GPT and MBR/PMBR
16.01.2012
znek@zoidberg:(~)$ sudo gpt -r show -l /dev/rdisk0
gpt show: /dev/rdisk0: Suspicious MBR at sector 0
start size index contents
0 1 MBR
1 1 Pri GPT header
2 32 Pri GPT table
34 6
40 409600 1 GPT part - "EFI System Partition"
409640 499446368 2 GPT part - "nZoidberg"
499856008 262151
500118159 32 Sec GPT table
500118191 1 Sec GPT header
znek@zoidberg:(~)$ sudo fdisk /dev/rdisk0
Disk: /dev/rdisk0 geometry: 31130/255/63 [500118192 sectors]
Signature: 0xAA55
Starting Ending
#: id cyl hd sec - cyl hd sec [ start - size]
------------------------------------------------------------------------
1: EE 1023 254 63 - 1023 254 63 [ 1 - 409639] <Unknown ID>
*2: AF 1023 254 63 - 1023 254 63 [ 409640 - 499446368] HFS+
3: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
4: 00 0 0 0 - 0 0 0 [ 0 - 0] unused
znek@zoidberg:(~)$ sudo dd if=/dev/rdisk1 of=pmbr.bin bs=512 count=1
znek@zoidberg:(~)$ sudo dd if=pmbr.bin of=/dev/rdisk0 bs=512 count=1
znek@zoidberg:(~)$ sudo gpt -r show -l /dev/rdisk0
start size index contents
0 1 PMBR
1 1 Pri GPT header
2 32 Pri GPT table
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