Why can't I create a logical partition with `gparted`?





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I'm trying to create a logical partition inside an extended partition but gparted doesn't let me do it.



My setup:




  • System: Ubuntu 16.04

  • Partitioning software: gparted 0.25.0


HDD 1TB





  • /dev/sda1: extended partition (covers all the space)



    • /dev/sda6: 32GiB system root partition


    • /dev/sda7: 113GiB data partition


    • /dev/sda5: 664GiB main data partition


    • 114GiB Free space I want to use as new partition, not as a part of sda5


    • /dev/sda8: 8GiB swap




Do I have to umount the system root partition?



Is there a workaround?



Is it just a bug?



Why does this happen?



I don't want to run a live CD/USB just to create a partition.



Yes, I know partition numbers are not ordered, but I'm using UUID anyway so who cares. I also know there are almost 70GB missing. This is because GiB is not equal to GB, and the brands sell HDD with measuring unit of 10^12 bytes instead of 2^40 bytes.










share|improve this question

























  • How exactly gparted doesn't let you? Have you tried other tools (like fdisk, gdisk)?

    – Kamil Maciorowski
    Mar 31 '17 at 14:24






  • 2





    Please leave this question open (don't accept your own answer), so maybe someone will eventually explain to us what happened. I find it interesting. I have changed the question title and emphasized the "why?" part.

    – Kamil Maciorowski
    Apr 1 '17 at 22:23






  • 1





    maybe the correct question should be something like: why do logical partitions need a 1MB gap at each side in gparted?

    – Falk
    Apr 2 '17 at 14:07











  • this might have nothing to do with not using live session. from a live usb i had the same problem and solved in the same way.

    – user162573
    Apr 19 '18 at 16:20






  • 1





    When do logical partitions happen to need 1MB gap at each side in gparted? on unix.stackexchange

    – user162573
    Apr 19 '18 at 16:32




















2















I'm trying to create a logical partition inside an extended partition but gparted doesn't let me do it.



My setup:




  • System: Ubuntu 16.04

  • Partitioning software: gparted 0.25.0


HDD 1TB





  • /dev/sda1: extended partition (covers all the space)



    • /dev/sda6: 32GiB system root partition


    • /dev/sda7: 113GiB data partition


    • /dev/sda5: 664GiB main data partition


    • 114GiB Free space I want to use as new partition, not as a part of sda5


    • /dev/sda8: 8GiB swap




Do I have to umount the system root partition?



Is there a workaround?



Is it just a bug?



Why does this happen?



I don't want to run a live CD/USB just to create a partition.



Yes, I know partition numbers are not ordered, but I'm using UUID anyway so who cares. I also know there are almost 70GB missing. This is because GiB is not equal to GB, and the brands sell HDD with measuring unit of 10^12 bytes instead of 2^40 bytes.










share|improve this question

























  • How exactly gparted doesn't let you? Have you tried other tools (like fdisk, gdisk)?

    – Kamil Maciorowski
    Mar 31 '17 at 14:24






  • 2





    Please leave this question open (don't accept your own answer), so maybe someone will eventually explain to us what happened. I find it interesting. I have changed the question title and emphasized the "why?" part.

    – Kamil Maciorowski
    Apr 1 '17 at 22:23






  • 1





    maybe the correct question should be something like: why do logical partitions need a 1MB gap at each side in gparted?

    – Falk
    Apr 2 '17 at 14:07











  • this might have nothing to do with not using live session. from a live usb i had the same problem and solved in the same way.

    – user162573
    Apr 19 '18 at 16:20






  • 1





    When do logical partitions happen to need 1MB gap at each side in gparted? on unix.stackexchange

    – user162573
    Apr 19 '18 at 16:32
















2












2








2


1






I'm trying to create a logical partition inside an extended partition but gparted doesn't let me do it.



My setup:




  • System: Ubuntu 16.04

  • Partitioning software: gparted 0.25.0


HDD 1TB





  • /dev/sda1: extended partition (covers all the space)



    • /dev/sda6: 32GiB system root partition


    • /dev/sda7: 113GiB data partition


    • /dev/sda5: 664GiB main data partition


    • 114GiB Free space I want to use as new partition, not as a part of sda5


    • /dev/sda8: 8GiB swap




Do I have to umount the system root partition?



