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Partition corruption please help!
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<blockquote data-quote="furk" data-source="post: 1326974" data-attributes="member: 223776"><p>Hi all mates i'm new here.</p><p></p><p>I've got a biiig problem with my macbook air. It has 120gb HDD partitioned 40gb snowleopard and 80gb bootcamp with win7. Win7 was not booting anymore complaining about boot record corruption but ntfs partition was still correctly mounted on leopard. I've run disktest with ubuntu remix rescue and now bootcamp partition is not mounted anymore even on leopard <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /></p><p></p><p>Here is my current situation:</p><p></p><p>diskutil list</p><p></p><p>*** Report for internal hard disk ***</p><p></p><p>Current GPT partition table:</p><p> # Start LBA End LBA Type</p><p> 1 40 409639 EFI System (FAT)</p><p> 2 409640 88227879 Mac OS X HFS+</p><p> 3 88492032 234440703 Basic Data</p><p></p><p>Current MBR partition table:</p><p> # A Start LBA End LBA Type</p><p> 1 1 409639 ee EFI Protective</p><p> 2 409640 88227879 af Mac OS X HFS+</p><p> 3 * 88492032 234440703 0b FAT32 (CHS)</p><p></p><p>MBR contents:</p><p> Boot Code: Unknown, but bootable</p><p></p><p>Partition at LBA 40:</p><p> Boot Code: None (Non-system disk message)</p><p> File System: FAT32</p><p> Listed in GPT as partition 1, type EFI System (FAT)</p><p></p><p>Partition at LBA 409640:</p><p> Boot Code: None</p><p> File System: HFS Extended (HFS+)</p><p> Listed in GPT as partition 2, type Mac OS X HFS+</p><p> Listed in MBR as partition 2, type af Mac OS X HFS+</p><p></p><p>Partition at LBA 88492032:</p><p> Boot Code: None</p><p> File System: Unknown</p><p> Listed in GPT as partition 3, type Basic Data</p><p> Listed in MBR as partition 3, type 0b FAT32 (CHS), active</p><p></p><p>[550]>sudo sudo fdisk /dev/disk0s3</p><p>Disk: /dev/disk0s3 geometry: 9084/255/63 [145948672 sectors]</p><p>Signature: 0xAA55</p><p> Starting Ending</p><p> #: id cyl hd sec - cyl hd sec [ start - size]</p><p>------------------------------------------------------------------------</p><p> 1: 87 1023 254 63 - 1023 254 63 [ 88492032 - 57456640] NTFS VS </p><p> 2: 00 0 0 0 - 0 0 0 [ 0 - 0] unused </p><p> 3: 00 0 0 0 - 0 0 0 [ 0 - 0] unused </p><p> 4: 00 0 0 0 - 0 0 0 [ 0 - 0] unused </p><p></p><p>this should be wrong situation of mbr shown by fdisk.</p><p></p><p>Using gdisk:</p><p></p><p>[551]>sudo sudo gdisk /dev/disk0s3</p><p>GPT fdisk (gdisk) version 0.8.1</p><p></p><p>Partition table scan:</p><p> MBR: MBR only</p><p> BSD: not present</p><p> APM: not present</p><p> GPT: not present</p><p></p><p></p><p>***************************************************************</p><p>Found invalid GPT and valid MBR; converting MBR to GPT format.</p><p>THIS OPERATION IS POTENTIALLY DESTRUCTIVE! Exit by typing 'q' if</p><p>you don't want to convert your MBR partitions to GPT format!</p><p>***************************************************************</p><p></p><p>Exact type match not found for type code 8700; assigning type code for</p><p>'Apple HFS/HFS+'</p><p></p><p>Warning! Secondary partition table overlaps the last partition by</p><p>33 blocks!</p><p>You will need to delete this partition or resize it in another utility.