[CentOS] forcing device to USB HDD

Sun Oct 28 20:18:35 UTC 2007
Clint Dilks <clintd at scms.waikato.ac.nz>

John R Pierce wrote:
> Paul wrote:
>> On Sat, 2007-10-27 at 12:27 -0400, Bobby wrote:
>>> On Saturday 27 October 2007 12:20:31 Israel Garcia wrote:
>>>> Hi, I bought an USB external hdd (500GB) to make my
>>>> backups using dump... but, sometimes my sever
>>>> recognize the hdd device /dev/sdb or /dev/sdc... my
>>>> question is: How can I assign a fixed device for
>>>> example /dev/sdc to my hdd? remember I use some
>>>> scripts to do my backup and I am getting errors
>>>> because the device changes from sdb to sdc and
>>> I would imagine by manually mounting it
>> Ummm no, that is the problem I imagine, the device changes so it can't
>> be mounted in his script.
>> I can't think of a solution right off hand.
> I suppose you could put a label on the drive (with tune2fs), then 
> mount it by LABEL=xxxx...  I dunno what else to suggest.

Another option could be to create a custom UDEV rule for the device

> linux's crappy way of handling disk device names is one of my bigger 
> gripes about it.     its really messy in a SAN environment where 
> there's several storage controllers.   /dev/sdf could be almost 
> -anything-.    I prefer the c1t1d1 notation of traditional Unix 
> systems like Solaris, although there still can be issues identifying 
> the channel #s
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