> -----Original Message----- > From: centos-bounces at centos.org > [mailto:centos-bounces at centos.org] On Behalf Of Alan Hodgson > Sent: Wednesday, August 12, 2009 12:21 > To: CentOS mailing list > Subject: Re: [CentOS] Dangerous Software Raid instructions on Wiki > > On Wednesday 12 August 2009, Ray Van Dolson > <rayvd at bludgeon.org> 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. -- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- - - - Jason Pyeron PD Inc. http://www.pdinc.us - - Principal Consultant 10 West 24th Street #100 - - +1 (443) 269-1555 x333 Baltimore, Maryland 21218 - - - -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- This message is copyright PD Inc, subject to license 20080407P00.