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SSD Alignment Calculator

Discussion in 'Articles' started by W1zzard, Oct 30, 2009.

  1. W1zzard

    W1zzard Administrator Staff Member

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    Last edited: Oct 30, 2009
    human_error says thanks.
  2. W1zzard

    W1zzard Administrator Staff Member

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    The calculator will not work when viewed from the forum. Go here instead.
     
  3. Wrigleyvillain

    Wrigleyvillain PTFO or GTFO

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    Great tool, thanks!
     
  4. graysky

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    Nice util. Any idea how a Linux user can get the first two fields in your calculator? Here is an example from my HDD:

    Code:
    # fdisk -l
    
    Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
    255 heads, 63 sectors/track, 121601 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x000e8c4e
    
       Device Boot      Start         End      Blocks   Id  System
    /dev/sda1   *           1        2546    20450713+   b  W95 FAT32
    /dev/sda2            2547        5096    20482875   83  Linux
    /dev/sda3            5097        7650    20515005   83  Linux
    /dev/sda4            7651      121601   915311407+   5  Extended
    /dev/sda5            7651       18081    83786944+  83  Linux
    /dev/sda6           18082       18113      257008+  83  Linux
    /dev/sda7           18114      120557   822881398+   7  HPFS/NTFS
    /dev/sda8          120558      120812     2048256   82  Linux swap / Solaris
    /dev/sda9          120813      121601     6337611   83  Linux
    And in sector mode:

    Code:
    # fdisk -lu
    
    Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
    255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 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: 0x000e8c4e
    
       Device Boot      Start         End      Blocks   Id  System
    /dev/sda1   *          63    40901489    20450713+   b  W95 FAT32
    /dev/sda2        40901490    81867239    20482875   83  Linux
    /dev/sda3        81867240   122897249    20515005   83  Linux
    /dev/sda4       122897250  1953520064   915311407+   5  Extended
    /dev/sda5       122897376   290471264    83786944+  83  Linux
    /dev/sda6       290471328   290985344      257008+  83  Linux
    /dev/sda7       290985408  1936748204   822881398+   7  HPFS/NTFS
    /dev/sda8      1936748268  1940844779     2048256   82  Linux swap / Solaris
    /dev/sda9      1940844843  1953520064     6337611   83  Linux
     
  5. Kantastic

    Kantastic

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    Call me a noob but what is this program good for? :p I've got a 60GB Vertex so I'm wondering if I need it for anything?
     
  6. graysky

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    How did you partition it and are you sure the partitions are aligned to the erase block size? See this article for more.
     
  7. Kantastic

    Kantastic

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    I didn't partition the drive though. I just formatted it and started installing stuff.
     

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