[CentOS] Bond Issues

aurfalien at gmail.com aurfalien at gmail.com
Tue Oct 6 22:51:40 UTC 2009


Dude, were do you work to sustain or even need such crazy I/O?

Mebbe like a hosting service?

I mean I didn't see a Digital Domain or ILM sig on your email :)

- Brian


On Oct 6, 2009, at 2:37 PM, nate wrote:

> aurfalien at gmail.com wrote:
>> You mind running Bonnie on your Exanet?
>>
>> We can compare charts, Exanet vs Bluearc,
>>
>> Lemme know so I can start preparing the test.
>
> Our system is slammed almost 24/7(our disks are sustaining
> 60ms service times for writes, though front end write response
> times is around 2-3ms) so I can't get accurate numbers for
> you. From a blog entry of mine:
> http://www.techopsguys.com/2009/08/04/123/
>
> I can send you (off-list) some basic iozone numbers
> I took in the early days of testing, I didn't have the
> best settings at the time so a lot of is is from cache,
> not from disk. I plan to add another 100 disks early next
> year and re-stripe all of the data that should dramatically
> improve performance.
>
> "better" results are probably gotten from SpecSFS numbers
> at least you can get something decent to compare with
> though BlueArc hasn't posted numbers with the new version
> yet:
> http://www.spec.org/sfs2008/results/
>
> As I mentioned in another email I don't think the bottleneck
> is the NAS, it's the disks. Given the load we see today I
> could double the spindle count to 400 disks(SATA-II) and
> still not max out a two node Exanet cluster.
>
> nate
>
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