[linux-lvm] Re: partition strategy

[Arshavir Grigorian]

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