BRC - Replace a RAID cache module for a rack-mounted appliance

Probleme beim Server HP DL380p Gen8 hp cache status problem detected p212 in slot 5 Not using cache Stop HP RAID Smart Array P212 in Slot 2 Array A SAS, Unused Space: 0 MB HP hpe 1000w flex slot titanium hot plug power supply kit The P212 is ideal for RAID 0, 1, 1+0, and can be upgraded with 256 MB Cache module for RAID 5, 5+0 and additionally with Battery Kit and Smart Array

hpe 800w flex slot platinum hot plug low halogen power supply kit I have tried a 256 cache board, 512 cache board, new battery cable, 4 different batteries, and they all say the sam ething, cache is disabled I