Re: io performance...

[Jeff V. Merkey]

Max Waterman wrote:

> One further question. I get these messages 'in' dmesg :
>
> sda: asking for cache data failed
> sda: assuming drive cache: write through
>
> How can I force it to be 'write back'?



Forcing write back is a very bad idea unless you have a battery backed 
up RAID controller.   

Jeff

> Max.
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