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virtfs eating up diskspace

Discussion in 'General Discussion' started by toffe, Nov 15, 2017.

  1. toffe

    toffe Active Member

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    Somehow the /home/virtfs folder is growing bigger and I´m soon out of diskspace. What is it for? Look at the screenshot that is attached.

    Screen Shot 2017-11-15 at 20.10.56.png Screen Shot 2017-11-15 at 20.38.22.png
     
    #1 toffe, Nov 15, 2017
  2. toffe

    toffe Active Member

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    The disk useage is now very critical. I think it is the backup files, but they are not located in /home/backups. How can I locate them?
     
    #2 toffe, Nov 16, 2017
  3. sparek-3

    sparek-3 Well-Known Member

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    The /home/virtfs consists of bind mounts. It's not actually taking up disk space, but will show up as used disk space when you use du. Don't delete or mess with the /home/virtfs directory, doing so will severely damage your server.

    Your backups are probably in /backup although I cannot be certain. Your drive is partitioned in such a way that / is the only partition, and everything is under / except for /mnt/sdb which has /dev/sdb mounted.
     
    #3 sparek-3, Nov 16, 2017
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  4. toffe

    toffe Active Member

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    Thank you for your answer. I have no idea what is eating up the diskspace. When I look in the cpanel itemjungle is just 8.57gb not 18gb when I look in virtfs. Same goes with the user nordcart
     
    #4 toffe, Nov 16, 2017
  5. sparek-3

    sparek-3 Well-Known Member

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    Just ignore /home/virtfs

    The screenshot you have shows /home/itemjungle using 8.3GB that lines up pretty close to the 8.57GB you are saying shows up in itemjungle's cPanel (I would suspect that you ran another du -shc /home/itemjungle it would show 8.6GB)
     
    #5 sparek-3, Nov 16, 2017
  6. toffe

    toffe Active Member

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    If I add them together I come nowhere near 37gb. I´m adding a screenshot of "/" size
     

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    #6 toffe, Nov 16, 2017
  7. cPWilliamL

    cPWilliamL cP Technical Analyst II
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    Are you excluding virtfs? For example
    Code:
    du --exclude=/home/virtfs -sh /home/
    As sparek pointed out, you should simply ignore the virtfs directory; it's a virtual filesystem used for jail shell. As it is a bind mount deleting contents in virtfs will delete your actual data. The documentation below may also be helpful:
    VirtFS - Jailed Shell - Documentation - cPanel Documentation
     
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    #7 cPWilliamL, Nov 16, 2017
  8. sparek-3

    sparek-3 Well-Known Member

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    du -shc /home is adding up /home and including /home/virtfs

    But /home/virtfs is a bind mount. It's not really taking up disk space. It's mirroring files that already exist on the file system. But du is not able to differentiate this - and it's not suppose to.

    If you REALLY want to know how much disk space is being used in /home then run

    du -shc /home

    Then run

    du -shc /home/virtfs

    Take the total from the du -shc /home command and subtract the total from du -shc /home/virtfs

    Bottom line: you just have to ignore /home/virtfs

    Edit: @cPWilliamL's command is probably better.
     
    #8 sparek-3, Nov 16, 2017
  9. toffe

    toffe Active Member

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    Hi, this does still not add up to 33gb. If nordcart is 1gb, itemjungle 8.3gb and whm&cpanel 5gb? Where is the rest. I´m currently out of disk space
     
    #9 toffe, Nov 21, 2017
  10. cPanelMichael

    cPanelMichael Forums Analyst
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    Hello,

    The following document offers some helpful commands to use to determine where the space is coming from:

    How to Manage your Hard Drive Space - cPanel Knowledge Base - cPanel Documentation

    Also, is this a VPS? If so, check with your VPS provider to make sure it's not the hardware node itself that's limited on space.

    Thank you.
     
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    #10 cPanelMichael, Nov 21, 2017
  11. sparek-3

    sparek-3 Well-Known Member

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    What does

    du -shc --exclude=/home/virtfs --exclude=/mnt/sdb --exclude=/proc /*

    show?

    You may need to invest in a server administrator to look into this for you.

    You will have to systematically go through the directories on your server to find the largest ones and narrowing that down through each iteration.
     
    #11 sparek-3, Nov 21, 2017
  12. toffe

    toffe Active Member

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    Hi that command gives me:
    du -shc --exclude=/home/virtfs --exclude=/mnt/sdb --exclude=/proc /*
    12K /aquota.user
    7.4M /bin
    174M /boot
    4.0K /cgroup
    164K /dev
    33M /etc
    11G /home
    658M /lib
    27M /lib64
    16K /lost+found
    4.0K /media
    8.0K /mnt
    142M /opt
    4.0K /razor-agent.log
    21M /root
    8.0K /run
    16M /sbin
    0 /scripts
    4.0K /selinux
    4.0K /srv
    0 /sys
    932K /tmp
    6.3G /usr
    2.6G /var
    21G total

    There is now 33gb used of 50gb on the disk. (screenshot attached)
     

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    #12 toffe, Nov 25, 2017
  13. cPanelMichael

    cPanelMichael Forums Analyst
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    Hello,

    Were you able to check with your VPS provider to make sure it's not the hardware node itself that's limited on space (per my last response)?

    Thank you.
     
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    #13 cPanelMichael, Nov 27, 2017
  14. toffe

    toffe Active Member

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    I think I found the solution. For some reason my additional disk gets unmounted now and then (mnt/sdb) which contains my backupfiles. When the additional disk gets unmounted, backups are still saved to mnt/sdb, but will then be on the main disk.

    When I mount the disk again these files in mnt/sdb on the main disk, will be hidden
     
    #14 toffe, Nov 29, 2017
  15. cPanelMichael

    cPanelMichael Forums Analyst
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    Hello,

    In "WHM >> Backup Configuration", this is controllable with the following option:

    Mount Backup Drive as Needed

    Thank you.
     
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    #15 cPanelMichael, Nov 29, 2017
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