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Cisco Bug: CSCul15987 - FEX modules disconnected during file copy to bootflash

Last Modified

Feb 18, 2018

Products (7)

  • Cisco Nexus 5000 Series Switches
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 5020 Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5010 Switch
  • Cisco Nexus 5596T Switch

Known Affected Releases

5.2(1)N1(5)

Description (partial)

Symptom:
Some FEX modules got disconnected from the parent Nexus 5000 switch during an external file copy to disk. 

When this happens, the VTY session and the file transfer progress hangs as well.

Conditions:
This was observed under the following conditions:
- Nexus 5020 switch with multiple FEX modules connected to it. 
- /var/sysmgr internal directory is at high usage. This can be checked using command:
# show system internal flash
- The file transfer was made via the mgmt0 interface.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
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