Re: [NBD] patch and documentation

[Paul Clements]

Sven Köhler wrote:
 
> Well, i guess the cache uses a value of 256 sectors to do read-ahead and
> such.

Well it sounds like the real problem here is the vm_max_readahead
setting then. Try this:

cat /proc/sys/vm/max-readahead

Probably, it's set to 31 on your system.

Try something like the following:

echo "126" > /proc/sys/vm/max-readahead

I think that should help out.

--
Paul
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