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Originally Posted by devils_casper if you have only two parts.... partitions... then second is in Extended..... unless you have both PRIMARY..... Obvious. You can't have a Logical partition in the ...
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  1. #21
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    Quote Originally Posted by devils_casper
    if you have only two parts.... partitions... then second is in Extended..... unless you have both PRIMARY.....
    Obvious. You can't have a Logical partition in the root of the drive (or to say, out of a extended partition).

    Quote Originally Posted by devils_casper
    was Linux installed in Logical Partition ????
    The drive was empty, never play with a HD that has a OS in it. I won't install Linux on a drive just to prove a theory when I have other projects at hand, such as PXE booting installs to install in a machine without Floppy or CD-ROM.

    Please research on the topic, Linux doesn't modify anything so the other tools doesn't understand it, please study the anatomy of a PC system.

  2. #22
    Super Moderator devils casper's Avatar
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    Quote Originally Posted by user00265
    Please research on the topic, Linux doesn't modify anything so the other tools doesn't understand it, please study the anatomy of a PC system.
    please install windows and then Linux ... use fdisk......

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  3. #23
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    not at add more fuel but dont u mean
    Install linux then install windows and see that windows cant del/remove the linux partitions? thats what this thread was all about he has linux but wants windows also.. and as i originally said --> install windows then linux again from fresh.. ?????

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    Super Moderator devils casper's Avatar
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    hi richiefrich !!!

    well !! user has linux and wants to remove linux partitions. windows installation cds are not working.....
    why windows cd are not working ??? i already explained...... fdisk wont work.. or any other tool...
    user00265 tried fdisk on empty drive... whats the point ??? we are talking about disk having LINUX.

    if user dont wanna remove linux and asked for windows installation on disk having linux already installed, then there are a lot of ways... but user is asking for removing linux partitions......

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    Quote Originally Posted by devils_casper
    user00265 tried fdisk on empty drive... whats the point ??? we are talking about disk having LINUX.
    The partitions were marked as Linux XFS, Solaris / Swap and Linux Ext2 and respectively formatted for such, just no data in them, hence empty... so it was as-if a Linux was installed. It didn't report any errors or stopped me.

    I am waiting for word from a friend to try what we've discussed so far, and prove either theory.

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    Each "partition" is basically a partition descriptor. Differences between all the various partition type for partitions are defined in the 4th field of the partition descriptor (16-byte structure); generally indicates what operating system or file system can be found on the partition, or what the partition is used for. Modern Linuxes uses value 83, where ancient Linux uses 81, 82 For Linux swap partition, 8E for Linux LVM (i probably skipped some other types designed for Linux but barely anyone uses them nowadays).

    Partition descriptor are stored in a partition table sector. Which the first partition table sector - commonly known as MBR - can only contain 4 of such entries.
    When a partition type is defined as "extended partition". The first sector of this 'partition' will become another partition table sector which holds records of more partition descriptors - commonly known as "logical partitions".
    All partition table sectors other than the MBR contain at most two used partition descriptors, namely at most one partition descriptor with a type not indicating an extended partition and at most one partition descriptor with a type indicating an extended partition. In this way the first sector of each primary extended partition becomes the head of a linked list of partition table sectors which ends with an partition table sector without partition descriptor with a type indicating an extended partition.

    On your previous claims it was impossible to remove linux partitions and linux logical partitions with FDISK. I would like you do look at this following illustrated animations that it is possible (Windows 98 and Windows XP).



    Also, Windows _does_ install on logical partitions/volumes. OS does not care about the logics behind partitioning (thank god, other wise it would not be possible to have system like RAID and Dynamic volumes in Windows or LVM/EVMS on *nix). It only cares about the filesystem used on the volume.


    Have a good day.

  7. #27
    Super Moderator devils casper's Avatar
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    hi Nexu !!!

    nice animation !! right now i dont have a spare system... so cant record and post gif here......

    well ! check these links ...

    http://www.webmasterworld.com/forum40/1387.htm
    http://www.pcguide.com/vb/archive/in...p/t-12618.html
    http://groups.google.co.in/group/alt...e3da05b36f0e52
    http://groups.google.co.in/group/mic...76e67748399c37
    http://groups.google.co.in/group/mic...6a66e884f5054f
    http://linux.about.com/od/commands/l/blcmdl8_fdisk.htm

    Windows fdisk lists these partitions as non-dos with a logical partition, however no logical partition exists and fdisk fails.

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    Thumbs up

    Hi everyone!

    thank you for all you replies.first of all i want to dual boot the hard disk with linux and XP which previously had Linux on it. I dont care if I lose all data cause I already have a backup so even if all partitions are completely wiped out or otherwise doesnt make a much difference

    Quote Originally Posted by devils_casper
    hi user00265 !!!
    Now how dos based utilites work....eg fdisk or whatever you wrote....
    delete Logical first, then extended, last primary...
    windows is not recognizing Linux ( its own Logical partition ) , delete all logical.. it shows Ok..deleted
    delete Extended Partition... Error Message == "you cant, there is Logical partition in extended "... Ok.. lets delete it... hey ! there is no logical partition here.....
    it will not work...... never...

    <=== { casper } ===>
    This is what is exactly happenig when i try to use fdisk
    when i try to install XP it goes to "setup is inspecting system hardware" and hangs:drown:
    when i try to install linux its formats new partions and hangs on screen "Transfering image to hard drive":drown:
    when i use partion magic to remove the linux partions its shows all the operations completed successfully but the old partition remain as they are:drown:
    pretty helpless situation please help
    and thanks in advance for replies

  9. #29
    Super Moderator devils casper's Avatar
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    hi ajit.kulkarni !!!

    you removed linux.......hmmm......

    ok ... two options...
    UBCD its 150 MB but very good.......
    OR
    GParted... just 30 MB

    download and burn .iso image....... delete all partitions......
    go for fresh install.....

    <=== { casper } ===>
    It is amazing what you can accomplish if you do not care who gets the credit.
    New Users: Read This First

  10. #30
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    Quote Originally Posted by devils_casper
    hi Nexu !!!

    nice animation !! right now i dont have a spare system... so cant record and post gif here......

    well ! check these links ...

    http://www.webmasterworld.com/forum40/1387.htm
    http://www.pcguide.com/vb/archive/in...p/t-12618.html
    http://groups.google.co.in/group/alt...e3da05b36f0e52
    http://groups.google.co.in/group/mic...76e67748399c37
    http://groups.google.co.in/group/mic...6a66e884f5054f
    http://linux.about.com/od/commands/l/blcmdl8_fdisk.htm

    Windows fdisk lists these partitions as non-dos with a logical partition, however no logical partition exists and fdisk fails.
    Nice adding links after you posted originally. The first and last links you posted didn't mention what you were going on about at all. The second two mention issues with FAT16/FAT32, I will investigate further.

    to ajit.kulkarni, please run a surface scan on that hard drive, the application in Linux escapes my head right now, but there are a few in Windows that do. Hanging setup while messing with the drive usually means a bad drive.

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