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

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  1. Posts : 158
    W10
    Thread Starter
       #11

    Cannot find policies option in properties

    Why is 275GB macrium image backup taking over 3 hrs to create & verify-properties.jpg
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  2. Posts : 10,929
    Win10 x64
       #12

    Open Device Manager by right click the start button then clicking on Device Manager. Find the drive there then check the properties. You will see the Policies tab.
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  3. Posts : 56,806
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       #13

    provlima said:
    Cannot find policies option in properties

    Why is 275GB macrium image backup taking over 3 hrs to create & verify-properties.jpg
    You're right clicking in the wrong spot. Need to click where the red circle is in the pic. On the left. Why is 275GB macrium image backup taking over 3 hrs to create verify - Windows 10 Forums
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  4. Posts : 11,247
    Windows / Linux : Arch Linux
       #14

    f14tomcat said:
    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.
    Hi there
    speed of CPU actually doesn't play a huge role in this -- the I/O device capability is the limiting factor here.

    However even with spinners you ought to be getting around 300 Mb/s or around 80 MB/s. So do the maths -- 800 MB will take around 10 secs, 8GB around 100 secs and 800GB will take 10000 secs or around 3 hrs.

    If you are using USB2 or really slow spinners say 30 Mb/s then you are going to take a long long time -- on the macrium log it should give you read / write I/O rate. Without that we can't say if you've got a mega problem or not.

    just start Macrium up again from within Windows and after it's done the recovery and small partitions note what the I/O rate is when it's backing up the big partition -- you can cancel it after say 5 or 10 mins once it's settled down to a reasonably constant I/O rate. Divide by 4 the Mb/s rate shown to get MB/s.

    Cheers
    jimbo
    Last edited by jimbo45; 11 Apr 2018 at 09:12.
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  5. Posts : 56,806
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       #15

    jimbo45 said:
    Hi there
    speed of CPU actually doesn't play a huge role in this -- the I/O device capability is the limiting factor here.

    However even with spinners you ought to be getting around 300 Mb/s or around 80 MB/s. So do the maths -- 800 MB will take around 10 secs, 8GB around 100 secs and 800GB will take 10000 secs or around 3 hrs.

    If you are using USB2 or really slow spinners say 30 Mb/s then you are going to take a long long time -- on the macrium log it should give you read / write I/O rate. Without that we can't say if you've got a mega problem or not.

    just start Macrium up again from within Windows and after it's done the recovery and small partitions note what the I/O rate is when it's backing up the big partition -- you can cancel it after say 5 or 10 mins once it's settled down to a reasonably constant I/O rate.

    Cheers
    jimbo
    Only point I was making about the CPU is if you were running an i3 @2.4Ghz with lots of compression, it would be a factor. Never said huge..said large.
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  6. Posts : 11,247
    Windows / Linux : Arch Linux
       #16

    f14tomcat said:
    Only point I was making about the CPU is if you were running an i3 @2.4Ghz with lots of compression, it would be a factor. Never said huge..said large.
    Hi there
    @f14tomcat
    even on an i3 that´s not an issue

    Over my years with computers the biggest bottleneck to throughput has been hideously slow I/O.

    So many people just don't realize it -- but even a so called lowly i3 processor has more compute power than the entire computing / electronics industry combined might of Germany, Japan,USA + allies and Russia in 2nd world war combined !!!.

    I often complain about UK here but the unsung real hero in this was a person called Tommy Flowers who worked for GPO ( Post office in UK at that time a Govt organisation) -- he invented electronic switching but at his own expense and his stuff was never allowed to make public domain until foreign newspapers published some of his stuff after the war (WWII)

    Tommy Flowers - Wikipedia

    Everbody with any interest in History has heard of Bletchley park where people were employed to decrypt German Enigma machine code -- initially done mechanically via things called Bombes (no typo that is what they were called) -- Flowers invention speeded up the process absolutely dramatically.

    After the end of WWII there was a lot of problem between USA and GB on this technology -- not even sure if today it's been settled between the 2 most steadfast allies on the planet.

    Anyway if you are interested :

    Bletchley Park | Home

    Also great stuff from NASA in 1960's with Voyager satellites -- now still sending stuff back to earth at edge of interstellar space -- at incredibly slow bit rates -- you have to admire those early pioneers though.

    Voyager



    Any capable intel processor would merely be idling at average I/O speeds on slow HDD's -- and as for IDE -- you might just as well use paper tape flexowriters -- remember those !!!

    https://www.google.co.uk/search?q=pa...W4j3FvbrPg8kM:.

    Cheers
    jimbo
    Last edited by jimbo45; 11 Apr 2018 at 12:30.
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  7. Posts : 15,441
    Windows10
       #17

    jimbo45 said:
    Hi there
    speed of CPU actually doesn't play a huge role in this -- the I/O device capability is the limiting factor here.

    However even with spinners you ought to be getting around 300 Mb/s or around 80 MB/s. So do the maths -- 800 MB will take around 10 secs, 8GB around 100 secs and 800GB will take 10000 secs or around 3 hrs.

    If you are using USB2 or really slow spinners say 30 Mb/s then you are going to take a long long time -- on the macrium log it should give you read / write I/O rate. Without that we can't say if you've got a mega problem or not.

    just start Macrium up again from within Windows and after it's done the recovery and small partitions note what the I/O rate is when it's backing up the big partition -- you can cancel it after say 5 or 10 mins once it's settled down to a reasonably constant I/O rate. Divide by 4 the Mb/s rate shown to get MB/s.

    Cheers
    jimbo
    Speed of cpu does have a big impact. You are forgetting you have a really powerful pc. On my old ASUS laptop, it maxes out at 100% CPU for ages.
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  8. Posts : 10,929
    Win10 x64
       #18

    Also would like to add that regular hdd I think you refer too as spinners are not all that slow if you have a SATA III hdd on a SATA III port. I have two nearly identical drives, one that is SATA III on a SATA II port as my old motherboard only has two SATA III ports. The one on the SATA II port is like molasses compared to the even larger spinner on the SATA III port.

    I had the one being slower now in the SATA III port until I added a new larger hdd for backups. I wanted my backup restore to be faster so I put it the new hdd on the SATA III. I can say for 100% sure, the difference in speed is major for the two. I know how fast the other one was on the SATA III port before I got the new one. It is not SSD fast by any means, but the SATA III will make a major difference even if the spinner is 5400 rpm. It does for me.
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  9. Posts : 1,621
    Windows 10 Home
       #19

    OP asked about background programs and utilities earlier. Yes, such can add time to the backup & verify process -- I'm guessing that Windows "time-slices" rather than really doing several things at the same time. During serious backup routines, I will turn off any EZ-to-turn off stuff, disconnect from The 'Net and turn off AV/AM, and so on.
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  10. Posts : 56,806
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       #20

    cereberus said:
    Speed of cpu does have a big impact. You are forgetting you have a really powerful pc. On my old ASUS laptop, it maxes out at 100% CPU for ages.
    My surface Pro 3 is not quite that bad, ~90%, and hot!

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