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 the events log on SANtricityCACHE BACKUP DEVICE - Failed
error message is showing in the Recovery Guru.- Additionally, a
CACHE_BACKUP_DEVICE_INSUFFICIENT_CAPACITY
recovery guru failure entry may be logged.
- Additionally, a
- The mSATA drive, used for flushing cache in the event of a power down or sudden loss of power, has failed.
- Depending on the system configuration, an alert may be displayed indicating that the cache is disabled or suspended. This is to be expected if the cache backup device fails.
Failure Entry 2: WB_CACHING_FORCIBLY_DISABLED-Recovery Failure Type Code: 378
- Depending on the system configuration, an alert may be displayed indicating that the cache is disabled or suspended. This is to be expected if the cache backup device fails.
Validate
- The
Storage Array Profile
log indicates that the cache backup device has 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