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EMS log reports "event extCache.io.writeError"

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Category:
fas-systems
Specialty:
hw
Last Updated:

Applies to

  • FAS26x0
  • FAS27x0
  • FAS8200
  • ONTAP 9

Issue

  1. EMS log reports the event "wafl_exempt02: extCache.io.writeError".

Example:

[wafl_exempt02: extCache.io.writeError:notice]: WAFL external cache I/O write error: Insertq_save: unable to alloc context chain, code 0.

[wafl_exempt02: extCache.io.writeError:notice]: WAFL external cache I/O write error: Insertq_save: unable to set up context chain, code 0.

  1. Flash Cache NVMe state is OK.

Example:

sysconfig -a

 slot 1: Flash Cache NVMe 
                 Serial Number:      S3K7NX0K203844 
                 Part Number:        119-00328 
                 Hardware Revision:  A0 
                 Firmware Version:   NA00 
                 Model Name:         X3310A 
                Capacity:           512 GB 
                 Vendor Name:        Samsung 
                 State:              ok

 

 
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