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A.Adverse
Asked: 2018-09-09 02:33:15 +0800 CST

14.04 VNCserver/VirtualBox

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One of these things is making my HD appear full while running. Virtual Box is running 6 msdos boxes, and vnc is only there to serve virtualbox. Over time it persistantly fills the HD to 100% in a roughly 24hr period. Its not the /tmp directory it remains pretty empty.

HELP!!!

this is normal..15% usage, I've just had to restart so I'll post a full hd soon

9.3M    /bin
280K    /home
300M    /lib
16M     /etc
37M     /boot
13M     /sbin
4.0K    /mnt
6.4G    /root
16K     /lost+found
4.0K    /usb
20K     /tmp
4.0K    /opt
2.4G    /usr
928M    /var
4.0K    /srv
10G     /

Its full again... du is having a hard time. I see VirtualBox has filled /root with logs again. 

9.3M    /bin
496K    /home
304M    /lib
16M     /etc
37M     /boot
13M     /sbin
4.0K    /mnt
65G     /root 
16K     /lost+found
4.0K    /usb
20K     /tmp
4.0K    /opt
2.4G    /usr
1.1G    /var
4.0K    /srv
69G     /

I delete all the logs, and they are massive. I get.. 

9.3M    /bin
496K    /home
304M    /lib
16M     /etc
37M     /boot
13M     /sbin
4.0K    /mnt
514M    /root
16K     /lost+found
4.0K    /usb
20K     /tmp
4.0K    /opt
2.4G    /usr
1.1G    /var
4.0K    /srv
4.4G    /

but df says 100% usage still.

/dev/sda1        71960912   71944524          4 100% /
virtualbox hardware tightvncserver

1 Answers

  1. The problem is deleting open files. They remain open at full size until the owning process is restarted. lsof -L1 shows the problem. Restarting the VM's cleared the drivespace.

    A better solution appears to be to truncate the file rather than delete it with

     :>/offending.log

    so its not actually deleted.

    Thanks for your time all

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