Re: [linux-lvm] Re: partition strategy

[Arshavir Grigorian <ag m-cam com>]

Alasdair G Kergon wrote:

> > > > > Is it better to create 3 partitions 2 x230G + 1G 
> > > > > Is it better to create 2 paritions 230G and 231G, put both in a vg, 
> > > > >          
>
>  
>
> > > ie the first option.  
> > >      
> I meant the second option:-)
>
>  
>
> > Could you, please tell me what I am doing wrong? TIA.
> >    
>
>  
>
> > casals:~# lvextend -l +134 /dev/vg00/lvol0 /dev/hdc3
> > Using stripesize of last segment 8KB
> > Insufficient allocatable extents suitable for parallel use for logical 
> > volume lvol0: 118816 required
> >    
>
> If you don't specify the stripe settings, lvextend uses whatever
> the last segment of the LV you're extending uses i.e. 2 stripes in 
> this case.  So you need to specify -i1 to add a new segment with
> just one stripe.
>
> Alasdair
>  
Many thanks. It all makes sense now.
The way I got it working is just creating 2 partititions, getting the 
number of extends from the smaller partition, creating a striped lv with 
that paritition count, then extending it to the remaining the extents as 
with a single stripe.


Arshavir