Re: change strip_cache_size freeze the whole raid

[Steve Cousins <steve.cousins@maine.edu>]

Justin Piszcz wrote:
> Yes, I noticed this bug too, if you change it too many times or change it 
> at the 'wrong' time, it hangs up when you echo numbr > 
> /proc/stripe_cache_size.
> Basically don't run it more than once and don't run it at the 'wrong' time 
> and it works.  Not sure where the bug lies, but yeah I've seen that on 3 
> different machines!
Can you tell us when the "right" time is or maybe what the "wrong" time 
is?  Also, is this kernel specific?  Does it (increasing 
stripe_cache_size) work with RAID6 too?
Thanks,

Steve
--
______________________________________________________________________
 Steve Cousins, Ocean Modeling Group    Email: cousins@umit.maine.edu
 Marine Sciences, 452 Aubert Hall       http://rocky.umeoce.maine.edu
 Univ. of Maine, Orono, ME 04469        Phone: (207) 581-4302


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