UUID and devices

[Jonas Norlander]

2009/2/6 Willy Hamra <w.hamra1987 at gmail.com>:
> 2009/2/6 Willy Hamra <w.hamra1987 at gmail.com>:
>> hi ,
>> i tend to use devices in their /dev/sdxy format more than i use UUIDs
>> since it's a lot simpler to memorize, and for other reasons.
>> but, on many occasions i'd temprarily add another hard drive,
>> temprarily remove one of the hard drives,and this messes up stuff.
>> for example, linux is on /dev/sdb now, if i take out my windows drive
>> (/dev/sda), sdb becomes sda, and this confuses stuff up.
>> so my question, is there anyway i can attach /dev stuff with a certain
>> UUID? let the system know that *this* UUID is *always* called sdb1 for
>> example, can i do such thing?
>>
>
> a possible answer for my self. the links in /dev/disk, are they
> created after each boot? if so, then i can be sure that links in
> /dev/disk/by-id ALWAYS point to the correct device, right? if that's
> the case, can one use these links in fstab?
>

I don't think you can asume that all entries in /dev/disk/by-id/ would
be uniq, what if you have two similar drives? I must be better to use
/dev/disk/by-uuid/ in that case.

/ Jonas