</p><p></p><p>Command (? for help): r</p><p></p><p>Recovery/transformation command (? for help): o</p><p></p><p>Disk size is 145948672 sectors (69.6 GiB)</p><p>MBR disk identifier: 0x00000000</p><p>MBR partitions:</p><p></p><p>Number Boot Start Sector End Sector Status Code</p><p> 1 1 145948671 primary 0xEE</p><p></p><p>Recovery/transformation command (? for help): p</p><p>Disk /dev/disk0s3: 145948672 sectors, 69.6 GiB</p><p>Logical sector size: 512 bytes</p><p>Disk identifier (GUID): AD80F954-8EE2-464D-9F17-D0C7716F3DAC</p><p>Partition table holds up to 128 entries</p><p>First usable sector is 34, last usable sector is 145948638</p><p>Partitions will be aligned on 2048-sector boundaries</p><p>Total free space is 88491998 sectors (42.2 GiB)</p><p></p><p>Number Start (sector) End (sector) Size Code Name</p><p> 1 88492032 145948671 27.4 GiB AF00 </p><p></p><p>This is some kind of gpt partition table backup loaded but i get overlapping problem and can't save.</p><p></p><p>Recovery/transformation command (? for help): l</p><p>Enter backup filename to load: gpt.backup</p><p>Warning! Current disk size doesn't match that of the backup!</p><p>Adjusting sizes to match, but subsequent problems are possible!</p><p></p><p>Recovery/transformation command (? for help): o</p><p></p><p>Disk size is 145948672 sectors (69.6 GiB)</p><p>MBR disk identifier: 0xB278B5DB</p><p>MBR partitions:</p><p></p><p>Number Boot Start Sector End Sector Status Code</p><p> 1 1 409639 primary 0xEE</p><p> 2 409640 88227879 primary 0xAF</p><p> 3 * 88492032 234440703 primary 0x07</p><p></p><p>Recovery/transformation command (? for help): p</p><p>Disk /dev/disk0s3: 145948672 sectors, 69.6 GiB</p><p>Logical sector size: 512 bytes</p><p>Disk identifier (GUID): C3B164E4-D499-4802-BE37-FBD34DB1B173</p><p>Partition table holds up to 128 entries</p><p>First usable sector is 34, last usable sector is 145948638</p><p>Partitions will be aligned on 2048-sector boundaries</p><p>Total free space is 264158 sectors (129.0 MiB)</p><p></p><p>Number Start (sector) End (sector) Size Code Name</p><p> 1 40 409639 200.0 MiB EF00 EFI System Partition</p><p> 2 409640 88227879 41.9 GiB AF00 NotQuiteMaxDisk</p><p> 3 88492032 234440703 69.6 GiB 0700 BOOTCAMP</p><p></p><p>Recovery/transformation command (? for help): w</p><p></p><p>Warning! Secondary partition table overlaps the last partition by</p><p>88492065 blocks!</p><p>You will need to delete this partition or resize it in another utility.</p><p></p><p>Problem: partition 3 is too big for the disk.</p><p>Aborting write operation!</p><p>Aborting write of new partition table.</p><p></p><p>Sorry for the long post...i don't know what to try anymore <img src="/mac_images/images/smilies/Embarrassed.png" class="smilie" loading="lazy" alt=":[" title="Embarrassed :[" data-shortname=":[" /></p></blockquote><p></p>
[QUOTE="furk, post: 1326974, member: 223776"] Hi all mates i'm new here. I've got a biiig problem with my macbook air. It has 120gb HDD partitioned 40gb snowleopard and 80gb bootcamp with win7. Win7 was not booting anymore complaining about boot record corruption but ntfs partition was still correctly mounted on leopard. I've run disktest with ubuntu remix rescue and now bootcamp partition is not mounted anymore even on leopard :( Here is my current situation: diskutil list *** Report for internal hard disk *** Current GPT partition table: # Start LBA End LBA Type 1 40 409639 EFI System (FAT) 2 409640 88227879 Mac OS X HFS+ 3 88492032 234440703 Basic Data Current MBR partition table: # A Start LBA End LBA Type 1 1 409639 ee EFI Protective 2 409640 88227879 af Mac OS X HFS+ 3 * 88492032 234440703 0b FAT32 (CHS) MBR contents: Boot Code: Unknown, but bootable Partition at LBA 40: Boot Code: None (Non-system disk message) File System: FAT32 Listed in GPT as partition 1, type EFI System (FAT) Partition at LBA 409640: Boot Code: None File System: HFS Extended (HFS+) Listed in GPT as partition 2, type Mac OS X HFS+ Listed in MBR as partition 2, type af Mac OS X HFS+ Partition at LBA 88492032: Boot Code: None File System: Unknown Listed