[mythtv-users] Why RAID 5 stops working in 2009

[jedi]

On Tue, Oct 28, 2008 at 12:57:00PM -0400, Magnus wrote:
> jedi wrote:
> >     That's pretty much what I was thinking. I don't need the speed benefits
> > of striping. I just want robust storage and a means to make it all appear
> > as a single filesystem. Although I'm still not sure about cutting my effective
> > storage space in half.
> 
> 
> Back when 1GB was $400 I could understand your hesitation.
> 
> Today, a 1TB SLED costs about US$125.  So for US$250 you get a 1TB RAID1.
> 
> The typical excuse for RAID5 is gone, and the technical arguments
> against it are becoming more and more valid.

     Nope, it's the same problem. The scale is just larger. If you 
happened to be interested in very large files, then the same old 
problems of economics rear their ugly heads. Requirements didn't
all stand still as disks were getting larger. This is true all 
around.