need help installing ubuntu 18.4/recovring previous installation











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During an automatic update on Ubuntu 16.04 LST with an update to Ubuntu 18.04 LST, I encountered and error which I have made worse by trying to fix.



To summarize I have a "boot drive" /sda1 with 3 partitions

Partition 1 512 FAT32 EFI system

Partition 2 512 Ext1 BIOS Bootable

Partition 3 959G Linux LVM - this contain the main HD and swap area



FYI, while I can "see" these partition on the Disk utility, I get nothing in the terminal when I type vgscan.



I have managed to destroy the BIOS Bootable - so that is blank and available
When I currently boot, it appears to use the EFI and boot into grub, which if I knew what to do next may be fine.



I am currently booted off a USB flash drive Ubuntu 18.04 installation disk. When attempt to use the "Install Ubuntu App" click the "something else" since I just want to update not do a clean install and loose and data.



On the next page I am present wit the options of /dev/sda1 through dev/sda3, as partitions per above. I have tried several combinations and a warning that I need to increase a partition size to 4.9 gbytes.



So I need to set up the system so that it boots and mounts the LVM partition.



Thanks in advance



pf



Addendum:
It appears that the fstab and grub.cfg are mess up. Below is additional information that may be of use:



# /etc/fstab: static file system information.  
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
#
# / was on /dev/sda2 during installation
UUID=3653100d-6690-4456-a6b9-13299060ad33 / ext2 errors=remount-ro 0 1
# /boot/efi was on /dev/sda1 during installation
UUID=4CA2-4106 /boot/efi vfat umask=0077 0 1
/swapfile


from the terminal:



root@ubuntu:~# blkid  
/dev/sda1: UUID="4CA2-4106" TYPE="vfat" PARTUUID="11a0c394-c5cd-47e1-a04a-82d581a5f507"
/dev/sda2: UUID="3653100d-6690-4456-a6b9-13299060ad33" TYPE="ext2" PARTUUID="3fc12e58-b028-4a45-976b-29ba68e01ba1"
/dev/sdb1: LABEL="Alice" UUID="d661c71a-1931-44a2-91ec-92997fea6abe" TYPE="ext4" PARTUUID="26d7b187-8019-4b5b-afa4-ac864b2fb772"
/dev/sdc1: LABEL="UBUNTU 18_0" UUID="1DE3-3A5E" TYPE="vfat" PARTUUID="0298be7f-01"
/dev/loop0: TYPE="squashfs"
/dev/loop1: TYPE="squashfs"
/dev/loop2: TYPE="squashfs"
/dev/loop3: TYPE="squashfs"
/dev/loop4: TYPE="squashfs"
/dev/loop5: TYPE="squashfs"
/dev/loop6: TYPE="squashfs"
/dev/loop7: TYPE="squashfs"
/dev/sda3: PARTUUID="18ec3457-3f3e-4235-984f-390c89b388bc"


The volumes mounted using mount | grep "/dev/s" are



/dev/sdc1 /cdrom vfat   ro,noatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro 0 0   
tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0
/dev/sda1 /media/ubuntu/4CA2-4106 vfat rw,nosuid,nodev,relatime,uid=999,gid=999,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,showexec,utf8,flush,errors=remount-ro 0 0
/dev/sda2 /media/ubuntu/3653100d-6690-4456-a6b9-13299060ad33 ext2 rw,nosuid,nodev,relatime,block_validity,barrier,user_xattr,acl,stripe=4 0 0
/dev/sdb1 /media/ubuntu/Alice ext4 rw,nosuid,nodev,relatime,data=ordered 0 0
root@ubuntu:/media/ubuntu/3653100d-6690-4456-a6b9-13299060ad33/etc# mount | grep "/dev/s"
/dev/sdc1 on /cdrom type vfat (ro,noatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
/dev/sda1 on /media/ubuntu/4CA2-4106 type vfat (rw,nosuid,nodev,relatime,uid=999,gid=999,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,showexec,utf8,flush,errors=remount-ro,uhelper=udisks2)
/dev/sda2 on /media/ubuntu/3653100d-6690-4456-a6b9-13299060ad33 type ext2 (rw,nosuid,nodev,relatime,block_validity,barrier,user_xattr,acl,stripe=4,uhelper=udisks2)
/dev/sdb1 on /media/ubuntu/Alice type ext4 (rw,nosuid,nodev,relatime,data=ordered,uhelper=udisks2)