in GPT as partition 3, type Basic Data Listed in MBR as partition 3, type 0b FAT32 (CHS), active [550]>sudo sudo fdisk /dev/disk0s3 Disk: /dev/disk0s3 geometry: 9084/255/63 [145948672 sectors] Signature: 0xAA55 Starting Ending #: id cyl hd sec - cyl hd sec [ start - size] ------------------------------------------------------------------------ 1: 87 1023 254 63 - 1023 254 63 [ 88492032 - 57456640] NTFS VS 2: 00 0 0 0 - 0 0 0 [ 0 - 0] unused 3: 00 0 0 0 - 0 0 0 [ 0 - 0] unused 4: 00 0 0 0 - 0 0 0 [ 0 - 0] unused this should be wrong situation of mbr shown by fdisk. Using gdisk: [551]>sudo sudo gdisk /dev/disk0s3 GPT fdisk (gdisk) version 0.8.1 Partition table scan: MBR: MBR only BSD: not present APM: not present GPT: not present *************************************************************** Found invalid GPT and valid MBR; converting MBR to GPT format. THIS OPERATION IS POTENTIALLY DESTRUCTIVE! Exit by typing 'q' if you don't want to convert your MBR partitions to GPT format! *************************************************************** Exact type match not found for type code 8700; assigning type code for 'Apple HFS/HFS+' Warning! Secondary partition table overlaps the last partition by 33 blocks! You will need to delete this partition or resize it in another utility. Command (? for help): r Recovery/transformation command (? for help): o Disk size is 145948672 sectors (69.6 GiB) MBR disk identifier: 0x00000000 MBR partitions: Number Boot Start Sector End Sector Status Code 1 1 145948671 primary 0xEE Recovery/transformation command (? for help): p Disk /dev/disk0s3: 145948672 sectors, 69.6 GiB Logical sector size: 512 bytes Disk identifier (GUID): AD80F954-8EE2-464D-9F17-D0C7716F3DAC Partition table holds up to 128 entries First usable sector is 34, last usable sector is 145948638 Partitions will be aligned on 2048-sector boundaries Total free space is 88491998 sectors (42.2 GiB) Number Start (sector) End (sector) Size Code Name 1 88492032 145948671 27.4 GiB AF00 This is some kind of gpt partition table backup loaded but i get overlapping problem and can't save. Recovery/transformation command (? for help): l Enter backup filename to load: gpt.backup Warning! Current disk size doesn't match that of the backup! Adjusting sizes to match, but subsequent problems are possible! Recovery/transformation command (? for help): o Disk size is 145948672 sectors (69.6 GiB) MBR disk identifier: 0xB278B5DB MBR partitions: Number Boot Start Sector End Sector Status Code 1 1 409639 primary 0xEE 2 409640 88227879 primary 0xAF 3 * 88492032 234440703 primary 0x07 Recovery/transformation command (? for help): p Disk /dev/disk0s3: 145948672 sectors, 69.6 GiB Logical sector size: 512 bytes Disk identifier (GUID): C3B164E4-D499-4802-BE37-FBD34DB1B173 Partition table holds up to 128 entries First usable sector is 34, last usable sector is 145948638 Partitions will be aligned on 2048-sector boundaries Total free space is 264158 sectors (129.0 MiB) Number Start (sector) End (sector) Size Code Name 1 40 409639 200.0 MiB EF00 EFI System Partition 2 409640 88227879 41.9 GiB AF00 NotQuiteMaxDisk 3 88492032 234440703 69.6 GiB 0700 BOOTCAMP Recovery/transformation command (? for help): w Warning! Secondary partition table overlaps the last partition by 88492065 blocks! You will need to delete this partition or resize it in another utility. Problem: partition 3 is too big for the disk. Aborting write operation! Aborting write of new partition table. Sorry for the long post...i don't know what to try anymore :[ [/QUOTE]
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Partition corruption please help!
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