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OceanStor 2200 V3 and 2600 V3 Storage System V300R005 SmartVirtualization Feature Guide 07

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The Link Becomes Abnormal After an HP MSA2012FC/MSA2212FC Storage System Enables the Internal Switch Mechanism

The Link Becomes Abnormal After an HP MSA2012FC/MSA2212FC Storage System Enables the Internal Switch Mechanism

Symptom

An HP MSA2012FC/MSA2212FC storage system is connected to a local storage system over a switched network. When data is being transferred between the two storage systems, the link between them breaks intermittently.

Alarm Information

DeviceManager continuously generates alarms about link disconnection and link recovery (alarm ID: 0xF000B005D).

Possible Causes

On the HP MSA2012FC/MSA2212FC, the Interconnected option is configured for host ports. With this option, HP MSA2012FC/MSA2212FC storage system enables its internal switch mechanism. Ports between its controllers are interconnected for link redundancy.

When HP MSA2012FC/MSA2212FC storage system is connected to a local storage system using switches, you are advised to disable the internal switch mechanism of HP MSA2012FC/MSA2212FC storage system. That is because the compatibility issue with HP MSA2012FC/MSA2212FC storage system causes the intermittent link disconnection.

Procedure

  1. Log in to the management software for HP MSA2012FC/MSA2212FC.
  2. Choose MANAGE > GENERAL CONFIG > host port configuration. In the function pane, click Change FC Port Interconnect Settings.
  3. Under Host Port Configuration, set Internal Host Port Interconnect to Straight-through.

Suggestion and Summary

  • If HP MSA2012FC/MSA2212FC storage system is connected to a local storage system using switches, you are advised to disable the internal switch mechanism, as well as set Internal Host Port Interconnect to Straight-through.
  • If HP MSA2012FC/MSA2212FC storage system is connected to a local storage system using direct connections, you are advised to enable the internal switch mechanism, as well as set Internal Host Port Interconnect to Interconnected.
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Updated: 2018-12-29

Document ID: EDOC1000106155

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