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Cisco Bug: CSCup06959 - USB-WRITE-FAIL due to FlashMgr task stuck in a scenario

Last Modified

Feb 08, 2017

Products (1)

  • Cisco ONS 15454 Series Multiservice Provisioning Platforms

Known Affected Releases

10.012 10.10 9.607 9.608

Description (partial)

Symptom:
USB-WRITE-FAIL alarm gets raised upon stressing the node with multiple parallel operations. The specific operations involved continuous Bulk PM retrieval, DB deletion, OIR of the LCD module and reset of the standby controller.

Conditions:
Issue was seen on a multishlelf having more than 10 shelves upon doing the following operations. 
1. Continuous Bulk PM retrieval for M6 MSM node.
2. With Slot-1 active, Plugged out LCD module.
3. Reset active controller and wait till card comes up.
4. With Slot-8 active, delete the database using vxWorks command
5. Inserted LCD module.

USB-WRITE-FAIL alarm will be raised due to flash manager being stuck.
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Bug Details Include

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