Why are spaces removed from the disk serial number?

[Phillip Susi]

It has been two months, Heinz, have you caught up from your vacation 
yet?  Is there a reason for the whitespace to be stripped from the disk 
serial number, or can we remove that?

Cetnerowski, Adam wrote:
> Cetnerowski, Adam wrote:
>> The serial number for sdb does look fishy and it could be interacting
>> strangely with the library isspace() function used to strip out the
>> whitespace (if some of the strange characters are control characters).
>> This may be the reason why the raid set is recognized under Windows.
> 
> The question is, should the whitespace even be stripped?  If the disk 
> has a space in its serial number, then shouldn't it be recorded in the 
> metadata with the space?  If the space is supposed to be stripped then I
> 
> can see the isspace() behaving incorrectly on control characters, but it
> 
> seems to me that if the disk reports a space, the metadata should have a
> 
> space in it as well.
> 
> We will need a reply from Heinz on this.