Applies to NetApp E-Series Controller upgrades to E4000 platform Issue After controller upgrade (Headswap) to the E4000 platform, one or more of the following alerts may be reported. The alerts will b...Applies to NetApp E-Series Controller upgrades to E4000 platform Issue After controller upgrade (Headswap) to the E4000 platform, one or more of the following alerts may be reported. The alerts will be reported in SANtricity System Manager and the recovery-guru-procedures.html file within Support Bundle and AutoSupport. Battery Removed Write-Back Caching Forcibly Disabled Battery Settings Mismatch