[Gllug] Recommendations for servers

[Nix]

On 24 Nov 2010, Rich Walker told this:

> On 2010-11-24 19:40, Martin A. Brooks wrote:
>> On Wed, November 24, 2010 17:12, Iain Gray wrote:
>>>  * Dual (raid 5) disk (can be sw raid)
>> 
>> You can't do useful RAID5 on two disks.
>
> On disk 0, store the data. On disk 1, store the parity of the data.
> Which happens to be the data.
>
> Looks just like RAID-1 but you should be able to grow it into 3 disks later?

md can grow RAID-1 to RAID-5 anyway, so they're completely identical.
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