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Ubuntu Help - Boot Problem #N00b

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  • R
    RogerBrownTDL @Sebastian Roth
    last edited by Sebastian Roth Mar 6, 2023, 8:17 AM Mar 6, 2023, 2:11 PM

    @Sebastian-Roth said in Ubuntu Help - Boot Problem #N00b:

    ls -al /images/dev

    root@tie-fogdeploy-01:~# ls -al /images/dev
    total 16
    drwxrwxrwx 4 fogproject root 4096 Mar  3 15:43 .
    drwxrwxrwx 7 fogproject root 4096 Mar  1 19:31 ..
    drwxrwxrwx 2 root       root 4096 Mar  3 15:45 c8d9d2d4c8ac
    -rwxrwxrwx 1 fogproject root    0 Sep  7 20:42 .mntcheck
    drwxrwxrwx 2 fogproject root 4096 Sep  7 20:42 postinitscripts
    root@tie-fogdeploy-01:~#
    
    1 Reply Last reply Reply Quote 0
    • S
      Sebastian Roth Moderator
      last edited by Sebastian Roth Mar 6, 2023, 8:21 AM Mar 6, 2023, 2:20 PM

      @RogerBrownTDL Ok, there is really only one. Probably the one that failed to upload because it filled the disk. I suggest you remove that because with a full disk that is not going to be a valid image in any case.

      rm -rf /images/dev/c8d9d2d4c8ac
      

      Make sure you don’t mess with this command (e.g. use spaces in other places or *) because it can do a lot of harm if used the wrong way. Just wanted to get out this beforehand as you told us you are a Linux beginner.

      Now run df -h to check the disk space available and reboot the whole VM.

      Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

      Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

      R 1 Reply Last reply Mar 6, 2023, 2:27 PM Reply Quote 0
      • R
        RogerBrownTDL @Sebastian Roth
        last edited by Sebastian Roth Mar 6, 2023, 8:33 AM Mar 6, 2023, 2:27 PM

        @Sebastian-Roth said in Ubuntu Help - Boot Problem #N00b:

        df -h

        Okay, removed the offending one using rm -rf /images/dev/c8d9d2d4c8ac df -h shows:

        root@tie-fogdeploy-01:~# df -h
        Filesystem                         Size  Used Avail Use% Mounted on
        udev                               5.7G     0  5.7G   0% /dev
        tmpfs                              1.2G  112M  1.1G  10% /run
        /dev/mapper/ubuntu--vg-ubuntu--lv   98G   86G  7.8G  92% /
        tmpfs                              5.8G     0  5.8G   0% /dev/shm
        tmpfs                              5.0M     0  5.0M   0% /run/lock
        tmpfs                              5.8G     0  5.8G   0% /sys/fs/cgroup
        /dev/loop0                          92M   92M     0 100% /snap/lxd/23991
        /dev/loop1                          64M   64M     0 100% /snap/core20/1822
        /dev/loop2                          92M   92M     0 100% /snap/lxd/24061
        /dev/loop3                          50M   50M     0 100% /snap/snapd/17950
        /dev/loop5                          50M   50M     0 100% /snap/snapd/18357
        /dev/loop4                          64M   64M     0 100% /snap/core20/1778
        /dev/sda2                          2.0G  207M  1.6G  12% /boot
        root@tie-fogdeploy-01:~#
        

        Rebooted VM. df -h shows

        root@tie-fogdeploy-01:~# df -h
        Filesystem                         Size  Used Avail Use% Mounted on
        udev                               5.7G     0  5.7G   0% /dev
        tmpfs                              1.2G  1.1M  1.2G   1% /run
        /dev/mapper/ubuntu--vg-ubuntu--lv   98G   86G  7.8G  92% /
        tmpfs                              5.8G     0  5.8G   0% /dev/shm
        tmpfs                              5.0M     0  5.0M   0% /run/lock
        tmpfs                              5.8G     0  5.8G   0% /sys/fs/cgroup
        /dev/loop1                          64M   64M     0 100% /snap/core20/1778
        /dev/loop0                          64M   64M     0 100% /snap/core20/1822
        /dev/loop2                          50M   50M     0 100% /snap/snapd/18357
        /dev/loop5                          92M   92M     0 100% /snap/lxd/24061
        /dev/loop3                          50M   50M     0 100% /snap/snapd/17950
        /dev/loop4                          92M   92M     0 100% /snap/lxd/23991
        /dev/sda2                          2.0G  207M  1.6G  12% /boot
        tmpfs                              1.2G     0  1.2G   0% /run/user/0
        root@tie-fogdeploy-01:~#
        

