> -----Original Message-----
> From: centos-bounces@xxxxxxxxxx
> [mailto:centos-bounces@xxxxxxxxxx] On Behalf Of Alan Hodgson
> Sent: Wednesday, August 12, 2009 12:21
> To: CentOS mailing list
> Subject: Re: Dangerous Software Raid instructions on Wiki
>
> On Wednesday 12 August 2009, Ray Van Dolson
> <rayvd@xxxxxxxxxxxx> wrote:
> > > My successor at my previous job has gleefully followed those
> > > instructions (he seriously needs a clueby4 which is why
> he bothers
> > > to actually read HowTos) and on a production box (who
> wants pop-corn
> > > and soda? Sorry, the er support conversation will not be
> on irc) and
> > > I think this seriously highlights the need for HowTo writers to
> > > seriously consider their audience as dumb monkeys that
> just follow
Confusing sarcasm aside, there is value to not having high damage command able
to be so easy to copy, paste, destroy.
How about /dev/sdX /dev/sdY and call it a day.
> > > whatever you tell them to do without thinking if you do
> not list out
> > > things they first have to think about or questions they
> first need to answer.
>
> I think this seriously highlights the need to hire competent
> system administrators.
>
> The reason you want to wipe the beginning of the drive is
> that some fake-raid controllers write crap to the drive and
> if you leave it there some linux installers (anaconda, at
> least) will install dm-raid using that info rather than setup
> md raid using normal linux conventions. Which is exactly what
> that section of the instruction says. My kickstart scripts do
> the same thing and for the same reason.
>
> Let me be even more clear - if your successor doesn't know
> what dd does, or what drives correspond to /dev/sda and
> /dev/sdb in the box he's working on, he has no business being
> within 10 feet of a production server without careful supervision.
within 10 feet of a production server WITH OR without careful supervision.
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