Last Volume Invalid

Discussion in 'Acronis True Image Product Line' started by grd, Mar 29, 2005.

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  1. grd

    grd Registered Member

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    Yesterday I used first time TI Ver 6.0, build 350, with Win XP SP1, and have built image from one partition directly onto 700MB CD-R, total 8 volumes.
    To verify that all went well, i opened volume 8 for restore, but got the message
    "This is not the last volume...".
    I repeated image building directly to HD (with 700MB size of files), and all was
    working well.
    Investigation of CD with volume 8, Nero 6 shows 2 sessions, first with 322 MB, the size of 8th tib-File, second session with 2 MB.
    Trying to copy the file with explorer resulted in an error message "DOS failure, file cannot be copied" at the end of copying.
    Comparing to the good 8th tib-File on HD, there are some differences, especially at file's end.
    What went wrong, how can i assure that future images are built correctly
    (i have not the place on HD to save image of all partitions...) ?
     
  2. MiniMax

    MiniMax Registered Member

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    Interesting question. I have never imaged directly to CD. Let me do a quick test and report back to you.
     
  3. MiniMax

    MiniMax Registered Member

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    In this test, I used True Image 6.0 (#350) to image a 2 GB FAT32 partition directly onto 2 CD-RW's. I erased the CD-RW using Roxio Easy CD Creator 5.3.5.10v (erased as in blanked the discs, no UDF formatting, no DirectCD writing).

    I put the compression level at 0, resulting in an estimated image size of 1,12 GB, which ensured that both CD-RW's would be required.

    The imaging process went well, with True Image asking and waiting for each CD-RW. Examing the resulting CD-RW's with IsoBuster revealed the following:
    Code:
    CD-RW #1
    --------
    
      Session 1
        Track 01
          VolumeTest1.tib 655.73 MB / 687,581,184 bytes
    
    CD-RW #2
    --------
    
      Session 1
        Track 01
          VolumeTest2.tib 655.73 MB / 687,581,184 bytes
    
      Session 2
        Track 02
          VolumeTest2.tib 489.84 MB / 513,636,352 bytes
    
    I am not sure how to interprete the session info. Do True Image 6.0 start out by reserving space for a total of 655 MB (a full CD?), and then, when it runs out of data on CD-RW #2, shorten the file??

    In order to Plug (Explore) the image, I intended to copy both sub-images to my hard disk. I started copying VolumeTest2.tip with Explorer, but when about 80% of the copying was done, I got this error message:

    An error occured during the copy operation of the file or the directory
    It is not possible to copy VolumeTest2: Data Error (cyclic redundancy check failure)
    Tried to copy with CMD.EXE and COPY - same error.

    Rebooted WinXP into Safe Mode and tried to copy - same error.

    Rebooted into MS-DOS, but DOS and the real-mode driver was not even able to see the file. All I saw on the CD-RW was a file called "JOLIET.FS" ?!?

    Rebooted into Win95 and tried to copy - same error.

    The first volume looked better (it only had one session), but a copy of VolumeTest1.tip resulted in the same cyclic redunancy error o_O

    Tried using IsoBuster to extract a raw image of the first volume with VolumeTest1.tib: Got an "Unreadable sector" sector error - again approximately 80% into the fileo_O

    As I write this, I am re-formatting both CD-RW's for packet writing. When done, I intend to try out the imaging process again. I have a feeling it will not succeed, because True Image should not require (or be able to cope) UDF -formatted CD-RW's when writing its images.
     
  4. Menorcaman

    Menorcaman Retired Moderator

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    Hello MiniMax,

    The following have been known to interfere with TI's ability to write to CD:

    - Roxio DirectCD/Drag-to-Disk. If they're running then shut them down.
    - Windows Media Player. If it's running then shut it down.
    - Windows XP's built in drag-and-drop recording feature. Open "My Computer", right click on your CD/DVD buner, select "Properties" and then the "Recording" tab. Uncheck "Enable CD recording on this drive".

    Regards
     
    Last edited: Mar 31, 2005
  5. MiniMax

    MiniMax Registered Member

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    Thanks Menorcaman - I will certainly try in order to pin-point the cause of this little mysterium.
     
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