Re: 答复:md raid5 performace 6x SSD RAID5

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On Wed, 27 Nov 2013 22:41:49 -0600
Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx> wrote:

> > when the stripe_cache_size is set 4096. 
...
> 2.  A 4KB stripe cache is too small for 6 SSDs, try 8KB

The stripe cache size setting is specified not in KB, but in pages per disk,
so a value of 4096 on x86 systems means 4096*4096*6 = 96 MB of cache for the
whole array.

-- 
With respect,
Roman

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