Is there a workaround?



Is it just a bug?



Why does this happen?



I don't want to run a live CD/USB just to create a partition.



Yes, I know partition numbers are not ordered, but I'm using UUID anyway so who cares. I also know there are almost 70GB missing. This is because GiB is not equal to GB, and the brands sell HDD with measuring unit of 10^12 bytes instead of 2^40 bytes.










share|improve this question
















I'm trying to create a logical partition inside an extended partition but gparted doesn't let me do it.



My setup:




  • System: Ubuntu 16.04

  • Partitioning software: gparted 0.25.0


HDD 1TB





  • /dev/sda1: extended partition (covers all the space)



    • /dev/sda6: 32GiB system root partition


    • /dev/sda7: 113GiB data partition


    • /dev/sda5: 664GiB main data partition


    • 114GiB Free space I want to use as new partition, not as a part of sda5


    • /dev/sda8: 8GiB swap




Do I have to umount the system root partition?



Is there a workaround?



Is it just a bug?



Why does this happen?



I don't want to run a live CD/USB just to create a partition.



Yes, I know partition numbers are not ordered, but I'm using UUID anyway so who cares. I also know there are almost 70GB missing. This is because GiB is not equal to GB, and the brands sell HDD with measuring unit of 10^12 bytes instead of 2^40 bytes.







linux ubuntu hard-drive partitioning gparted






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Apr 1 '17 at 22:19









Kamil Maciorowski

29k156287




29k156287










asked Mar 31 '17 at 11:17









FalkFalk

20939




20939













  • How exactly gparted doesn't let you? Have you tried other tools (like fdisk, gdisk)?

    – Kamil Maciorowski
    Mar 31 '17 at 14:24






  • 2





    Please leave this question open (don't accept your own answer), so maybe someone will eventually explain to us what happened. I find it interesting. I have changed the question title and emphasized the "why?" part.

    – Kamil Maciorowski
    Apr 1 '17 at 22:23






  • 1





    maybe the correct question should be something like: why do logical partitions need a 1MB gap at each side in gparted?

    – Falk
    Apr 2 '17 at 14:07











  • this might have nothing to do with not using live session. from a live usb i had the same problem and solved in the same way.

    – user162573
    Apr 19 '18 at 16:20






  • 1





    When do logical partitions happen to need 1MB gap at each side in gparted? on unix.stackexchange

    – user162573
    Apr 19 '18 at 16:32





















  • How exactly gparted doesn't let you? Have you tried other tools (like fdisk, gdisk)?

    – Kamil Maciorowski
    Mar 31 '17 at 14:24






  • 2





    Please leave this question open (don't accept your own answer), so maybe someone will eventually explain to us what happened. I find it interesting. I have changed the question title and emphasized the "why?" part.

    – Kamil Maciorowski
    Apr 1 '17 at 22:23






  • 1





    maybe the correct question should be something like: why do logical partitions need a 1MB gap at each side in gparted?

    – Falk
    Apr 2 '17 at 14:07











  • this might have nothing to do with not using live session. from a live usb i had the same problem and solved in the same way.

    – user162573
    Apr 19 '18 at 16:20






  • 1





    When do logical partitions happen to need 1MB gap at each side in gparted? on unix.stackexchange

    – user162573
    Apr 19 '18 at 16:32



















How exactly gparted doesn't let you? Have you tried other tools (like fdisk, gdisk)?

– Kamil Maciorowski
Mar 31 '17 at 14:24





How exactly gparted doesn't let you? Have you tried other tools (like fdisk, gdisk)?

– Kamil Maciorowski
Mar 31 '17 at 14:24




2




2





Please leave this question open (don't accept your own answer), so maybe someone will eventually explain to us what happened. I find it interesting. I have changed the question title and emphasized the "why?" part.

– Kamil Maciorowski
Apr 1 '17 at 22:23





Please leave this question open (don't accept your own answer), so maybe someone will eventually explain to us what happened. I find it interesting. I have changed the question title and emphasized the "why?" part.

