Dsik usage error

[david walcroft]

On 01/14/2010 09:20 AM, Sam Sharpe wrote:
> 2010/1/13 William John Murray<bill.murray at stfc.ac.uk>:
>>
>>   Hello all,
>>          Can anyone help me with a disk usage problem? I have a disk
>> partition of 65GB in LVM; df says:
>>
>> /dev/dm-0             65570580  60494828   1744888  98% /
>>
>> However, if I use either du or Baobab they reckon the directories in it
>> add up to 30Gb or so. As it is my root directory, and there are various
>> others it is a little difficult to get the total, so I booted under
>> liveUSB and saw exactly the same - 30Gb used.
>>    So something is stealing half my disk. If I try to write more it is
>> out of space.
>>    Any ideas how I get my space back? fsck reports the disk is clean.
>
> I often find that it's files which are deleted, that are still held
> open. e.g. rotated logs where the owning process has not been
> reloaded.
>
> Try:
>
> lsof | grep deleted
>
> That should show up and deleted files still open.
>
> --
> Sam

Can you delete these files and If so,how

david