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Greetings all . I have a couple of questions regarding hard drives in linux. I have a 30GB hd that i'm trying to split up into 2 15gb partitions and ...
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  1. #1
    Just Joined!
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    Jun 2008
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    Help me understand linux harddrives


    Greetings all . I have a couple of questions regarding hard drives in linux. I have a 30GB hd that i'm trying to split up into 2 15gb partitions and when running fdisk /dev/sdb i recieve this message:

    (what exactly does this mean? what are cylinders?)
    The number of cylinders for this disk is set to 4079.
    There is nothing wrong with that, but this is larger than 1024,
    and could in certain setups cause problems with:
    1) software that runs at boot time (e.g., old versions of LILO)
    2) booting and partitioning software from other OSs
    (e.g., DOS FDISK, OS/2 FDISK)


    (what does blocks mean? what does start and end represent?)
    Device Boot Start End Blocks Id System
    /dev/sdb1 1 4079 32764536 83 Linux


    Disk /dev/sdb: 33.5 GB, 33554497536 bytes
    255 heads, 63 sectors/track, 4079 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes


    In the end if somebody could expalin to me what sectors/tracks/cylinders are and how to split up the drive equally (15GB each) i would really appreciate it. i've been reading thru the net but most discussions about harddrives get pretty technical and i'm just looking to understand the basics of it.

  2. #2
    Linux Guru Jonathan183's Avatar
    Join Date
    Oct 2007
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    3,040
    Welcome to the forums romenyrr

    You should be able to find lots of info on the web about hard drives, for example here, the terminology is for the hard drive and is not Linux terminology.
    For partitioning the hard drive try using the PartedMagic CD, it provides a GUI and you should find it easy to use

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