Re: Which device assigned to removable media

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On Tue, 04 May 2010 16:26:42 +0200, Jerry Feldman <gaf@xxxxxxx> wrote:

> On 05/03/2010 06:28 PM, g wrote:
>> Geoffrey Leach wrote:
>> <snip>
>>
>>
>>> My original post was somewhat unclear. The question was which device is
>>> assigned to the disk when it's plugged in so I can know which device to
>>> mount.
>>>
>>> It appears that if I look at /dev/disk/by-label, the device name --
>>> Sansa\x20e250 for example, is a symbolic link to the device -- ../../
>>> sdb1 for example. I can then mount /dev/sdb1.
>>>
>> so what happens when you use commands 'df' or 'mount'?
>>
>> i do not have an eSATA drive to check with, but i do know that when plug
>> in a usb memory stick, i get following.
>>
>> +++
>> $ mount|grep /dev|sort
>> /dev/hda1 on / type ext3 (rw)
>> /dev/hda3 on /home type ext3 (rw)
>> /dev/hdb6 on /hd/b/06 type ext3 (rw)
>> devpts on /dev/pts type devpts (rw,gid=5,mode=620)
>> /dev/sde on /media/disk type vfat
>> (rw,noexec,nosuid,nodev,noatime,uid=500,utf8,shortname=lower)
>> tmpfs on /dev/shm type tmpfs (rw)
>>
>> $ df|sort
>> /dev/hda1              8076508   3842888   3816736  51% /
>> /dev/hda3             10721904   6261968   3906500  62% /home
>> /dev/hdb6              4814936    140776   4429572   4% /hd/b/06
>> /dev/sde                254218      3208    251010   2% /media/disk
>> Filesystem           1K-blocks      Used Available Use% Mounted on
>> tmpfs                   192676         0    192676   0% /dev/shm
>> +++
>>
>>
>> therefore, i tend to presume that if you set up your eSATA drive in
>> '/etc/fstab' for auto mount and connected it, then 'mount' and 'df'
>> should show you your eSATA drive.
>>
>> as i said, i do not have a eSATA to try and i may be wrong.
>>
>> [and yes, i am not currently under f12. having too many problems with
>> kde at this time.]
>>
>>
> As Geoff said previously, if you use /dev/disk/by-label in fstab, then
> it does not matter where the disk is inserted in relation to the other
> drives. Since eSata drives may be hot pluggable, this is the best option
> as the physical device (/dev/sdx) may change. Additionally, the newer
> Linux releases now use the SCSI designation, even for IDE drives so you
> should not see and /dev/hdx designations any longer.
>
I you plug in a new device why don't you do:
dmesg |tail


-- 

Roland Brouwers






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