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    Out of Space - Ubuntu Linux 14.04

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    ubuntu 14.04 linux ubuntu
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    • scottalanmillerS
      scottalanmiller
      last edited by

      So you can see that you now have 25GB free.

      1 Reply Last reply Reply Quote 0
      • scottalanmillerS
        scottalanmiller
        last edited by

        Now you need to lvextend to 100%free

        I'm on a plane. You will need to Google the syntax.

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        • handsofqwertyH
          handsofqwerty
          last edited by

          Ok, I was able to figure it out. Here is the final results:

          What I used to get info:

          root@plex-server:/dev# lvs
            LV     VG             Attr      LSize  Pool Origin Data%  Move Log Copy%  Convert
            root   plex-server-vg -wi-ao--- 17.74g
            swap_1 plex-server-vg -wi-ao---  2.00g
          
          root@plex-server:/dev# vgs
            VG             #PV #LV #SN Attr   VSize  VFree
            plex-server-vg   2   2   0 wz--n- 44.75g 25.02g
          

          The command I ran to extend the logical volume and the file system together and the results:

          root@plex-server:/dev# lvextend -r plex-server-vg/root /dev/sdb
            Extending logical volume root to 42.74 GiB
            Logical volume root successfully resized
          resize2fs 1.42.9 (4-Feb-2014)
          Filesystem at /dev/mapper/plex--server--vg-root is mounted on /; on-line resizing required
          old_desc_blocks = 2, new_desc_blocks = 3
          The filesystem on /dev/mapper/plex--server--vg-root is now 11203584 blocks long.
          
          root@plex-server:/dev# df -h
          Filesystem                           Size  Used Avail Use% Mounted on
          /dev/mapper/plex--server--vg-root     42G   17G   24G  42% /
          none                                 4.0K     0  4.0K   0% /sys/fs/cgroup
          udev                                 2.0G  4.0K  2.0G   1% /dev
          tmpfs                                396M  716K  395M   1% /run
          none                                 5.0M     0  5.0M   0% /run/lock
          none                                 2.0G  4.0K  2.0G   1% /run/shm
          none                                 100M     0  100M   0% /run/user
          /dev/sda1                            236M   55M  169M  25% /boot
          overflow                             1.0M   16K 1008K   2% /tmp
          

          Thanks so much for your help and guidance @scottalanmiller ! I learned a lot today!

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          • handsofqwertyH
            handsofqwerty
            last edited by

            Now, @scottalanmiller, one more question...the new virtual HDD is thin provisioned, so if I needed to expand it further, I can do it easily. Would I have to run lvextend again if I expand that drive in VMware? I assume so but are just curious. Thanks!

            scottalanmillerS 1 Reply Last reply Reply Quote 1
            • scottalanmillerS
              scottalanmiller @handsofqwerty
              last edited by

              @handsofqwerty said:

              Now, @scottalanmiller, one more question...the new virtual HDD is thin provisioned, so if I needed to expand it further, I can do it easily. Would I have to run lvextend again if I expand that drive in VMware? I assume so but are just curious. Thanks!

              Yes, expanding or growing underlying block storage will not make volume managers or file systems on top grow too. The system has no way to know how you want the new storage to be used, so you would not want this. What if you wanted to add a new filesystem, for example, you would take the same action but would be pretty surprised if you found that that was automatically added to an already existing filesystem.

              In a case like yours, it feels like the layers of expansion are obvious and you would "just want that." BUt if you were doing other tasks with the storage you would be like "oh, yeah, it can't make that judgement call for me."

              handsofqwertyH 1 Reply Last reply Reply Quote 1
              • handsofqwertyH
                handsofqwerty @scottalanmiller
                last edited by

                @scottalanmiller said:

                @handsofqwerty said:

                Now, @scottalanmiller, one more question...the new virtual HDD is thin provisioned, so if I needed to expand it further, I can do it easily. Would I have to run lvextend again if I expand that drive in VMware? I assume so but are just curious. Thanks!

                Yes, expanding or growing underlying block storage will not make volume managers or file systems on top grow too. The system has no way to know how you want the new storage to be used, so you would not want this. What if you wanted to add a new filesystem, for example, you would take the same action but would be pretty surprised if you found that that was automatically added to an already existing filesystem.

                In a case like yours, it feels like the layers of expansion are obvious and you would "just want that." BUt if you were doing other tasks with the storage you would be like "oh, yeah, it can't make that judgement call for me."

                I totally understand. It's easy to think about use cases only from one perspective, so I know what you mean. I figured that was the case but wanted to double check. So I should be able to, in theory, issue the same command, right?

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                • scottalanmillerS
                  scottalanmiller
                  last edited by

                  Yup, you just do the same process again to expand in the future.

                  handsofqwertyH 1 Reply Last reply Reply Quote 0
                  • handsofqwertyH
                    handsofqwerty @scottalanmiller
                    last edited by

                    @scottalanmiller said:

                    Yup, you just do the same process again to expand in the future.

                    Sweet, thanks!

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