Re: RAID-10 near vs. RAID-1

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On Thu Jun 13, 2024 at 07:38:34AM +0200, Reindl Harald wrote:

> 
> 
> Am 13.06.24 um 01:46 schrieb Dragan Milivojević:
> >> stripes are "half of the file on disk 1, the other half on disk 2"
> >> that's not possible with only 2 drives
> > 
> > https://en.wikipedia.org/wiki/Non-standard_RAID_levels#Linux_MD_RAID_10
> 
Far mode would give you striping, but not near mode.

> 
> "The two-drive example is equivalent to RAID 1"
> 
> what else - when you have only two drives
> dunno what magic you expect performance wise
> 
> the only advantage is that you later can add 2 drives and make a real 
> RAID10 out of it
> 

You'll have to rebuild though, as RAID10 does not support changing the
number of devices in an array.

Cheers,
    Robin
-- 
     ___        
    ( ' }     |       Robin Hill        <robin@xxxxxxxxxxxxxxx> |
   / / )      | Little Jim says ....                            |
  // !!       |      "He fallen in de water !!"                 |




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