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Thread: about backup

  1. #1
    Join Date
    Mar 2006
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    about backup

    i am taking a daily backup (20gbyte) topically to my second hard drive in my server...the operation takes about 4 hours to complete..is these normal?
    Last edited by kteo; 02-04-2008 at 08:37 AM.

  2. #2
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    That definitely seems a lot longer than normal. What methods are you using to back it up?

  3. #3
    are you doing this over usb or something?

  4. #4
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    Quote Originally Posted by kteo View Post
    the operation takes about 4 hours to complete..is these normal?
    Its normal, Dont worry.
    David | www.cliffsupport.com
    Affordable Server Management Solutions sales AT cliffsupport DOT com
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  5. #5
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    Quote Originally Posted by david510 View Post
    Its normal, Dont worry.


    If it's normal for 20 gigs to take 4+ hours to backup, then there's something wrong with your experience or idea of normal.

  6. #6
    Join Date
    May 2007
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    Tampa, Fl
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    Whether it is normal or not certainly depends on a ton of stuff.
    For instance, if it is on a cpanel server, cpanel will throttle the backups until the load decreases. This can make backups take a long time.

    Maybe he is using a tar command or some sort of super bzip2 compression, maybe over iscsi? If kteo tells us how the backups are being performed, we'll be able to tell more, and see if it is normal or where there might be a fault.

  7. #7
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    This is disk to disk on the same server, so we're really only looking at compression or not, i/o and any potential waits for load issues if the backup system is set to only run when the load is low. Still, from start to completion, 4+ hours is not really normal even at a low priority. In other words, there would have to be some significant loads caused by something else to push it back that far on the processing list.

    I just don't see that being a possible normal circumstance if it came down to those variables involved. Sure, it can happen and it doesn't mean something is "broken" or "wrong", but I hope that's not the normal experience people have had, else their systems surely need to be better monitored or better configured (or it's time to upgrade to a system with better specs), which can all be attributed to other causes for it to be delayed (and those are what need to then be dealt with).

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