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Cisco Bug: CSCuq93579 - MDS 9500 experiences module or supervisor reload

Last Modified

Jul 28, 2018

Products (1)

  • Cisco MDS 9000 Series Multilayer Switches

Known Affected Releases

5.2(8d) 5.2(8e) 6.2(11)

Description (partial)

Symptom:
A MDS 9500 switch experiences a supervisor switchover or module reload.

Conditions:
This issue applies only to supervisors and linecards of the MDS 9500 platform. 

This issue can occur when high bootflash I/O occurs at the same time as high CPU load. An example situation is the simultaneous deletion of a large number of files from bootflash and running an <i>install all</i> command. 

However, this issue will happen only very rarely and can be considered a corner case.
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