I cannot see the volume group using lvdisplay



So I either need a means of editing the fstab file to mount the LVM volume (which I have not found yet, I don't see a UUID for one) or I need an application that can open and read a LVM partition that runs either in Ubuntu, Windows 10 or Mac OS; the latter 2 being I pull the drive and copy it at home.)










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    up vote
    0
    down vote

    favorite












    During an automatic update on Ubuntu 16.04 LST with an update to Ubuntu 18.04 LST, I encountered and error which I have made worse by trying to fix.



    To summarize I have a "boot drive" /sda1 with 3 partitions

    Partition 1 512 FAT32 EFI system

    Partition 2 512 Ext1 BIOS Bootable

    Partition 3 959G Linux LVM - this contain the main HD and swap area



    FYI, while I can "see" these partition on the Disk utility, I get nothing in the terminal when I type vgscan.



    I have managed to destroy the BIOS Bootable - so that is blank and available
    When I currently boot, it appears to use the EFI and boot into grub, which if I knew what to do next may be fine.



    I am currently booted off a USB flash drive Ubuntu 18.04 installation disk. When attempt to use the "Install Ubuntu App" click the "something else" since I just want to update not do a clean install and loose and data.



    On the next page I am present wit the options of /dev/sda1 through dev/sda3, as partitions per above. I have tried several combinations and a warning that I need to increase a partition size to 4.9 gbytes.



    So I need to set up the system so that it boots and mounts the LVM partition.



    Thanks in advance



    pf



    Addendum:
    It appears that the fstab and grub.cfg are mess up. Below is additional information that may be of use:



    # /etc/fstab: static file system information.  
    #
    # Use 'blkid' to print the universally unique identifier for a
    # device; this may be used with UUID= as a more robust way to name devices
    # that works even if disks are added and removed. See fstab(5).
    #
    #
    # / was on /dev/sda2 during installation
    UUID=3653100d-6690-4456-a6b9-13299060ad33 / ext2 errors=remount-ro 0 1
    # /boot/efi was on /dev/sda1 during installation
    UUID=4CA2-4106 /boot/efi vfat umask=0077 0 1
    /swapfile


    from the terminal:



    root@ubuntu:~# blkid  
    /dev/sda1: UUID="4CA2-4106" TYPE="vfat" PARTUUID="11a0c394-c5cd-47e1-a04a-82d581a5f507"
    /dev/sda2: UUID="3653100d-6690-4456-a6b9-13299060ad33" TYPE="ext2" PARTUUID="3fc12e58-b028-4a45-976b-29ba68e01ba1"
    /dev/sdb1: LABEL="Alice" UUID="d661c71a-1931-44a2-91ec-92997fea6abe" TYPE="ext4" PARTUUID="26d7b187-8019-4b5b-afa4-ac864b2fb772"
    /dev/sdc1: LABEL="UBUNTU 18_0" UUID="1DE3-3A5E" TYPE="vfat" PARTUUID="0298be7f-01"
    /dev/loop0: TYPE="squashfs"
    /dev/loop1: TYPE="squashfs"
    /dev/loop2: TYPE="squashfs"
    /dev/loop3: TYPE="squashfs"
    /dev/loop4: TYPE="squashfs"
    /dev/loop5: TYPE="squashfs"
    /dev/loop6: TYPE="squashfs"
    /dev/loop7: TYPE="squashfs"
    /dev/sda3: PARTUUID="18ec3457-3f3e-4235-984f-390c89b388bc"


