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References: <alpine.BSF.2.00.1203181934540.65171@woozle.rinet.ru><DF1AA664FAF24CE3BE38746A6F852BE4@multiplay.co.uk><alpine.BSF.2.00.1203182057380.65171@woozle.rinet.ru><4EB522A5E2744235B0680BAF97F81862@multiplay.co.uk>
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On 18/03/2012 22:48, Steven Hartland wrote:
>=20
> ----- Original Message ----- From: "Dmitry Morozovsky" <marck@rinet.ru>=


>> the simplest: dd if=3D/dev/ada0 of=3D/dev/null bs=3D1m count=3D16k (li=
near
>> read 16g at the beginning of disk)

>>> What value do you have for sysctl vfs.read_max?
>>
>> default for both cases, 8
>=20
> Try 32 that's what we have here set here.

vfs.read_max will only affect file system reads, not raw device reads.



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