[ldm-users] raid / Re: Fedora 7 redux: BUSTED!

[Gilbert Sebenste]

On Tue, 16 Oct 2007, Rob Cermak wrote:

> RAID 1?  I like Gerry's idea of moving from RAID 5 to 6.

> We had a 750GB disk die.  The volume affected went in to degraded mode.
> We swapped the disk out and the volume regenerated automatically.  Took
> 4.5 hours, but it regenerated.  During this 4.5 hour rebuild, two things
> can happen:  (1) you can lose another disk and your whole volume is
> toast, (2) find out the new disk you swapped in is bad.  Anyway, this
> whole proceedure did not require any downtime.  The OS (Mandriva 2007)
> didn't notice a thing.  Granted I/O was a bit slower during the degraded
> period and rebuild.

Still, I can accomplish the same (pretty much) and within budget with
RAID 1. If I lose a disk, I can still replace it with no downtime. That's 
the most important thing I need. And within my budget.

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Gilbert Sebenste                                                     ********
(My opinions only!)                                                  ******
Staff Meteorologist, Northern Illinois University                      ****
E-mail: sebenste at weather.admin.niu.edu                                  ***
web: http://weather.admin.niu.edu                                      **
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