    The volumes mounted using mount | grep "/dev/s" are



    /dev/sdc1 /cdrom vfat   ro,noatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro 0 0   
    tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0
    /dev/sda1 /media/ubuntu/4CA2-4106 vfat rw,nosuid,nodev,relatime,uid=999,gid=999,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,showexec,utf8,flush,errors=remount-ro 0 0
    /dev/sda2 /media/ubuntu/3653100d-6690-4456-a6b9-13299060ad33 ext2 rw,nosuid,nodev,relatime,block_validity,barrier,user_xattr,acl,stripe=4 0 0
    /dev/sdb1 /media/ubuntu/Alice ext4 rw,nosuid,nodev,relatime,data=ordered 0 0
    root@ubuntu:/media/ubuntu/3653100d-6690-4456-a6b9-13299060ad33/etc# mount | grep "/dev/s"
    /dev/sdc1 on /cdrom type vfat (ro,noatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)
    tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
    /dev/sda1 on /media/ubuntu/4CA2-4106 type vfat (rw,nosuid,nodev,relatime,uid=999,gid=999,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,showexec,utf8,flush,errors=remount-ro,uhelper=udisks2)
    /dev/sda2 on /media/ubuntu/3653100d-6690-4456-a6b9-13299060ad33 type ext2 (rw,nosuid,nodev,relatime,block_validity,barrier,user_xattr,acl,stripe=4,uhelper=udisks2)
    /dev/sdb1 on /media/ubuntu/Alice type ext4 (rw,nosuid,nodev,relatime,data=ordered,uhelper=udisks2)


    I cannot see the volume group using lvdisplay



    So I either need a means of editing the fstab file to mount the LVM volume (which I have not found yet, I don't see a UUID for one) or I need an application that can open and read a LVM partition that runs either in Ubuntu, Windows 10 or Mac OS; the latter 2 being I pull the drive and copy it at home.)










    share|improve this question









    New contributor




    Patrick Ford is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.






















      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      During an automatic update on Ubuntu 16.04 LST with an update to Ubuntu 18.04 LST, I encountered and error which I have made worse by trying to fix.



      To summarize I have a "boot drive" /sda1 with 3 partitions

      Partition 1 512 FAT32 EFI system

      Partition 2 512 Ext1 BIOS Bootable

      Partition 3 959G Linux LVM - this contain the main HD and swap area



      FYI, while I can "see" these partition on the Disk utility, I get nothing in the terminal when I type vgscan.



      I have managed to destroy the BIOS Bootable - so that is blank and available
      When I currently boot, it appears to use the EFI and boot into grub, which if I knew what to do next may be fine.



      I am currently booted off a USB flash drive Ubuntu 18.04 installation disk. When attempt to use the "Install Ubuntu App" click the "something else" since I just want to update not do a clean install and loose and data.



      On the next page I am present wit the options of /dev/sda1 through dev/sda3, as partitions per above. I have tried several combinations and a warning that I need to increase a partition size to 4.9 gbytes.



      So I need to set up the system so that it boots and mounts the LVM partition.



      Thanks in advance



      pf



      Addendum:
      It appears that the fstab and grub.cfg are mess up. Below is additional information that may be of use:



      # /etc/fstab: static file system information.  
      #
      # Use 'blkid' to print the universally unique identifier for a
      # device; this may be used with UUID= as a more robust way to name devices
      # that works even if disks are added and removed. See fstab(5).
      #
      #
      # / was on /dev/sda2 during installation
      UUID=3653100d-6690-4456-a6b9-13299060ad33 / ext2 errors=remount-ro 0 1
      # /boot/efi was on /dev/sda1 during installation
      UUID=4CA2-4106 /boot/efi vfat umask=0077 0 1
      /swapfile


      from the terminal:



