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Thread: ubuntu 16.04.6 - 300GB upgrade for sda - doesnt work

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    Jun 2021
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    Question ubuntu 16.04.6 - 300GB upgrade for sda - doesnt work

    Hello everyone!

    Usually. When I upgrade the hard disk space on a virtual machine on our ESXi I go to the virtual machine settings, upgrade the GB (for example here from 300GB to 600GB) and then I extend the LVM with "lvextend -l +100%FREE /dev/vs00034-vg/root" and "resize2fs /dev/vs00034-vg/root"
    After that the partition is as big as it should be.

    But this time following is happening:
    Code:
    root@vs00034:~# lvextend -l +100%FREE /dev/vs00034-vg/root
      New size (74630 extents) matches existing size (74630 extents)
    And logically the 2nd command outputs following:
    Code:
    root@vs00034:~# resize2fs /dev/vs00034-vg/rootresize2fs 1.42.13 (17-May-2015)
    Das Dateisystem ist bereits 76421120 (4k) Blöcke lang. Nichts zu tun!
    When I think back in my memory there was a column with "free space" on the output of "df -h" - but now I only see this:
    Code:
    root@vs00034:~# df -hFilesystem                    Size  Used Avail Use% Mounted on
    udev                          3,9G     0  3,9G   0% /dev
    tmpfs                         799M   17M  782M   3% /run
    /dev/mapper/vs00034--vg-root  287G  191G   82G  71% /
    tmpfs                         3,9G     0  3,9G   0% /dev/shm
    tmpfs                         5,0M     0  5,0M   0% /run/lock
    tmpfs                         3,9G     0  3,9G   0% /sys/fs/cgroup
    /dev/sda1                     472M  105M  343M  24% /boot
    tmpfs                         799M     0  799M   0% /run/user/1000
    On the following output I have to say that I remember that when I used the command "sfdisk -l" before there wasnt 602GIB on /dev/sda (1st row in the following code)
    Code:
    root@vs00034:~# sfdisk -lDisk /dev/sda: 602 GiB, 646392578048 bytes, 1262485504 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disklabel type: dos
    Disk identifier: 0xbdef77f4
    
    
    Device     Boot   Start       End   Sectors   Size Id Type
    /dev/sda1  *       2048    999423    997376   487M 83 Linux
    /dev/sda2       1001470 629143551 628142082 299,5G  5 Extended
    /dev/sda5       1001472 629143551 628142080 299,5G 8e Linux LVM
    
    
    
    
    Disk /dev/mapper/vs00034--vg-root: 291,5 GiB, 313020907520 bytes, 611368960 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    
    
    
    
    Disk /dev/mapper/vs00034--vg-swap_1: 8 GiB, 8585740288 bytes, 16769024 sectors
    Units: sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Maybe there are 602GIB because I have tried the command "growpart /dev/sda 5" which was executed sucesfully (he was showing the size before the command and the size after. I think it was double. But I dont have the output anymore)
    After the "growpart /dev/sda 5" I wanted to try "resize2fs /dev/sda5" (the two commands belong together in the tutorial)
    Code:
    root@vs00034:~# resize2fs /dev/sda5resize2fs 1.42.13 (17-May-2015)
    resize2fs: Device or resource busy beim Versuch, /dev/sda5 zu öffnen
    Es kann kein gültiger Dateisystem-Superblock gefunden werden.
    (this message occured before, too)

    Here some additional informations
    Code:
    root@vs00034:~# pvdisplay  --- Physical volume ---
      PV Name               /dev/sda5
      VG Name               vs00034-vg
      PV Size               299,52 GiB / not usable 0
      Allocatable           yes (but full)
      PE Size               4,00 MiB
      Total PE              76677
      Free PE               0
      Allocated PE          76677
      PV UUID               xxxxxx-xxxx-xxxx-xxxx-xxxx-xxxx-xxxxxx
    Code:
    root@vs00034:~# lvdisplay  --- Logical volume ---
      LV Path                /dev/vs00034-vg/root
      LV Name                root
      VG Name                vs00034-vg
      LV UUID                xxxxxx-xxxx-xxxx-xxxx-xxxx-xxxx-xxxxxx
      LV Write Access        read/write
      LV Creation host, time vs00034, 2017-06-29 14:44:05 +0200
      LV Status              available
      # open                 1
      LV Size                291,52 GiB
      Current LE             74630
      Segments               2
      Allocation             inherit
      Read ahead sectors     auto
      - currently set to     256
      Block device           252:0
    
