Re: Intel X25-M MLC SSD benchmarks

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On 12/12/08, Matthew Wilcox <matthew@xxxxxx> wrote:
> On Fri, Dec 12, 2008 at 07:25:18AM -0700, Eric D. Mudama wrote:
>> Oops, I guess I assumed that by writing a few gigabytes of data it
>> wouldn't matter that much.  I'll run the test again in a bit once I'm
>> off this solaris machine.
>
> You need to rescale for 2008; people often have 4GB or more RAM in their
> machines ... hell, I have one machine here from 2002 with 14GB in it
> (I don't power it up very often because it's too noisy).  The test was
> only writing 1GB of data, which would fit in the page cache of my laptop,
> never mind the kind of machine that's likely to have an 8-way array
> attached to it.

I just retested on a linux box at work, and got 79 MB/s on both the
X18-M and X25-M, and 197MB/s on an X25-E.  All were done with bs=1M
count=1000 oflag=direct.

--eric
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