Applies to NetApp E-Series SANtricity OS 11.51 and higher SANtricity OS 11.6x SANtricity OS 11.7x Issue Both controllers will issue a reset due to Ancient IO after the user suspends SSD Cache. Suspend...Applies to NetApp E-Series SANtricity OS 11.51 and higher SANtricity OS 11.6x SANtricity OS 11.7x Issue Both controllers will issue a reset due to Ancient IO after the user suspends SSD Cache. Suspending Read Cache is necessary in some cases, ie SSD firmware upgrade.