[CentOS] CentOS 7 : create RAID arrays manually using mdadm --create ?

[John R Pierce]

On 2/10/2015 6:54 PM, Chris Murphy wrote:
> Why I avoid swap on md raid 1/10 is because of the swap caveats listed
> under man 4 md. Is possible for a page in memory to change between the
> writes to the two md devices such that the mirrors are in fact
> different. The man page only suggests this makes scrub check results
> unreliable, and that such a difference wouldn't be read (?) But I
> don't understand this. So I just avoid it because I haven't thoroughly
> tested it.

if its possible for that to happen, then the whole swapping AND mdraid 
mechanisms in linux are badly broken.



-- 
john r pierce                                      37N 122W
somewhere on the middle of the left coast