The following is an example of a partition table from a 4.0-Gbyte disk with a VTOC label displayed from the format utility:
Total disk cylinders available: 8892 + 2 (reserved cylinders) Part Tag Flag Cylinders Size Blocks 0 root wm 1110 - 4687 1.61GB (0/3578/0) 3381210 1 swap wu 0 - 1109 512.00MB (0/1110/0) 1048950 2 backup wm 0 - 8891 4.01GB (0/8892/0) 8402940 3 unassigned wm 0 0 (0/0/0) 0 4 unassigned wm 0 0 (0/0/0) 0 5 unassigned wm 0 0 (0/0/0) 0 6 unassigned wm 0 0 (0/0/0) 0 7 home wm 4688 - 8891 1.89GB (0/4204/0) 3972780 |
The partition table displayed by the format utility contains the following information:
Column Name |
Description |
---|---|
Part |
Partition (or slice number). See Table 10–7 for a description of this column. |
Tag |
Partition tag. See Table 10–7 for a description of this column. |
Flags |
Partition flag. See Table 10–7 for a description of this column. |
Cylinders |
The starting and ending cylinder number for the slice. |
Size |
The slice size in Mbytes. |
Blocks |
The total number of cylinders and the total number of sectors per slice in the far right column. |
First Sector |
EFI – The starting block number. |
Last Sector |
EFI – The ending block number. |
The following is an example of a EFI disk label displayed by using the prtvtoc command.
# prtvtoc /dev/rdsk/c4t1d0s0 * /dev/rdsk/c4t1d0s0 partition map * * Dimensions: * 512 bytes/sector * 2576941056 sectors * 2576940989 accessible sectors * * Flags: * 1: unmountable * 10: read-only * * First Sector Last * Partition Tag Flags Sector Count Sector Mount Directory 0 2 00 34 629145600 629145633 1 4 00 629145634 629145600 1258291233 6 4 00 1258291234 1318633404 2576924637 8 11 00 2576924638 16384 2576941021 * Flags: * 1: unmountable * 10: read-only * |
The prtvtoc command provides the following information:
Column Name |
Description |
---|---|
Dimensions |
This section describes the physical dimensions of the disk drive. |
Flags |
This section describes the flags listed in the partition table section. For a description of partition flags, see Table 10–7. |
Partition (or Slice) Table |
This section contains the following information: |
Partition |
Partition (or slice number). For a description of this column, see Table 10–7. |
Tag |
Partition tag. For a description of this column, see Table 10–7. |
Flags |
Partition flag. For a description of this column, see Table 10–7. |
First Sector |
The first sector of the slice. |
Sector Count |
The total number of sectors in the slice. |
Last Sector |
The last sector of the slice. |
Mount Directory |
The last mount point directory for the file system. |