Re: [Gelato-technical] Serious performance degradation on a RAID with kernel 2.6.11

From: Andreas Hirstius <Andreas.Hirstius_at_cern.ch>
Date: 2005-04-06 17:34:41
David Mosberger wrote:

>>>>>>On Wed, 06 Apr 2005 09:29:59 +0200, Andreas Hirstius <Andreas.Hirstius@cern.ch> said:
>>>>>>            
>>>>>>
>
>  Andreas> Because of this strange correlation between block size and
>  Andreas> page size and the fact, that I don't see a problem on x86 I
>  Andreas> suspected an ia64-specific problem. My "favourite"
>  Andreas> candidate is the conversion to 4 level pagetables between
>  Andreas> 2.6.10-bk6 and 2.6.10-bk7.
>
>That's certainly a possibility.  But didn't you say the problem also
>occurred when using 4KB page size on ia64?
>
>  
>
Yes, the problem appears at any page size...


Andreas

>	--david
>
>  
>
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Received on Wed Apr 6 03:34:53 2005

This archive was generated by hypermail 2.1.8 : 2005-08-02 09:20:37 EST