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No space left on device

Posted by: admin November 30, 2017 Leave a comment


When i tried to scp some files to a centos machine, I am getting the error “No space left on device”

I tried

[[email protected]]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup00-LogVol01 18G   18G     0 100% /

And when I do

du -sh / -> it gives only 5G

[... ~]$ df -i /
Filesystem            Inodes   IUsed   IFree IUse% Mounted on
                     4685824  209516 4476308    5% /

seems like file system is full.
How can i find which one is taking these much size?


Such difference between the output of du -sh and df -h may happen if some large file has been deleted, but is still opened by some process. Check with the command lsof | grep deleted to see which processes have opened descriptors to deleted files. You can restart the process and the space will be freed.


Maybe you are out of inodes. Try df -i

                     2591792  136322 2455470    6% /home
/dev/sdb1            1887488 1887488       0  100% /data

Disk used 6% but inode table full.


To list processes holding deleted files a linux system which has no lsof, here’s my trick:

    pushd /proc ; for i in [1-9]* ; do ls -l $i/fd | grep "(deleted)" && (echo -n "used by: " ; ps -p $i | grep -v PID ; echo ) ; done ; popd


You can execute the following commands

lsof / |grep deleted

kill the process id’s, which free up the disk space.

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