how can i fix checksum error in active partition manager

Discussion in 'backup, imaging & disk mgmt' started by acuariano, Apr 16, 2013.

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  1. acuariano

    acuariano Registered Member

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    i have 3 partitons on hard drive and they show invalid fields checksum
    using active partition manager in bootdisk ..OS and the other 2 partions are working ok
    how can i fix this
     
  2. Brian K

    Brian K Imaging Specialist

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    acuariano,

    It may be an erroneous error. I'd check the partitions with BootIt BM.
     
  3. acuariano

    acuariano Registered Member

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    i'll check with bootit Brian
    hope no checksum errors
     
  4. Brian K

    Brian K Imaging Specialist

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    Check Properties for each partition. BootIt BM will report any errors.
     
  5. acuariano

    acuariano Registered Member

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    just did it and it show no errors
    -in case i find errors in the future...what should i do?
    i mostly use drvie snapshot...and my question is...can i save mbr with bootit?
     
  6. mantra

    mantra Registered Member

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    i'm interested too to know
    1) how fix it in case of errors
    and does bootit detect xp or vista/7 partition type?
    or should i set bootit to handle the partition with xp or vista/7 partitions type

    thanks
     
  7. Brian K

    Brian K Imaging Specialist

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    Sure. Open Scripting and use Copy sectors to/from a file. See page 12 in tbosdt.pdf (in TBOSDT folders).

    Depends on the error.

    This is from Tom Pfeifer...

     
    Last edited: Apr 18, 2013
  8. Brian K

    Brian K Imaging Specialist

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    mantra,

    BootIt can create and work with both partition types. Cylinder and 2048 sector aligned. I use 2048 sector aligned for just about everything.
     
  9. acuariano

    acuariano Registered Member

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    thanks Brian
     
  10. mantra

    mantra Registered Member

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    thanks Brian

    but does bootit detect automactly?
     
  11. Brian K

    Brian K Imaging Specialist

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    mantra,

    BootIt will show both types of partition and will let you determine which is which.

    Select the partition, Properties, write down the Start LBA.

    If the Start LBA divided by 2048 is an integer (whole number) then the partition is 2048 Sector aligned. Also called MB aligned.

    If the Start LBA divided by 16065 is an integer (whole number) then the partition is legacy cylinder aligned. (63*255=16065)

    In BootIt Settings there are two settings for partition alignment. Align on 2048 Sectors and Align on Cylinder. For general purposes it doesn't matter which one you use but to create/resize/slide 2048 sector aligned partitions you must have Align on 2048 Sectors selected. And vice versa.
     
    Last edited: Apr 19, 2013
  12. mantra

    mantra Registered Member

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    thanks Brian!
    really very kind!

    the only thing i don't like about bootit is can't include in a cd with utilities or i don't like to have it installed on hard disk
     
  13. Brian K

    Brian K Imaging Specialist

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    You can run BIBM from its own CD or USB. You can run it from the HD, which I prefer. Or you can put the BIBM ISO on a Grub4DOS flash drive along with other ISOs.

    There are lots of advantages in having it installed on the HD but they are specialized. For example, I can initiate an OS restore from Windows, BootNow (associated with BIBM) will restart the computer and boot into the restore environment for the auto restore. It also allows multi-booting and I have about 30 independent bootable partitions.
     
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