OnTap 9 Data ONTAP 7 and earlier After upgrading Data ONTAP, all LUNs attached to the Windows 2008 servers appear offline. Disk 1 Offline 306 MB 306 MB * Disk 2 Offline 306 MB 306 MB * Disks are good ...OnTap 9 Data ONTAP 7 and earlier After upgrading Data ONTAP, all LUNs attached to the Windows 2008 servers appear offline. Disk 1 Offline 306 MB 306 MB * Disk 2 Offline 306 MB 306 MB * Disks are good after bringing them back online. Windows Server 2008 or later with SAN Policy set to Offline Shared MPIO of some fashion (ONTAP DSM or MSDSM) Data ONTAP upgrade Note: Clustered Data ONTAP is not affected because the revision code stays the same for luns mapped to a windows igroup.