        It’s a 500gb VHDX though, surely this shouldnt be full?

        1 Reply Last reply Reply Quote 0
        • S
          Sebastian Roth Moderator
          last edited by Mar 6, 2023, 2:30 PM

          @RogerBrownTDL On the long run you need to look into purging some of the images and/or extending the disk space.

          The other outputs you posted show that the root partition (LVM) really is only 100 GB in size while the whole VMDK container is 500 GB.

          Extending the space is a bit more advanced but should be possible for you to achieve as well because things seem to be prepared already. After the reboot of the VM run the following commands and post output here:

          pvs
          vgs
          lvs
          

          Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

          Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

          R 1 Reply Last reply Mar 6, 2023, 2:44 PM Reply Quote 0
          • R
            RogerBrownTDL @Sebastian Roth
            last edited by Sebastian Roth Mar 6, 2023, 3:45 PM Mar 6, 2023, 2:44 PM

            @Sebastian-Roth said in Ubuntu Help - Boot Problem #N00b:

            lvs
            Output is as follows:

            root@tie-fogdeploy-01:~# pvs
              PV         VG        Fmt  Attr PSize    PFree
              /dev/sda3  ubuntu-vg lvm2 a--  <498.00g <398.00g
            
            root@tie-fogdeploy-01:~# lvs
              LV        VG        Attr       LSize   Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
              ubuntu-lv ubuntu-vg -wi-ao---- 100.00g                                        
            
            root@tie-fogdeploy-01:~# vgs
              VG        #PV #LV #SN Attr   VSize    VFree
              ubuntu-vg   1   1   0 wz--n- <498.00g <398.00g
            root@tie-fogdeploy-01:~#
            
            L 1 Reply Last reply Mar 6, 2023, 7:46 PM Reply Quote 0
            • L
              lukebarone @RogerBrownTDL
              last edited by Mar 6, 2023, 7:46 PM

              @RogerBrownTDL

              lvextend -L +398g ubuntu-lv --resizefs
              

              You may need to reboot for it to take effect. This will use all the remaining LVM volume space for your logical volume. You can’t go smaller after the fact, so be sure you want to use it all first.

              R 1 Reply Last reply Mar 6, 2023, 8:02 PM Reply Quote 0
              • R
                RogerBrownTDL @lukebarone
                last edited by Mar 6, 2023, 8:02 PM

                @lukebarone said in Ubuntu Help - Boot Problem #N00b:

                lvextend -L +398g ubuntu-lv --resizefs

                to confirm, this will mean I can actually use the box to it’s full 500gb drive allocation?

                L 1 Reply Last reply Mar 6, 2023, 8:18 PM Reply Quote 0
                • L
                  lukebarone @RogerBrownTDL
                  last edited by Mar 6, 2023, 8:18 PM

                  @RogerBrownTDL Yes.

                  lvextend - Increase the volume size
                  -L - Specify the size to increase it by
                  ubuntu-lv - The name of your logical volume (as reported)
                  --resizefs - Resize the EXT{2|3|4} file system
                  
                  R 1 Reply Last reply Mar 6, 2023, 8:23 PM Reply Quote 0
                  • R
                    RogerBrownTDL @lukebarone
                    last edited by Mar 6, 2023, 8:23 PM

