Re: [PATCH 000 of 5] md: Introduction

[Kyle Moffett]

On Jan 17, 2006, at 06:26, Michael Tokarev wrote:
> This is about code complexity/bloat.  It's already complex enouth.  
> I rely on the stability of the linux softraid subsystem, and want  
> it to be reliable. Adding more features, especially non-trivial  
> ones, does not buy you bugfree raid subsystem, just the opposite:  
> it will have more chances to crash, to eat your data etc, and will  
> be harder in finding/fixing bugs.

What part of: "You will need to enable the experimental  
MD_RAID5_RESHAPE config option for this to work." isn't bvious?  If  
you don't want this feature, either don't turn on  
CONFIG_MD_RAID5_RESHAPE, or don't use the raid5 mdadm reshaping  
command.  This feature might be extremely useful for some people  
(including me on occasion), but I would not trust it even on my  
family's fileserver (let alone a corporate one) until it's been  
through several generations of testing and bugfixing.


Cheers,
Kyle Moffett

--
There is no way to make Linux robust with unreliable memory  
subsystems, sorry.  It would be like trying to make a human more  
robust with an unreliable O2 supply. Memory just has to work.
  -- Andi Kleen


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