– Kamil Maciorowski
Apr 1 '17 at 22:23




1




1





maybe the correct question should be something like: why do logical partitions need a 1MB gap at each side in gparted?

– Falk
Apr 2 '17 at 14:07





maybe the correct question should be something like: why do logical partitions need a 1MB gap at each side in gparted?

– Falk
Apr 2 '17 at 14:07













this might have nothing to do with not using live session. from a live usb i had the same problem and solved in the same way.

– user162573
Apr 19 '18 at 16:20





this might have nothing to do with not using live session. from a live usb i had the same problem and solved in the same way.

– user162573
Apr 19 '18 at 16:20




1




1





When do logical partitions happen to need 1MB gap at each side in gparted? on unix.stackexchange

– user162573
Apr 19 '18 at 16:32







When do logical partitions happen to need 1MB gap at each side in gparted? on unix.stackexchange

– user162573
Apr 19 '18 at 16:32












1 Answer
1






active

oldest

votes


















1














I solved it. All I've done is letting 1MB gap at each side of the partition and setting align to 'none'.



Still I don't understand why this is necessary.






share|improve this answer



















  • 1





    +1 Although this short answer gives a workaround only and explains nothing, I appreciate it could be a life-saver for someone with similar problem.

    – Kamil Maciorowski
    Apr 1 '17 at 22:23













  • How have you found about this trick? --- As it is the answer was short but efficient for me too (after solus linux failing to format and install on that partition; worked after formatting it in gparted as you said). - Only I wasn't able to format from a live usb, until I used those settings. This might have nothing to do with being in live session or not.

    – user162573
    Apr 19 '18 at 16:16













  • @cipricus I had an intuition and tried it out.

    – Falk
    Apr 19 '18 at 16:23











  • Sometimes trying out is easier than read lot's of documentation and sourcecode. On the other hand just tring things can be dangerous.

    – Falk
    Apr 19 '18 at 16:27











  • the possible question that you phrased in a past comment : - unix.stackexchange.com/q/438773/32012

    – user162573
    Apr 19 '18 at 16:33














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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









1














I solved it. All I've done is letting 1MB gap at each side of the partition and setting align to 'none'.



Still I don't understand why this is necessary.






share|improve this answer



















  • 1





    +1 Although this short answer gives a workaround only and explains nothing, I appreciate it could be a life-saver for someone with similar problem.

    – Kamil Maciorowski
    Apr 1 '17 at 22:23













  • How have you found about this trick? --- As it is the answer was short but efficient for me too (after solus linux failing to format and install on that partition; worked after formatting it in gparted as you said). - Only I wasn't able to format from a live usb, until I used those settings. This might have nothing to do with being in live session or not.

    – user162573
    Apr 19 '18 at 16:16













  • @cipricus I had an intuition and tried it out.

    – Falk
    Apr 19 '18 at 16:23











  • Sometimes trying out is easier than read lot's of documentation and sourcecode. On the other hand just tring things can be dangerous.

    – Falk
    Apr 19 '18 at 16:27











  • the possible question that you phrased in a past comment : - unix.stackexchange.com/q/438773/32012

    – user162573
    Apr 19 '18 at 16:33


















1














I solved it. All I've done is letting 1MB gap at each side of the partition and setting align to 'none'.



Still I don't understand why this is necessary.






share|improve this answer



















  • 1





    +1 Although this short answer gives a workaround only and explains nothing, I appreciate it could be a life-saver for someone with similar problem.

    – Kamil Maciorowski
    Apr 1 '17 at 22:23













  • How have you found about this trick? --- As it is the answer was short but efficient for me too (after solus linux failing to format and install on that partition; worked after formatting it in gparted as you said). - Only I wasn't able to format from a live usb, until I used those settings. This might have nothing to do with being in live session or not.

    – user162573
    Apr 19 '18 at 16:16













  • @cipricus I had an intuition and tried it out.

    – Falk
    Apr 19 '18 at 16:23











  • Sometimes trying out is easier than read lot's of documentation and sourcecode. On the other hand just tring things can be dangerous.

