Re: recommending RAID6 over RAID5 when doing mdadm --create

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On Mon, 11 Nov 2013 02:56:37 -0600 Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx>
wrote:

> On 11/11/2013 1:44 AM, Mikael Abrahamsson wrote:
> 
> > I believe this has been discussed before, but I would like to bring it
> > up again.
> > 
> > I would like to see mdadm recommend RAID6 over RAID6 when using
> > component drives that are 500GB or larger and ask if the user is really
> > sure about using RAID5, plus a pointer to a webpage on the wiki
> > informing the user about the trouble with RAID5 on large volumes with
> > consumer or prosumer drives.
> > 
> > I am willing to contribute text to the webpage being pointed to.
> 
> Wikis change to regularly, too easily.  Networks can be down at times,
> often the worst times.  See Murphy's Law.
> 
> It would be better to put this information in mdadm(8) and refer the
> user there.
> 

.. or in md(4) maybe.

If anyone wants to run with this and send me a patch (for code and
documentation) I would be very likely to apply it.

NeilBrown

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