Created
November 8, 2010 17:04
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Disk geometry in Plan9 and Linux
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| % cat /dev/sdC0/ctl | |
| inquiry QEMU HARDDISK | |
| config 0040 capabilities 0B00 dma 00550020 dmactl 00550020 rwm 16 rwmctl 16 lba48always off | |
| geometry 125045424 512 16386 16 83 | |
| part data 0 125045424 | |
| part plan9 1024 4196352 | |
| part linux 4196352 25168896 | |
| part linux1 25168896 125044736 | |
| part 9fat 1024 205824 | |
| part nvram 205824 205825 | |
| part fossil 205825 3398246 | |
| part swap 3398246 4196352 | |
| % disk/fdisk /dev/sdC0/data | |
| cylinder = 524288 | |
| empty 0 1 (1 cylinders, 512.00 KB) | |
| * p1 1 4098 (4097 cylinders, 2.00 GB) PLAN9 | |
| p2 4098 24579 (20481 cylinders, 10.00 GB) LINUX | |
| >>> |
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| $ sudo fdisk /dev/sda | |
| Command (m for help): p | |
| Disk /dev/sda: 64.0 GB, 64023257088 bytes | |
| 32 heads, 32 sectors/track, 122114 cylinders, total 125045424 sectors | |
| Units = sectors of 1 * 512 = 512 bytes | |
| Sector size (logical/physical): 512 bytes / 512 bytes | |
| I/O size (minimum/optimal): 512 bytes / 512 bytes | |
| Disk identifier: 0xbd2685fc | |
| Device Boot Start End Blocks Id System | |
| /dev/sda1 * 1024 4196351 2097664 39 Plan 9 | |
| /dev/sda2 4196352 25168895 10486272 83 Linux | |
| /dev/sda3 25168896 125044735 49937920 83 Linux | |
| Command (m for help): |
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