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I know this question has been asked many times and even I have asked it once...But as today I came to know about fdisk so thought of posting it so that someone having good knowledge can help me better.

Here is the log created by fdisk and I would like ubunto to show me sda3 and sda4 which its not showing right now and even my windows 7 is not booting up.I have all of my data in one of them and really need it.

Thanks

Disk /dev/sda: 250.1 GB, 250059350016 bytes
255 heads, 63 sectors/track, 30401 cylinders, total 488397168 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: 0x3aa63aa5

Device Boot      Start         End      Blocks   Id  System
/dev/sda1              63        2047         992+  42  SFS
/dev/sda2   *        2048      206847      102400   42  SFS
/dev/sda3          206848   176334847    88064000   42  SFS
/dev/sda4       466913278   488396799    10741761    5  Extended
/dev/sda5       486445056   488396799      975872   82  Linux swap / Solaris
/dev/sda6       466913280   486445055     9765888   83  Linux

Partition table entries are not in disk order

Disk /dev/sdb: 8075 MB, 8075120640 bytes
255 heads, 63 sectors/track, 981 cylinders, total 15771720 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: 0x00000000

Device Boot      Start         End      Blocks   Id  System
dev/sdb1   *        2048    15771647     7884800    b  W95 FAT32
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1 Answer 1

Well sda1, sda2 and sda3 are of SFS type.When Linux reports SFS for MS Windows machines, that generally means that the Windows machine HDD was formatted using Dynamic Volumes. Partition type 42 is a Windows specific dynamic partitioning type that Linux may not be fully aware of or feel safe modifying.

They are Pure dynamic disks (those not containing any hard-linked partitions) have only a single partition table entry (type 42) to define the entire disk. Dynamic disks store their volume configuration in a database located in a 1-MB private region at the end of each dynamic disk.

You could follow this link to convert your Dynamic hdd to basic hdd.

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I am ready to do all format and have learned a lot in last 2 days so would do a fresh install... tinypic.com/r/34g6irb/6 this is my screenshot of Gparted and would like to recover the data in the unallocated space as I have all my important data on that. –  Shivam Chopra Jan 1 '13 at 23:56
    
Can I get any help? –  Shivam Chopra Jan 2 '13 at 17:13
    
yeah you could use Testdisk to recover your data. you could have a look at this rodsbooks.com/missing-parts/index.html –  Mukund Jan 2 '13 at 17:22

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