      root@ubuntu:~# blkid  
      /dev/sda1: UUID="4CA2-4106" TYPE="vfat" PARTUUID="11a0c394-c5cd-47e1-a04a-82d581a5f507"
      /dev/sda2: UUID="3653100d-6690-4456-a6b9-13299060ad33" TYPE="ext2" PARTUUID="3fc12e58-b028-4a45-976b-29ba68e01ba1"
      /dev/sdb1: LABEL="Alice" UUID="d661c71a-1931-44a2-91ec-92997fea6abe" TYPE="ext4" PARTUUID="26d7b187-8019-4b5b-afa4-ac864b2fb772"
      /dev/sdc1: LABEL="UBUNTU 18_0" UUID="1DE3-3A5E" TYPE="vfat" PARTUUID="0298be7f-01"
      /dev/loop0: TYPE="squashfs"
      /dev/loop1: TYPE="squashfs"
      /dev/loop2: TYPE="squashfs"
      /dev/loop3: TYPE="squashfs"
      /dev/loop4: TYPE="squashfs"
      /dev/loop5: TYPE="squashfs"
      /dev/loop6: TYPE="squashfs"
      /dev/loop7: TYPE="squashfs"
      /dev/sda3: PARTUUID="18ec3457-3f3e-4235-984f-390c89b388bc"


      The volumes mounted using mount | grep "/dev/s" are



      /dev/sdc1 /cdrom vfat   ro,noatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro 0 0   
      tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0
      /dev/sda1 /media/ubuntu/4CA2-4106 vfat rw,nosuid,nodev,relatime,uid=999,gid=999,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,showexec,utf8,flush,errors=remount-ro 0 0
      /dev/sda2 /media/ubuntu/3653100d-6690-4456-a6b9-13299060ad33 ext2 rw,nosuid,nodev,relatime,block_validity,barrier,user_xattr,acl,stripe=4 0 0
      /dev/sdb1 /media/ubuntu/Alice ext4 rw,nosuid,nodev,relatime,data=ordered 0 0
      root@ubuntu:/media/ubuntu/3653100d-6690-4456-a6b9-13299060ad33/etc# mount | grep "/dev/s"
      /dev/sdc1 on /cdrom type vfat (ro,noatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)
      tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
      /dev/sda1 on /media/ubuntu/4CA2-4106 type vfat (rw,nosuid,nodev,relatime,uid=999,gid=999,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,showexec,utf8,flush,errors=remount-ro,uhelper=udisks2)
      /dev/sda2 on /media/ubuntu/3653100d-6690-4456-a6b9-13299060ad33 type ext2 (rw,nosuid,nodev,relatime,block_validity,barrier,user_xattr,acl,stripe=4,uhelper=udisks2)
      /dev/sdb1 on /media/ubuntu/Alice type ext4 (rw,nosuid,nodev,relatime,data=ordered,uhelper=udisks2)


      I cannot see the volume group using lvdisplay



      So I either need a means of editing the fstab file to mount the LVM volume (which I have not found yet, I don't see a UUID for one) or I need an application that can open and read a LVM partition that runs either in Ubuntu, Windows 10 or Mac OS; the latter 2 being I pull the drive and copy it at home.)










      share|improve this question









      New contributor




      Patrick Ford is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.











      During an automatic update on Ubuntu 16.04 LST with an update to Ubuntu 18.04 LST, I encountered and error which I have made worse by trying to fix.



      To summarize I have a "boot drive" /sda1 with 3 partitions

      Partition 1 512 FAT32 EFI system

      Partition 2 512 Ext1 BIOS Bootable

      Partition 3 959G Linux LVM - this contain the main HD and swap area



      FYI, while I can "see" these partition on the Disk utility, I get nothing in the terminal when I type vgscan.



      I have managed to destroy the BIOS Bootable - so that is blank and available
      When I currently boot, it appears to use the EFI and boot into grub, which if I knew what to do next may be fine.



      I am currently booted off a USB flash drive Ubuntu 18.04 installation disk. When attempt to use the "Install Ubuntu App" click the "something else" since I just want to update not do a clean install and loose and data.



      On the next page I am present wit the options of /dev/sda1 through dev/sda3, as partitions per above. I have tried several combinations and a warning that I need to increase a partition size to 4.9 gbytes.



      So I need to set up the system so that it boots and mounts the LVM partition.



