Re: Actual effect of mkfs.btrfs -m raid10 </dev/sdX> ... -d raid10 </dev/sdX> ...

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Hugo Mills posted on Wed, 20 Nov 2013 08:09:58 +0000 as excerpted:

> RAID-0:  min 2 devices
> RAID-10: min 4 devices
> RAID-5:  min 2 devices (I think)
> RAID-6:  min 3 devices (I think)

RAID-5 should be 3-device minimum (each stripe consisting of two data 
segments and one parity segment, each on a different device).

And RAID-6 similarly four devices (two data and two parity).

Perhaps it's time I get that wiki account and edit some of this stuff 
myself...

-- 
Duncan - List replies preferred.   No HTML msgs.
"Every nonfree program has a lord, a master --
and if you use the program, he is your master."  Richard Stallman

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