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Do I need an EFI partition for each 18.04 ubuntu I have on my HD?


Grub2 EFI: Where is my EFI partition?Which partition to select as device for boot loader in an EFI mode install?Partition for dual boot UEFI for Windows and UbuntuHow to change my /boot/efi mount partition?Installing Ubuntu 14.04 on EFI SystemDoes Ubuntu need this EFI partition?update-grub does not update /boot/efi/EFI/ubuntu/grub.cfgEFI boot partitionhow to create EFI partition from scratchEfi issue Ubuntu 18 after deleting windows and efi partition













3















I had to create an EFI partition to install ubuntu 18.04. Now I want to create another boot on the same HD with 18.04 again. Do I need to create another EFI partition?










share|improve this question






















  • So you will have two instances of Ubuntu 18.04 on one HDD?

    – Pilot6
    4 hours ago











  • yes, @Pilot6 . The reason is irrelevant, but "My old 18.04 partition is going to fail soon due to bad block and Im moving to another one. As HP limits the number of partitions I can have, I care about creating new partitions".

    – Vitor Abella
    3 hours ago











  • HP doesn't limit the number of partitions. MBR maybe does.

    – Pilot6
    3 hours ago















3















I had to create an EFI partition to install ubuntu 18.04. Now I want to create another boot on the same HD with 18.04 again. Do I need to create another EFI partition?










share|improve this question






















  • So you will have two instances of Ubuntu 18.04 on one HDD?

    – Pilot6
    4 hours ago











  • yes, @Pilot6 . The reason is irrelevant, but "My old 18.04 partition is going to fail soon due to bad block and Im moving to another one. As HP limits the number of partitions I can have, I care about creating new partitions".

    – Vitor Abella
    3 hours ago











  • HP doesn't limit the number of partitions. MBR maybe does.

    – Pilot6
    3 hours ago













3












3








3








I had to create an EFI partition to install ubuntu 18.04. Now I want to create another boot on the same HD with 18.04 again. Do I need to create another EFI partition?










share|improve this question














I had to create an EFI partition to install ubuntu 18.04. Now I want to create another boot on the same HD with 18.04 again. Do I need to create another EFI partition?







system-installation uefi






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked 4 hours ago









Vitor AbellaVitor Abella

2,914113164




2,914113164












  • So you will have two instances of Ubuntu 18.04 on one HDD?

    – Pilot6
    4 hours ago











  • yes, @Pilot6 . The reason is irrelevant, but "My old 18.04 partition is going to fail soon due to bad block and Im moving to another one. As HP limits the number of partitions I can have, I care about creating new partitions".

    – Vitor Abella
    3 hours ago











  • HP doesn't limit the number of partitions. MBR maybe does.

    – Pilot6
    3 hours ago

















  • So you will have two instances of Ubuntu 18.04 on one HDD?

    – Pilot6
    4 hours ago











  • yes, @Pilot6 . The reason is irrelevant, but "My old 18.04 partition is going to fail soon due to bad block and Im moving to another one. As HP limits the number of partitions I can have, I care about creating new partitions".

    – Vitor Abella
    3 hours ago











  • HP doesn't limit the number of partitions. MBR maybe does.

    – Pilot6
    3 hours ago
















So you will have two instances of Ubuntu 18.04 on one HDD?

– Pilot6
4 hours ago





So you will have two instances of Ubuntu 18.04 on one HDD?

– Pilot6
4 hours ago













yes, @Pilot6 . The reason is irrelevant, but "My old 18.04 partition is going to fail soon due to bad block and Im moving to another one. As HP limits the number of partitions I can have, I care about creating new partitions".

– Vitor Abella
3 hours ago





yes, @Pilot6 . The reason is irrelevant, but "My old 18.04 partition is going to fail soon due to bad block and Im moving to another one. As HP limits the number of partitions I can have, I care about creating new partitions".

– Vitor Abella
3 hours ago













HP doesn't limit the number of partitions. MBR maybe does.

– Pilot6
3 hours ago





HP doesn't limit the number of partitions. MBR maybe does.

– Pilot6
3 hours ago










2 Answers
2






active

oldest

votes


















6














No, you only need one EFI partition. My dual-boot system shares the one partition between Windows and Ubuntu.



You can see it here with all the goofy Windows partitions. (My / partition is on a different physical drive)



enter image description here






share|improve this answer

























  • so, when I install i choose my ubuntu efi partition that I already created?