                    @lukebarone

                    In which case based on the output here:
                    root@tie-fogdeploy-01:~# pvs
                    PV VG Fmt Attr PSize PFree
                    /dev/sda3 ubuntu-vg lvm2 a-- <498.00g <398.00g
                    root@tie-fogdeploy-01:~# lvs
                    LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
                    ubuntu-lv ubuntu-vg -wi-ao---- 100.00g
                    root@tie-fogdeploy-01:~# vgs
                    VG #PV #LV #SN Attr VSize VFree
                    ubuntu-vg 1 1 0 wz–n- <498.00g <398.00g
                    root@tie-fogdeploy-01:~# lvextend -L +398g ubuntu-lv --resizefs
                    Please specify a logical volume path.
                    Run `lvextend --help’ for more information.
                    root@tie-fogdeploy-01:~#

                    Would it be lvextend -L +398g ubuntu-vg --resizefs ?

                    L 1 Reply Last reply Mar 6, 2023, 8:27 PM Reply Quote 0
                    • L
                      lukebarone @RogerBrownTDL
                      last edited by Mar 6, 2023, 8:27 PM

                      @RogerBrownTDL Try this instead:

                      lvextend -L +398g ubuntu-vg/ubuntu-lv --resizefs

                      R 2 Replies Last reply Mar 6, 2023, 8:29 PM Reply Quote 0
                      • R
                        RogerBrownTDL @lukebarone
                        last edited by Mar 6, 2023, 8:29 PM

                        @lukebarone response: root@tie-fogdeploy-01:~# lvextend -L +398g ubuntu-vg/ubuntu-lv --resizefs
                        Insufficient free space: 101888 extents needed, but only 101887 available
                        root@tie-fogdeploy-01:~#

                        1 Reply Last reply Reply Quote 0
                        • R
                          RogerBrownTDL @lukebarone
                          last edited by Mar 6, 2023, 9:53 PM

                          @lukebarone thoughts?

                          1 Reply Last reply Reply Quote 0
                          • S
                            Sebastian Roth Moderator
                            last edited by Sebastian Roth Mar 6, 2023, 3:57 PM Mar 6, 2023, 9:55 PM

                            @lukebarone I am wondering if it’s wise to create another volume instead of extending the existing one. This way the images could be put on the separate volume/partition and would not be able to fill the root partition. But that’s just me trying to prevent this from happening again.

                            The downside of my proposal is that the existing 100 GB root partition can’t be used by images and therefore are kind of wasted because the FOG server itself will never use 100 GB disk space with the images on a separate partition.

                            So maybe it’s actually wise to just extend as proposed and @RogerBrownTDL needs to keep an eye on the disk space from now on.

                            So if you wanna go this path, do:

                            lvextend --extents +100%FREE ubuntu-vg/ubuntu-lv --resizefs
                            

                            Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

                            Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

                            R 1 Reply Last reply Mar 6, 2023, 10:00 PM Reply Quote 0
                            • R
                              RogerBrownTDL @Sebastian Roth
                              last edited by Mar 6, 2023, 10:00 PM

                              @Sebastian-Roth So obviously as a Linux noob, I know very little… I’m purely (I know, insert puke emoji here) a Windows Sysadmin. If I understand it correctly the way i’ve got it setup is like having a single big C:\ and all i’m wanting to do is get the entire fog server to see it all rather than just a partition of it… If I follow that command
                              “lvextend --extents +100%FREE ubuntu-vg/ubuntu-lv --resizefs”
                              Will it do that so that the full 500gb would be visible and the images stored remain intact?

                              1 Reply Last reply Reply Quote 0
                              • S
                                Sebastian Roth Moderator
                                last edited by Mar 6, 2023, 10:11 PM

                                @RogerBrownTDL said in Ubuntu Help - Boot Problem #N00b:

                                Will it do that so that the full 500gb would be visible and the images stored remain intact?

                                Yes! Although I am not a 100% sure the filesystem resize (to full size) will work while the system is running. Should work but I can’t promise you it will. As well just for safety reasons I always suggest for people to take a backup copy before doing these kind of operations on a production server. Should be really easy taking a snapshot in Hyper-V before going ahead.

