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Date: Tue, 26 Apr 2011 17:00:38 -0400
From: JimR <NotReallyMyEmail@example.net>
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Subject: Re: File real location
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On 04/26/2011 03:28 PM, Richard Kettlewell wrote:
> JimR<NotReallyMyEmail@example.net>  writes:
>> Richard Kettlewell wrote:
>
>>> stat() it and look at st_dev.
>>
>> OK, did stat with and without -f.  Got the results below.  The device
>> ID is different in each case.  How do I relate that number back to the
>> filesystem?
>
> You can find it in the 'ls -l' output for the physical device underlying
> the filesystem.  For instance, 806h corresponds to 8, 6 (probably sda6);
> in the example below fe00h = fe, 00 = 254, 0.
>
>    richard@araminta:~/src/rsbackup$ stat /etc/motd | grep Device
>    Device: fe00h/65024d	Inode: 301455      Links: 1
>    richard@araminta:~/src/rsbackup$ mount | grep 'on / '
>    /dev/mapper/araminta-root on / type ext3 (rw,noatime,errors=remount-ro)
>    richard@araminta:~/src/rsbackup$ ls -lL /dev/mapper/araminta-root
>    brw-rw---- 1 root disk 254, 0 Apr  4 18:57 /dev/mapper/araminta-root
>

Perfect, thanks for your help.

JimR