Why are spaces removed from the disk serial number?

Heinz Mauelshagen heinzm at redhat.com
Wed Sep 10 12:36:25 UTC 2008

Am Freitag, den 05.09.2008, 15:18 -0400 schrieb 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?

I haven't been able to look to run regressions with all metadata samples
yet because of other duties. If Intel doesn't see an issue with keeping
the white space, fine with me.


> 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.
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