E-Series Persistent cache backup device has failed - AutoSupport Message
Applies to
NetApp E-SeriesEvent Summary
Persistent cache backup device has failed is reported in SANtricity System Manager.
The mSATA drive, used for flushing cache in the events of power down or sudden loss of power has failed
Note: There can also be alerts indicating the cache is disabled or suspended. This is to be expected if the cache backup device fails.
Validate
Storage Array Profile shows cache backup device is failed.
Example
Cache Backup Device
Status: Failed
Type: SATA flash drive
Location: Controller B, Connector SATA 2
Capacity: 8,192 MB
Product ID: SV9MST6D030GLM22
Part number: Not Available
Serial number: SPG19020KXS
Revision level: FW11
Manufacturer: XceedLi
Date of manufacture: Not available
Resolution
Additional Information
How to diagnose and resolve stale data (erroneous error) entries on E-Series storage arrays