Re: mdadm usage

[Nicholas Geovanis <nickgeovanis@gmail.com>]

On Wed, Dec 30, 2020, 8:03 AM Nicholas Geovanis <nickgeovanis@gmail.com> wrote:

On Wed, Dec 30, 2020, 7:39 AM Jesper Dybdal <jd-debian-user@dybdal.dk> wrote:

I would hope that the most recently modified half of the array would be
the one to overwrite the least recently modified one, so that a
temporary absence of one disk which later comes back unmodified, will
not destroy data.

Is that how it works?

.....

....the failed drive is simply removed and destroyed, then replaced with a brand new drive and re-mirrored. If you have hundreds or thousands of servers, weelll..... there's another good argument for virtualisation. Said your boss :-)

And also an argument in favor of using only SSD, now that we're past the first couple generations of it which were quite unreliable.

--
Jesper Dybdal
https://www.dybdal.dk