    
      --- Logical volume ---
      LV Path                /dev/vs00034-vg/swap_1
      LV Name                swap_1
      VG Name                vs00034-vg
      LV UUID                xxxxxx-xxxx-xxxx-xxxx-xxxx-xxxx-xxxxxx
      LV Write Access        read/write
      LV Creation host, time vs00034, 2017-06-29 14:44:05 +0200
      LV Status              available
      # open                 2
      LV Size                8,00 GiB
      Current LE             2047
      Segments               1
      Allocation             inherit
      Read ahead sectors     auto
      - currently set to     256
      Block device           252:1
    Code:
    root@vs00034:~# lvs  LV     VG         Attr       LSize   Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
      root   vs00034-vg -wi-ao---- 291,52g
      swap_1 vs00034-vg -wi-ao----   8,00g
    In the following section I am 100% sure that the output of sda was 300GB before! (maybe I can fix it myself but I will ask now) (could be because of the "growpart" command!)
    Code:
    root@vs00034:~# lsblkNAME                   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
    fd0                      2:0    1     4K  0 disk
    sda                      8:0    0   602G  0 disk
    ├─sda1                   8:1    0   487M  0 part /boot
    ├─sda2                   8:2    0     1K  0 part
    └─sda5                   8:5    0 299,5G  0 part
      ├─vs00034--vg-root   252:0    0 291,5G  0 lvm  /
      └─vs00034--vg-swap_1 252:1    0     8G  0 lvm  [SWAP]
    sr0                     11:0    1  1024M  0 rom
    Code:
    root@vs00034:~# lvscan  ACTIVE            '/dev/vs00034-vg/root' [291,52 GiB] inherit
      ACTIVE            '/dev/vs00034-vg/swap_1' [8,00 GiB] inherit
    Again in the following part! 602GB detected! (maybe the "growpart" command ...)
    Code:
    root@vs00034:~# lsblk -o NAME,UUID,FSTYPE,SIZE,LABEL,MOUNTPOINTNAME                   UUID                                   FSTYPE        SIZE LABEL MOUNTPOINT
    fd0                                                                           4K
    sda                                                                         602G
    ├─sda1 xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx ext2          487M       /boot
    ├─sda2                                                                        1K
    └─sda5 xxxxxx-xxxx-xxxx-xxxx-xxxx-xxxx-xxxxxx LVM2_member 299,5G
      ├─vs00034--vg-root xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx ext4        291,5G       /
      └─vs00034--vg-swap_1 xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx swap            8G       [SWAP]
    sr0                                                                        1024M
    Code:
    root@vs00034:~# vgs  VG         #PV #LV #SN Attr   VSize   VFree
      vs00034-vg   1   2   0 wz--n- 299,52g    0
    Code:
    root@vs00034:~# pvs  PV         VG         Fmt  Attr PSize   PFree
      /dev/sda5  vs00034-vg lvm2 a--  299,52g    0
    Following rows I have on the output of "cfdisk"
    Code:
    Device - /dev/sda1              Size 487M        Type Linux
    Device - /dev/sda2              Size 299,5G      Type Extended
    Device -     ->/dev/sda5      Size 299,5G       Type Linux LVM
    Free space                          Size 302G
    I hope you can help me! I tried reboots of the machine with addind 1GB space before booting again. Did not work.
    I tried several commands.
    I tried several tutorials.
    But I cant expand the LVM of the machine.

    Im very very thankful for reading and for answers/tips/etc!
    I wish a good left week and weekend!

    goodfred
    Last edited by ajgreeny; June 17th, 2021 at 05:15 PM. Reason: Quote tags replaced with code tags

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