[CentOS] Dangerous Software Raid instructions on Wiki

Robert Heller heller at deepsoft.com
Wed Aug 12 16:30:51 UTC 2009

At Wed, 12 Aug 2009 22:41:10 +0800 CentOS mailing list <centos at centos.org> wrote:

> http://wiki.centos.org/HowTos/SoftwareRAIDonCentOS5
> has:
> dd if=/dev/zero of=/dev/sda bs=512 count=64
> dd if=/dev/zero of=/dev/sdb bs=512 count=64
> Will the joker who put in this particular gem without any warnings or a 
> clear explanation for those who need a clueby4 with regards to file 
> systems please either remove the instructions or add a very clear 
> warning that damage to file systems that is not recoverable will result 
> if run on the wrong disk(s).
> 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 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.

Yes indeed!  Do we need an article titled "dd considered dangerious"?

> Christopher
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Robert Heller             -- 978-544-6933
Deepwoods Software        -- Download the Model Railroad System
http://www.deepsoft.com/  -- Binaries for Linux and MS-Windows
heller at deepsoft.com       -- http://www.deepsoft.com/ModelRailroadSystem/

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