Re: Filesystem writes on RAID5 too slow

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On Tue, 19 Nov 2013 00:41:40 +0600
Roman Mamedov <rm@xxxxxxxxxxx> wrote:

> > The command line for measuring filesystem read and write speeds was:
> > 
> > $ dd if=/tmp/diskmnt/filerd.zero of=/dev/null bs=1M count=1000 iflag=direct
> > $ dd if=/dev/zero of=/tmp/diskmnt/filewr.zero bs=1M count=1000 oflag=direct
> 
> Try testing with "fdatasync" instead of "direct" here.

Sorry, "conv=fdatasync" instead of "oflag=direct".

-- 
With respect,
Roman

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