Re: strange partitioning problem

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On 04/24/2012 03:20 AM, John R Pierce wrote:
> On 04/23/12 5:33 PM, Boris Epstein wrote:
>> Thanks! The controller I've got (I believe it is a 3Ware 9000 series) - I
>> think that controller does not allow you to create hardware slices on top
>> of a RAID'ed disk (volume). But that is a good idea in general. I used that
>> approach on a couple of HP Proliant servers and that worked.
> 
> really?  I've never run into ANY sort of hardware raid that had any such 
> restrictions.  I've not used the 3ware stuff, but I've used lots of LSI 
> Logic raid (9260-8i, etc), HP SmartArray stuff (p410, etc), Dell PERC 
> stuff, etc etc.
> 
> anyways, I'm dealing with a pair of single 3TB (2.78 TiB) drives in a 
> mdraid mirror here as the system disk.
> 
> 
> On 04/23/12 4:56 PM, Dennis Jacobfeuerborn wrote:
>> You could use LVM. Just create 2TB partitions and use them as physical
>> volumes for a large volume group. Then just create one big logical volume
>> from that volume group.
> 
> 
> um, LVM can't see over 2TB of the drive either, unless its formatted 
> GPT, whereupon it can't be used as a boot device on a non-EFI system.

The idea is to create multiple 2TB partitions.

In one specific case I set up a 4TB System by creating a 1G boot volume and
3.99T system volume. Then I created two 2T partitions on the system volume,
formatted them as physical volumes and added them to the main volume group.
Then you can create a 4T logical volume if you like.

Regards,
  Dennis
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