File system bafflement

[Paul B]

Sorry nevermind for some reason my email did not display all the replies.


On Tue, Sep 2, 2014 at 11:54 AM, Paul B <witchbutter at gmail.com> wrote:

> What is the output of:
> df -h
> cat /etc/fstab
> cat /dev/disk/by-id
>
>
>
> On Tue, Sep 2, 2014 at 3:12 AM, R Kimber <richardkimber at btinternet.com>
> wrote:
>
>> I'm at a loss to understand what's going on on my system.  I keep getting
>> messages that the root filesystem is full.  Since the entire system is
>> contained in / I'm not clear what this means.  Does it just refer to the
>> top directory level, or does it include subdirectories apart from those
>> with their own partitions, or does it refer to the whole lot?
>>
>> The disk usage analyser also claims that /media contains 2.4 TB and is is
>> "96% full", but /media surely is only the mountpoint for other disks.
>> There
>> are, inter alia, two 2TB disks mounted there. The disk usage analyzer says
>> they are 49.9% used, while df says they are 66% used.
>>
>> The system is also a bit slow, though there's plenty of swap space
>> available.
>>
>> Yesterday I cleared the apt cache, and the wastebin, and removed some
>> kernels, and reduced / usage to about 84%, but today it's full again. It's
>> hard to see where the problem lies since I've not done anything that
>> involves the / partition that I'm aware of.  Though I noticed that an
>> external USB disk had disk errors, which e2fsck corrected (Free blocks
>> count wrong - maybe the disk is failing) - does this have anything to do
>> with it?
>>
>> All the following have their own separate partitions:
>> /usr, /var, /tmp, /home, /usr/local
>> and df reports that they are all less than 50% full
>>
>> The size of the root partition is 4GB, and the top level directories that
>> do not have their own partitions amount to just over 1GB
>>
>> My system has 4GB of memory and is running 14.04 (3.13.0-35-generic) that
>> was upgraded from 12.04LTS.  I'm using the mate desktop.
>>
>> I'd appreciate suggestions as to what the problem might be.
>>
>> - Richard.
>> --
>> Richard Kimber
>>
>>
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>
>
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