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Michele Biemmi's questions

Martin Hope
Michele Biemmi
Asked: 2016-01-02 01:24:42 +0800 CST
  • 4

This strange behavior begins a few day ago. This is df of all file system

michele@OptiPlex-360:~$ df
File system    1K-blocchi    Usati Disponib. Uso% Montato su
udev              1974808        8   1974800   1% /dev
tmpfs              397120     1340    395780   1% /run
/dev/sda1        45225008 14448892  28455736  34% /
none                    4        0         4   0% /sys/fs/cgroup
none                 5120        4      5116   1% /run/lock
none              1985596       80   1985516   1% /run/shm
none               102400       68    102332   1% /run/user
/dev/sda6       190822060 65912468 115193268  37% /media/volume1

Now I ask for sda1 and it gives me a wrong answer

michele@OptiPlex-360:~$ df /dev/sda1
File system    1K-blocchi Usati Disponib. Uso% Montato su
udev              1974808     8   1974800   1% /dev

instead sda6 works

michele@OptiPlex-360:~$ df /dev/sda6
File system    1K-blocchi    Usati Disponib. Uso% Montato su
/dev/sda6       190822060 65912468 115193268  37% /media/volume1

Well, what's wrong?

Ah, same issue I have on my other PC with same Ubuntu installed.

Additional output as muru asked for:

michele@OptiPlex-360:~$ mount | grep /dev/sda1
/dev/sda1 on / type ext4 (rw,errors=remount-ro)
michele@OptiPlex-360:~$ df /
File system                                            1K-blocchi    Usati Disponib. Uso% Montato su
/dev/disk/by-uuid/2438603c-1bfd-4e79-9f6c-ad6575988aee   45225008 14448908  28455720  34% /
df