    – Vitor Abella
    4 hours ago











  • That's correct.

    – Pilot6
    4 hours ago











  • I've only done it once. I created a new EFI partition, and the installer ignored it and used the existing Windows one.

    – Organic Marble
    4 hours ago


















4














You need only one EFI partition for a computer in general.



No matter how many OS you have.



You may need multiple EFI partitions only in some special cases when you swap disks, change boot device in UEFI, etc.






share|improve this answer






















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    2 Answers
    2






    active

    oldest

    votes








    2 Answers
    2






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes









    6














    No, you only need one EFI partition. My dual-boot system shares the one partition between Windows and Ubuntu.



    You can see it here with all the goofy Windows partitions. (My / partition is on a different physical drive)



    enter image description here






    share|improve this answer

























    • so, when I install i choose my ubuntu efi partition that I already created?

      – Vitor Abella
      4 hours ago











    • That's correct.

      – Pilot6
      4 hours ago











    • I've only done it once. I created a new EFI partition, and the installer ignored it and used the existing Windows one.

      – Organic Marble
      4 hours ago















    6














    No, you only need one EFI partition. My dual-boot system shares the one partition between Windows and Ubuntu.



    You can see it here with all the goofy Windows partitions. (My / partition is on a different physical drive)



    enter image description here






    share|improve this answer

























    • so, when I install i choose my ubuntu efi partition that I already created?

      – Vitor Abella
      4 hours ago











    • That's correct.

      – Pilot6
      4 hours ago











    • I've only done it once. I created a new EFI partition, and the installer ignored it and used the existing Windows one.

      – Organic Marble
      4 hours ago













    6












    6








    6







    No, you only need one EFI partition. My dual-boot system shares the one partition between Windows and Ubuntu.



    You can see it here with all the goofy Windows partitions. (My / partition is on a different physical drive)



    enter image description here






    share|improve this answer















    No, you only need one EFI partition. My dual-boot system shares the one partition between Windows and Ubuntu.



    You can see it here with all the goofy Windows partitions. (My / partition is on a different physical drive)



    enter image description here







    share|improve this answer














    share|improve this answer



    share|improve this answer








    edited 4 hours ago

























    answered 4 hours ago









    Organic MarbleOrganic Marble

    11.4k63459




    11.4k63459












    • so, when I install i choose my ubuntu efi partition that I already created?

      – Vitor Abella
      4 hours ago











    • That's correct.

      – Pilot6
      4 hours ago











    • I've only done it once. I created a new EFI partition, and the installer ignored it and used the existing Windows one.

      – Organic Marble
      4 hours ago

















    • so, when I install i choose my ubuntu efi partition that I already created?

      – Vitor Abella
      4 hours ago











    • That's correct.

      – Pilot6
      4 hours ago











    • I've only done it once. I created a new EFI partition, and the installer ignored it and used the existing Windows one.

      – Organic Marble
      4 hours ago
















    so, when I install i choose my ubuntu efi partition that I already created?

    – Vitor Abella
    4 hours ago





    so, when I install i choose my ubuntu efi partition that I already created?

    – Vitor Abella
    4 hours ago













    That's correct.

    – Pilot6
    4 hours ago





    That's correct.

    – Pilot6
    4 hours ago













    I've only done it once. I created a new EFI partition, and the installer ignored it and used the existing Windows one.

    – Organic Marble
    4 hours ago





    I've only done it once. I created a new EFI partition, and the installer ignored it and used the existing Windows one.

    – Organic Marble
    4 hours ago













    4














    You need only one EFI partition for a computer in general.



    No matter how many OS you have.



    You may need multiple EFI partitions only in some special cases when you swap disks, change boot device in UEFI, etc.






    share|improve this answer



























      4














      You need only one EFI partition for a computer in general.



      No matter how many OS you have.



      You may need multiple EFI partitions only in some special cases when you swap disks, change boot device in UEFI, etc.






      share|improve this answer

























        4












        4








        4







        You need only one EFI partition for a computer in general.



        No matter how many OS you have.



        You may need multiple EFI partitions only in some special cases when you swap disks, change boot device in UEFI, etc.






        share|improve this answer













        You need only one EFI partition for a computer in general.



        No matter how many OS you have.



        You may need multiple EFI partitions only in some special cases when you swap disks, change boot device in UEFI, etc.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered 4 hours ago









        Pilot6Pilot6

        53.5k15109198




        53.5k15109198



























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