                                The other option I was talking about would be like adding a D:\ drive and moving all the images to that new partition. As I said it’s wise on the one hand so images can’t fill up your important C:\ drive (with the database on it) but on the other side you waste free space on C:…

                                Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

                                Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

                                R 1 Reply Last reply Mar 6, 2023, 10:16 PM Reply Quote 0
                                • R
                                  RogerBrownTDL @Sebastian Roth
                                  last edited by Mar 6, 2023, 10:16 PM

                                  @Sebastian-Roth further info print i’ve got if this makes more sense:
                                  root@tie-fogdeploy-01:~# sudo parted /dev/sda unit MiB print
                                  Model: Msft Virtual Disk (scsi)
                                  Disk /dev/sda: 512000MiB
                                  Sector size (logical/physical): 512B/4096B
                                  Partition Table: gpt
                                  Disk Flags:

                                  Number Start End Size File system Name Flags
                                  1 1.00MiB 2.00MiB 1.00MiB bios_grub
                                  2 2.00MiB 2050MiB 2048MiB ext4
                                  3 2050MiB 511999MiB 509949MiB

                                  If the system isnt running, surely I wouldnt be able to do anything, so it needs to be online?

                                  1 Reply Last reply Reply Quote 0
                                  • S
                                    Sebastian Roth Moderator
                                    last edited by Sebastian Roth Mar 6, 2023, 4:20 PM Mar 6, 2023, 10:19 PM

                                    @RogerBrownTDL said in Ubuntu Help - Boot Problem #N00b:

                                    If the system isnt running, surely I wouldnt be able to do anything, so it needs to be online?

                                    Well, you can boot into a Live Linux ISO (Ubuntu or many others) to get to a command shell and do such things with the OS on disk not running. But I think you are fine doing it live after taking a snapshot backup.

                                    Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

                                    Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

                                    R 1 Reply Last reply Mar 6, 2023, 10:24 PM Reply Quote 0
                                    • R
                                      RogerBrownTDL @Sebastian Roth
                                      last edited by Mar 6, 2023, 10:24 PM

                                      @Sebastian-Roth Thanks my friend, snapshot taken in hyper-v and command run… Stupid Q now. How do I check if it’s worked 😆

                                      1 Reply Last reply Reply Quote 0
                                      • S
                                        Sebastian Roth Moderator
                                        last edited by Mar 6, 2023, 10:28 PM

                                        @RogerBrownTDL Reboot and take a look at the disk space with df -h.

                                        Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

                                        Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

                                        R 1 Reply Last reply Mar 6, 2023, 10:32 PM Reply Quote 0
                                        • R
                                          RogerBrownTDL @Sebastian Roth
                                          last edited by Mar 6, 2023, 10:32 PM

                                          @Sebastian-Roth root@tie-fogdeploy-01:~# df -h
                                          Filesystem Size Used Avail Use% Mounted on
                                          udev 5.7G 0 5.7G 0% /dev
                                          tmpfs 1.2G 1.1M 1.2G 1% /run
                                          /dev/mapper/ubuntu–vg-ubuntu–lv 490G 86G 384G 19% /
                                          tmpfs 5.8G 0 5.8G 0% /dev/shm
                                          tmpfs 5.0M 0 5.0M 0% /run/lock
                                          tmpfs 5.8G 0 5.8G 0% /sys/fs/cgroup
                                          /dev/loop0 92M 92M 0 100% /snap/lxd/23991
                                          /dev/loop4 50M 50M 0 100% /snap/snapd/17950
                                          /dev/loop2 92M 92M 0 100% /snap/lxd/24061
                                          /dev/loop3 64M 64M 0 100% /snap/core20/1778
                                          /dev/loop1 64M 64M 0 100% /snap/core20/1822
                                          /dev/loop5 50M 50M 0 100% /snap/snapd/18357
                                          /dev/sda2 2.0G 207M 1.6G 12% /boot
                                          tmpfs 1.2G 0 1.2G 0% /run/user/0
                                          root@tie-fogdeploy-01:~#
                                          i’m guessing /dev/mapper/ubuntu–vg-ubuntu–lv 490G 86G 384G 19% / means its worked?

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