JULY 17, 2017
Pillar Axiom 500 Storage System - Version All Versions and later Pillar Axiom 600 Storage System - Version All Versions and later Information in this document applies to any platform.
The intent of this document is to provide the instructions to run the internal Private Interconnect Fabric diagnostic utility (PITMan) on a field system as part of:
Significant hardware reconfiguration,
Or health check.
This diagnostic is superior to PI Stats because traffic is sent on all paths simultaneously at levels higher than can typically be achieved by the host based generated traffic used with PI Stats. The Axiom can be online and does not interfere with data traffic during the run of this diagnostic utility. The diagnostic does not use user file systems or LUNs to function, so it has no effect on user data.
PITMan Diagnostics can only be run on AxiomONE release 05.00.xx and higher to provide this specific data collection to assist with troubleshooting.
If you want to understand how to interpret the data collection, please refer to <Document 1906880.1> Pillar Axiom: How to Interpret a Pitman Output on AxiomOne R5.X Systems.
IMPORTANT: If you move or replace cables on an Axiom with Optical PI cabling, always be sure to remove and reseat the SFP. If only the optical cable is removed and replaced or re-inserted, the connection may not come back online. There is a scan of all SFPs by the PIM internal fabric switch every 4 seconds, and changes are detected by that scan. The link status change caused by just removing and reseating or replacing the optical cable is not enough to invoke the Private Interconnect port database topology scan. As a matter of practice, you should always remove and re-insert the SFP rather than just the cable.
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