On 07/02/17 17:30, Jaeseok Park wrote:
> 2017-02-08 1:04 GMT+09:00 Pádraig Brady <P@draigbrady.com <mailto:P@draigbrady.com>>:
>
>     On 07/02/17 05:11, Jaeseok Park wrote:
>     > Dear Pádraig
>     >
>     > Thank you for your reply.
>     >
>     > 1. Maybe its volume name seems to be encoded by UTF-8. I formatted my USB storage on OSX.
>     >
>     > 2. My $LC_ALL is empty and $LANG is "ko_KR.UTF-8".
>     >
>     > 3. The result of gls is as below:
>     >
>     > BEAGLEBONE
>     > boot.tar
>     > ext
>     > ssd
>     > ''$'\341\204\206\341\205\256\341\204\214\341\205\246'
>
>     Ah right that's the decomposed form.
>     HFS must use that for normalization of file names.
>     Using that I can reproduce your issue with an incorrect locale:
>
>     # LC_ALL=ko_KR df -h
>     Filesystem      Size  Used Avail Use% Mounted on
>     /dev/sda1       100M  120K  100M   1% /root/�??�?��??�?�
>     # LC_ALL=ko_KR.UTF-8 df -h
>     Filesystem      Size  Used Avail Use% Mounted on
>     /dev/sda1       100M  120K  100M   1% /root/무제
>
>
>     I.E. It looks like you have the wrong locale settings for the df command.
>     Please try setting LC_ALL as above, or otherwise setting UTF-8.

> I tried to execute the commands as you guided me, however the result is the same.
>
> Mini:~$ LC_ALL=ko_KR df -h
> Filesystem      Size  Used Avail Use% Mounted on
> /dev/disk0s2    233G  176G   56G  76% /
> /dev/disk1s2    931G  686G  246G  74% /Volumes/ext
> /dev/disk2s1     39M   33M  6.4M  84% /Volumes/BEAGLEBONE
> /dev/disk3s1     15G  2.5M   15G   1% /Volumes/�??�?��??�?�
>
> Mini:~$ LC_ALL=ko_KR.UTF-8 df -h
> Filesystem      Size  Used Avail Use% Mounted on
> /dev/disk0s2    233G  176G   56G  76% /
> /dev/disk1s2    931G  686G  246G  74% /Volumes/ext
> /dev/disk2s1     39M   33M  6.4M  84% /Volumes/BEAGLEBONE
> /dev/disk3s1     15G  2.5M   15G   1% /Volumes/�??�?��??�?�
>
> Mini:~$ gls /Volumes/
> BEAGLEBONE  boot.tar  ext  ssd무제
>
> Did I do wrong something?
>
> Regards,
> Jaeseok
>
>

I don't have access to OSX to try out things,
but I suspect ko_KR.UTF-8 may not be supported on your system?
Can you try instead with LC_ALL=en_US.UTF-8 or LC_ALL=C,
both of which display correctly on Fedora Linux here.

Also what's the output from:

  LC_ALL=ko_KR.UTF-8 locale

If that suggests ko_KR.UTF-8 is supported,
then I'll need to get access to an OSX system to debug.
Perhaps there is some shennanigans with the returned charset on OSX.

thanks,
Pádraig