Windows 10: Why is 275GB macrium image backup taking over 3 hrs to create & verify

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  1.    10 Apr 2018 #1

    Why is 275GB macrium image backup taking over 3 hrs to create & verify


    My image backup image took 1 hr and 10 min to create and 2 additional hours to verify. The bulk of these files are pictures and videos

    Is this normal?
      My ComputerSystem Spec

  2.    10 Apr 2018 #2

    My 1.4TB backup took almost 6 hours to backup and verify. How fast are the disk drives?

    EDIT: this is a secondary drive with nothing but media on it.
      My ComputerSystem Spec

  3. f14tomcat's Avatar
    Posts : 36,379
    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)
       10 Apr 2018 #3

    provlima said: View Post
    My image backup image took 1 hr and 10 min to create and 2 additional hours to verify. The bulk of these files are pictures and videos

    Is this normal?
    275GB is a rather large image backup. My full backup is around 33GB, compresses to about 20GB, and takes 5 minutes to backup and verify. An awful lot depends on what you are backing it up to. If it's an external drive, even on Sata III, it can take quite a while. Your specs say you have an i7, but not what gen. Mine is an i7-7700k OC's to 4.8Ghz. That plays a large role, also. pics and vids will do a lot of compressing slowing down the overall throughput rate. The transfer rate you see is not the pure read it/write it rate. There are computational and compression factors to consider. Your verify rate is slow compared to your backup rate. That would seem to indicate the drive you are backing up to has a low read transfer rate. Lots of factors to consider.

    As a side-note, if the bulk is vids and pics, they are not changing from one backup to the next. You may want to consider getting them off your main drive so as not to continually backup unchanged data. Put them on another drive or in the cloud.
      My ComputersSystem Spec

  4. ThrashZone's Avatar
    Posts : 3,676
    3-Win-7Prox64 2-Win10Prox64
       10 Apr 2018 #4

    Hi,
    You can try to create/ verify an image next time using the winpe recovery media and see if it's faster
    I believe it is it's the only way I do it.
      My ComputersSystem Spec

  5.    10 Apr 2018 #5

    f14tomcat said: View Post
    275GB is a rather large image backup. My full backup is around 33GB, compresses to about 20GB, and takes 5 minutes to backup and verify. An awful lot depends on what you are backing it up to. If it's an external drive, even on Sata III, it can take quite a while. Your specs say you have an i7, but not what gen. Mine is an i7-7700k OC's to 4.8Ghz. That plays a large role, also. pics and vids will do a lot of compressing slowing down the overall throughput rate. The transfer rate you see is not the pure read it/write it rate. There are computational and compression factors to consider. Your verify rate is slow compared to your backup rate. That would seem to indicate the drive you are backing up to has a low read transfer rate. Lots of factors to consider.

    As a side-note, if the bulk is vids and pics, they are not changing from one backup to the next. You may want to consider getting them off your main drive so as not to continually backup unchanged data. Put them on another drive or in the cloud.
    That is what I do.
      My ComputerSystem Spec

  6.    10 Apr 2018 #6

    Thanks for your response
    i7 6700HQ 2.6GHz @ 2.6Hz with 16GB RAM
    External disc is USB 3 WD My Passport ultra

    Can some running background programs affect the time?
      My ComputerSystem Spec

  7. f14tomcat's Avatar
    Posts : 36,379
    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)
       10 Apr 2018 #7

    provlima said: View Post
    Thanks for your response
    i7 6700HQ 2.6GHz @ 2.6Hz with 16GB RAM
    External disc is USB 3 WD My Passport ultra

    Can some running background programs affect the time?
    Not significantly with those specs. Unless you've got something heavy churning, like a batch video conversions process or such. But normal background processes, no. Macrium defaults to High Priority anyway, so doubtful.

    Check to make sure the WD external has it's write cache enabled. That can make a big difference. Does it say it's using "direct i/o" or "system cache"?
      My ComputersSystem Spec

  8.    10 Apr 2018 #8

    If you just copied 275GB at say 100MB/s, it would take 2750 seconds = approx 45 mins. Ok, MR is reading a lot, processing it and writing less but doing a lot of work, so an 1 or so to write is not that far off imo. The 2hrs verification seems a bit long but not excessive. Maybe Defender is working overtime?
      My ComputerSystem Spec

  9.    10 Apr 2018 #9

    Check to make sure the WD external has it's write cache enabled. That can make a big difference. Does it say it's using "direct i/o" or "system cache"?[/QUOTE]
    How would you check to see if its write cache is enabled? Should it be enabled?
      My ComputerSystem Spec

  10. f14tomcat's Avatar
    Posts : 36,379
    Triple boot - Win 10 Pro, Win 10 Pro Insider (2) - (and a sprinkling of VMs)
       10 Apr 2018 #10

    provlima said: View Post
    Check to make sure the WD external has it's write cache enabled. That can make a big difference. Does it say it's using "direct i/o" or "system cache"?
    How would you check to see if its write cache is enabled? Should it be enabled?[/QUOTE]This is just an example. In Disk Management, with the drive plugged in, right click the area in the red circle, then Properties. Check the Policies tab.

    Click image for larger version. 

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    Yes, it can help 99% of the time. If the drive's controller will support it.
      My ComputersSystem Spec


 
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