Why is the Restore function in disk utility so slow?

I am using the Restore functionality in Disk Utility to copy my old 250GB Time Machine disk (which is now full) to a new 1.1TB disk.
250GB is calculating to take 11 hours to copy. Both disks are connected via FireWire (old one is FireWire 400, new one is FireWire 800).
If my math is correct, that's only 6.4MB per second.
Why is it so monumentally slow?

That's pretty much normal for a FW400 drive.  Restore takes more time that some copy programs because of the file verification it performs.

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         5. Select the source volume from the left side list and drag it to
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    Destination means the external backup drive. Source means the internal startup drive.

  • Re: How to Clone Using the Restore Option of Disk Utility

    This is a revision to original post:
    How to Clone Using Restore Option of Disk Utility
    1. Open Disk Utility from the Utilities folder.
    2. Select the backup or destination volume from the left side list.
    3. Click on the Erase tab in the DU main window.
    4. Set the format type to Mac OS Extended (Journaled) and click on the Erase button. Wait for volume to remount on the Desktop.
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    6. Select the startup or source volume from the left side list and drag it to the Source entry field.
    7. Select the backup or destination volume from the left side list and drag it to the Destination entry field.
    8. Select the destination drive icon on the Desktop and press COMMAND-I to open the Get Info window. At the bottom in the Ownership and Permissions section be sure the box labeled "Ignore Permissions on this Volume" is unchecked.
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    There is a checkbox option in the Restore dialog to Erase the Destination. Be sure you uncheck the option.

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    Michael Superczynski wrote:
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    2. Boot from the external hard drive.
    3. Erase the internal hard drive.
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    3. Click on the Restore tab in the DU main window.
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    5. Select the destination volume from the left side list and drag it to the Destination entry field.
    6. Select the source volume from the left side list and drag it to the Source entry field.
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    Restart the computer and after the chime press and hold down the OPTION key until the boot manager appears.  Select the icon for the external drive and click on the downward pointing arrow button.
    After startup do the following:
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    1.  Open Disk Utility in your Utilities folder.
    2. After DU loads select your internal hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Note the SMART status of the drive in DU's status area.  If it does not say "Verified" then the drive is failing or has failed and will need replacing.  SMART info will not be reported  on external drives. Otherwise, click on the Partition tab in the DU main window.
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    Restore the clone to the internal hard drive
    1. Select the destination volume from the left side list.
    2. Click on the Restore tab in the DU main window.
    3. Check the box labeled Erase destination.
    4. Select the destination volume from the left side list and drag it to the Destination entry field.
    5. Select the source volume from the left side list and drag it to the Source entry field.
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    Error: (-36) Applying backup protections to /Volumes/Time Machine Backups/Backups.backupdb/Tery Griffin’s Computer (44)/2014-03-05-201742.inProgress/9F8E7957-9C50-49C3-8314-880E5203E3D9
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    You have repaired your boot drive (which is good) but have you repaired your time machine drive?  I don't own a Time Capsule so I don't know if disk utility can operate on it.  If it can, you should repair it as well.  You may need to erase it and start a new backup.  That happens to time machine volumes from time to time and is why people who are serious about their data never rely on a single source of backup.

  • I sent in my iPhone 6 for repair. I used restore on the loaner phone I was given, and the contacts, texts, reminders, and Safari pages all showed up. My phone is back, and when I used the restore function again, those items are missing.

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  • Can anyone help me?Time Machine couldn't complete the backup to...  An error occurred while copying files. The problem may be temporary. If the problem persists, use Disk Utility to repair your backup disk.  What is the problem?  I've made no changes.

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    I was actually planning to make a Genius Bar appointment to fix it, by the way does that cost much?
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  • HT3275 "The problem may be temporary. Try again later to back up. If the problem persists, use Disk Utility to repair your backup disk."

    The problem may be temporary. Try again later to back up. If the problem persists, use Disk Utility to repair your backup disk.
    what does this mean?? why can't i backup before i have to get my hard drive replaced?!!? arghh

    brahr3 wrote:
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