LVM resize sanity check

[brian]

Robert Locke wrote:
> On Wed, 2008-10-22 at 09:09 -0700, Craig White wrote:
>>
>> ---- I don't know about alarm bells but I would think that you
>> would have to 'lvmove' LogVol04 to make contiguous space for
>> LogVol03
>> 
>> frequent usage of things like lvdisplay can give you some good
>> clues on where things are
> 
> That was supposed to be the point of LVM.  No moving necessary.  They
>  are both on the Volume Group, space doesn't have to be contiguous,
> etc, etc....

That's what I thought.

> I would suggest that when reducing you should use the "same numbers"
> for both resize2fs and lvreduce.  Don't use an absolute number for
> one and a relative number for the other.

That seems like good advice.

> As an alternative, that might be easier, why not install 
> "system-config-lvm"?  It presents a graphical view of shrinking and 
> enlarging.....

Thanks, I'll check that out.