Table 1
| 
 | Operating | Label Type For | Label Type For | Label Type For | |
| Support Level | LUNs Less | LUNs Between | LUNs Larger | ||
| System | |||||
| 
 | Than 1TB | Than 2TB | |||
| 
 | 
 | ||||
| 
 | 
 | 
 | 
 | 
 | |
| Full support of | IBM AIXa | VTOC or EFI | VTOC or EFI | EFI or sVTOC | |
| LUNs larger than | 
 | 
 | 
 | 
 | |
| Linux 2.6 kernel | VTOC or EFI | VTOC or EFI | EFI or sVTOC | ||
| 2TB | |||||
| 
 | 
 | 
 | 
 | 
 | |
| 
 | Windows Server | VTOC or EFI | VTOC or EFI | EFI or sVTOC | |
| 
 | 2003 SP1 | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | |
| 
 | Apple Xsan 1.3 | VTOC or EFI | VTOC or EFI | EFI or sVTOC | |
| 
 | on OS X Tiger | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | |
| Full support of | Solaris 10 | VTOC or EFI | EFI only | EFI only | |
| LUNs larger than | Update 2 | 
 | 
 | 
 | |
| 2TB, with | 
 | 
 | 
 | 
 | |
| specific label | 
 | 
 | 
 | 
 | |
| requirements | 
 | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | |
| Support for only | Apple Xsan 1.2 | VTOC only | VTOC only | sVTOC only | |
| the first 2TB of | 
 | 
 | 
 | 
 | |
| Apple Xsan 1.3 | VTOC or EFI | VTOC or EFI | sVTOC or EFI | ||
| LUNs larger than | |||||
| 2TB | on OS X Panther | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | |
| 
 | 
 | VTOC or EFI | VTOC or EFI | sVTOC or EFI | |
| 
 | 
 | 
 | 
 | 
 | |
| 
 | Windows XP or | VTOC or EFI | VTOC or EFI | sVTOC or EFI | |
| 
 | Windows 2000 | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | |
| No support for | SGI IRIX | VTOC only | VTOC only | Not supported | |
| LUNs larger than | 
 | 
 | 
 | 
 | |
| Linux 2.4 kernel | VTOC or EFI | VTOC or EFI | Not supported | ||
| 2TB | |||||
| 
 | 
 | 
 | 
 | 
 | |
| 
 | Solaris 9 with | VTOC or EFI | EFI only | Not supported | |
| 
 | the “Big LUN” | 
 | 
 | 
 | |
| 
 | patch | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | |
| 
 | Solaris 10 with | VTOC or EFI | EFI only | Not supported | |
| 
 | no patches | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | |
| 
 | Solaris 9 with no | VTOC only | Not supported | Not supported | |
| 
 | patches | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
a.AIX is limited to LUNs that are 2.2TB or smaller.
| 12 | 2TB LUN Requirements | 
