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Low Performance of Application Servers Due to Outdated Storage Software

Publication Date:  2012-07-22 Views:  306 Downloads:  0
Issue Description

The performance of ASs is low due to frequent linkup and linkdown between FC host ports.

Product and version information:
  • S5000 series
  • The version of the controller software is
Alarm Information

In the ISM, choose Fault > Fault Management, and the alarm message Host Port Links Down can be found under Faults List.

Handling Process
  • This fault can be removed by upgrading to the latest version of storage software.


    For the steps on upgrading the storage software, see the section "Upgrade" in the supplied configuration guide.

Root Cause
  1. By checking the system log, the command reset for resetting host ports can be found.
    Sep 2 09:56:38 OceanStor kernel: [1004957263]Register good but link not good, reset it
  2. By checking the version of the controller software, the version is found to be earlier than (inclusive).


  • The performance of the AS is low due to outdated storage software.