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Troubleshooting Sun StorageTek 2500, Sun Storage 2500-M2, Sun Storage 6000: Volume Not on Preferred Path (Doc ID 1136186.1)

Last updated on APRIL 20, 2018

Applies to:

Sun Storage Common Array Manager (CAM) - Version 5.0 and later
SANtricity Storage Manager - Version 10.50 and later
Sun Storage 6780 Array - Version Not Applicable and later
Sun Storage Flexline 240 Array - Version Not Applicable and later
Sun Storage Flexline 280 Array - Version Not Applicable and later
Information in this document applies to any platform.

Purpose

This document is intended to provide a basic overview on how to troubleshoot events for volume not on preferred path.

Please validate that each troubleshooting step below is true for your environment. Each step will provide instructions via a link to a document, for validating the step and taking corrective action as necessary. The steps are ordered in the most appropriate sequence to isolate the issue and identify the proper resolution. Please do not skip a step.
Symptoms:

If the multipathing relationship between the server and array is mis-configured, you will generate volume not on preferred path alarms. Make sure the host type selected on the array matches the failover software on the server. See <Document 1003750.1> How to choose an Initiator Host Type for Sun Storage 6000 and Sun StorageTek 2500 Arrays

Troubleshooting Steps

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In this Document
Purpose
Troubleshooting Steps
References

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