Applies to NetApp E-Series. Description This article describes the troubleshooting approach when LUN's are visible at the host end but cannot be accessed. We can perform basic checks from our end as t...Applies to NetApp E-Series. Description This article describes the troubleshooting approach when LUN's are visible at the host end but cannot be accessed. We can perform basic checks from our end as the LUN is visible at the host end, but may be corrupted and cannot be accessed/Unreadable