    – Falk
    Apr 19 '18 at 16:27











  • the possible question that you phrased in a past comment : - unix.stackexchange.com/q/438773/32012

    – user162573
    Apr 19 '18 at 16:33
















1












1








1







I solved it. All I've done is letting 1MB gap at each side of the partition and setting align to 'none'.



Still I don't understand why this is necessary.






share|improve this answer













I solved it. All I've done is letting 1MB gap at each side of the partition and setting align to 'none'.



Still I don't understand why this is necessary.







share|improve this answer












share|improve this answer



share|improve this answer










answered Apr 1 '17 at 21:41









FalkFalk

20939




20939








  • 1





    +1 Although this short answer gives a workaround only and explains nothing, I appreciate it could be a life-saver for someone with similar problem.

    – Kamil Maciorowski
    Apr 1 '17 at 22:23













  • How have you found about this trick? --- As it is the answer was short but efficient for me too (after solus linux failing to format and install on that partition; worked after formatting it in gparted as you said). - Only I wasn't able to format from a live usb, until I used those settings. This might have nothing to do with being in live session or not.

    – user162573
    Apr 19 '18 at 16:16













  • @cipricus I had an intuition and tried it out.

    – Falk
    Apr 19 '18 at 16:23











  • Sometimes trying out is easier than read lot's of documentation and sourcecode. On the other hand just tring things can be dangerous.

    – Falk
    Apr 19 '18 at 16:27











  • the possible question that you phrased in a past comment : - unix.stackexchange.com/q/438773/32012

    – user162573
    Apr 19 '18 at 16:33
















  • 1





    +1 Although this short answer gives a workaround only and explains nothing, I appreciate it could be a life-saver for someone with similar problem.

    – Kamil Maciorowski
    Apr 1 '17 at 22:23













  • How have you found about this trick? --- As it is the answer was short but efficient for me too (after solus linux failing to format and install on that partition; worked after formatting it in gparted as you said). - Only I wasn't able to format from a live usb, until I used those settings. This might have nothing to do with being in live session or not.

    – user162573
    Apr 19 '18 at 16:16













  • @cipricus I had an intuition and tried it out.

    – Falk
    Apr 19 '18 at 16:23











  • Sometimes trying out is easier than read lot's of documentation and sourcecode. On the other hand just tring things can be dangerous.

    – Falk
    Apr 19 '18 at 16:27











  • the possible question that you phrased in a past comment : - unix.stackexchange.com/q/438773/32012

    – user162573
    Apr 19 '18 at 16:33










1




1





+1 Although this short answer gives a workaround only and explains nothing, I appreciate it could be a life-saver for someone with similar problem.

– Kamil Maciorowski
Apr 1 '17 at 22:23







+1 Although this short answer gives a workaround only and explains nothing, I appreciate it could be a life-saver for someone with similar problem.

– Kamil Maciorowski
Apr 1 '17 at 22:23















How have you found about this trick? --- As it is the answer was short but efficient for me too (after solus linux failing to format and install on that partition; worked after formatting it in gparted as you said). - Only I wasn't able to format from a live usb, until I used those settings. This might have nothing to do with being in live session or not.

– user162573
Apr 19 '18 at 16:16







How have you found about this trick? --- As it is the answer was short but efficient for me too (after solus linux failing to format and install on that partition; worked after formatting it in gparted as you said). - Only I wasn't able to format from a live usb, until I used those settings. This might have nothing to do with being in live session or not.

– user162573
Apr 19 '18 at 16:16















@cipricus I had an intuition and tried it out.

– Falk
Apr 19 '18 at 16:23





@cipricus I had an intuition and tried it out.

– Falk
Apr 19 '18 at 16:23













Sometimes trying out is easier than read lot's of documentation and sourcecode. On the other hand just tring things can be dangerous.

– Falk
Apr 19 '18 at 16:27





Sometimes trying out is easier than read lot's of documentation and sourcecode. On the other hand just tring things can be dangerous.

– Falk
Apr 19 '18 at 16:27













the possible question that you phrased in a past comment : - unix.stackexchange.com/q/438773/32012

– user162573
Apr 19 '18 at 16:33







the possible question that you phrased in a past comment : - unix.stackexchange.com/q/438773/32012

– user162573
Apr 19 '18 at 16:33




















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