Another newbie question

Discussion in 'Acronis True Image Product Line' started by dosdoxies, Oct 14, 2005.

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  1. dosdoxies

    dosdoxies Registered Member

    Oct 14, 2005
    One quick question. I am new to TI9. Do I have to defrag my drives every time before I do a full back up? How about before incremental back ups? Thanks.
  2. Snakeyes

    Snakeyes Registered Member

    Jun 23, 2004
    THere is no need to defrag before any backups.
  3. tachyon42

    tachyon42 Registered Member

    Dec 26, 2004
    If you defrag before doing an incremental then TI will create a large .tib file since defrag would probably have moved a lot of the sectors and TI writes moved/changed sectors to the .tib file.
    If you need to defrag I suggest you create a TI image before defragging (in case defrag fails leaving a corrupted disk).
    After defrag you could create another TI image (if you wanted an image of the defragged disk) then subsequent incrementals would be small.
  4. jmk94903

    jmk94903 Registered Member

    Jul 10, 2004
    San Rafael, CA
    Defragging before a full backup will make the image smaller. Don't defrag again while you are still adding incrementals to that full backup.

    Defragging moves a lot of file, and the resulting incremental after a defrag will be about as big as the original full backup.
  5. TheWeaz

    TheWeaz Registered Member

    Jul 9, 2005
    "Defragging before a full backup will make the image smaller."
    Really? I haven't heard that before. I assumed that since only in-use sectors get imaged, it didn't matter if they were scattered about or contiguous.
  6. Acronis Support

    Acronis Support Acronis Support Staff

    Apr 28, 2004
    Hell dosdoxies,

    An incremental or differential backup created after a disk is defragmented might be considerably larger than usual. This is because the defragmentation program changes file locations on disk and the backups reflect these changes. Therefore, it is recommended that you re-create a full backup after disk defragmentation, but you should not to perform defrag your drives every time before you do a full backup.

    Thank you.
    Irina Shirokova
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