      Thanks in advance



      pf



      Addendum:
      It appears that the fstab and grub.cfg are mess up. Below is additional information that may be of use:



      # /etc/fstab: static file system information.  
      #
      # Use 'blkid' to print the universally unique identifier for a
      # device; this may be used with UUID= as a more robust way to name devices
      # that works even if disks are added and removed. See fstab(5).
      #
      #
      # / was on /dev/sda2 during installation
      UUID=3653100d-6690-4456-a6b9-13299060ad33 / ext2 errors=remount-ro 0 1
      # /boot/efi was on /dev/sda1 during installation
      UUID=4CA2-4106 /boot/efi vfat umask=0077 0 1
      /swapfile


      from the terminal:



      root@ubuntu:~# blkid  
      /dev/sda1: UUID="4CA2-4106" TYPE="vfat" PARTUUID="11a0c394-c5cd-47e1-a04a-82d581a5f507"
      /dev/sda2: UUID="3653100d-6690-4456-a6b9-13299060ad33" TYPE="ext2" PARTUUID="3fc12e58-b028-4a45-976b-29ba68e01ba1"
      /dev/sdb1: LABEL="Alice" UUID="d661c71a-1931-44a2-91ec-92997fea6abe" TYPE="ext4" PARTUUID="26d7b187-8019-4b5b-afa4-ac864b2fb772"
      /dev/sdc1: LABEL="UBUNTU 18_0" UUID="1DE3-3A5E" TYPE="vfat" PARTUUID="0298be7f-01"
      /dev/loop0: TYPE="squashfs"
      /dev/loop1: TYPE="squashfs"
      /dev/loop2: TYPE="squashfs"
      /dev/loop3: TYPE="squashfs"
      /dev/loop4: TYPE="squashfs"
      /dev/loop5: TYPE="squashfs"
      /dev/loop6: TYPE="squashfs"
      /dev/loop7: TYPE="squashfs"
      /dev/sda3: PARTUUID="18ec3457-3f3e-4235-984f-390c89b388bc"


      The volumes mounted using mount | grep "/dev/s" are



      /dev/sdc1 /cdrom vfat   ro,noatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro 0 0   
      tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0
      /dev/sda1 /media/ubuntu/4CA2-4106 vfat rw,nosuid,nodev,relatime,uid=999,gid=999,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,showexec,utf8,flush,errors=remount-ro 0 0
      /dev/sda2 /media/ubuntu/3653100d-6690-4456-a6b9-13299060ad33 ext2 rw,nosuid,nodev,relatime,block_validity,barrier,user_xattr,acl,stripe=4 0 0
      /dev/sdb1 /media/ubuntu/Alice ext4 rw,nosuid,nodev,relatime,data=ordered 0 0
      root@ubuntu:/media/ubuntu/3653100d-6690-4456-a6b9-13299060ad33/etc# mount | grep "/dev/s"
      /dev/sdc1 on /cdrom type vfat (ro,noatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)
      tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
      /dev/sda1 on /media/ubuntu/4CA2-4106 type vfat (rw,nosuid,nodev,relatime,uid=999,gid=999,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,showexec,utf8,flush,errors=remount-ro,uhelper=udisks2)
      /dev/sda2 on /media/ubuntu/3653100d-6690-4456-a6b9-13299060ad33 type ext2 (rw,nosuid,nodev,relatime,block_validity,barrier,user_xattr,acl,stripe=4,uhelper=udisks2)
      /dev/sdb1 on /media/ubuntu/Alice type ext4 (rw,nosuid,nodev,relatime,data=ordered,uhelper=udisks2)


      I cannot see the volume group using lvdisplay



      So I either need a means of editing the fstab file to mount the LVM volume (which I have not found yet, I don't see a UUID for one) or I need an application that can open and read a LVM partition that runs either in Ubuntu, Windows 10 or Mac OS; the latter 2 being I pull the drive and copy it at home.)







      boot grub2 partitioning uefi lvm






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      edited Nov 15 at 20:35









      mook765

      3,25221022




      3,25221022






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      asked Nov 14 at 19:22









      Patrick Ford

      11




      11




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      New contributor





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      Check out our Code of Conduct.






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      Check out our Code of Conduct.



























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