Chapter 12. Troubleshooting258 3ware Serial ATA RAID Controller User GuideBackground InformationThe test estimates how many hours the Battery Backup Unit will be able toback up the 3ware RAID controller in case of a power failure.This test performs a full battery charge/discharge/re-charge cycle and maytake up to 20 hours to complete. During this test the Battery Backup Unitcannot backup the 3ware RAID controller. In addition, all units have theirwrite cache disabled until the test completes.ActionNone required.See AlsoSee the Install Guide for your controller.004F Cache synchronization skippedEvent TypeWarningCauseThe cache synchronization that is normally performed when power is restoredafter a power failure was skipped and write data is still being backed up in thecontroller cache. This can occur if a unit was physically removed or becameinoperable during the power outage.ActionReturn missing drive(s) to the controller so that the missing write data can besaved.0050 Battery capacity test completedEvent TypeInformationCauseThe Battery Backup Unit has completed a battery capacity test.The BBU is again able to backup the 3ware RAID controller and write cachehas been re-enabled for all units. (During the test, backup and write cachewere disabled).
