Applies toNetApp E-Series
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.
Storage Array Profile shows cache backup device is failed.
Cache Backup Device
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
Date of manufacture: Not available
Please contact NetApp Technical Support and reference this article for further assistance. The solution might require a part replacement.