Skip to main content
NetApp Knowledge Base

Write-back caching forcibly disabled and Cache Backup Device status is unknown

  1. Last updated
  2. Save as PDF
Views:
451
Visibility:
Public
Votes:
1
Category:
e-series-systems
Specialty:
esg
Last Updated:

Applies to

E-series

Issue

  • EML reports Write-back caching forcibly disabled.
  • Cache Backup Device status is UNKNOWN.

         Cache Backup Device
            Status:                    UNKNOWN
            Type:                      USB flash drive
            Location:                  Controller A, Connector USB 2
            Capacity:                  3,072 MB
            Product ID:                Ext Hard Disk
            Part number:               Not Available
            Serial number:             xxxxxxxxx
            Revision level:            0000
            Manufacturer:              OEM
            Date of manufacture:       Not available
            Status:                    UNKNOWN
            Type:                      USB flash drive
            Location:                  Controller A, Connector USB 1
            Capacity:                  3,072 MB
            Product ID:                Ext Hard Disk
            Part number:               Not Available
            Serial number:             xxxxxxxxx
            Revision level:            0000
            Manufacturer:              OEM
            Date of manufacture:       Not available

 

 

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.