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MetaLAN speed limitation

COW Forums : metaSAN

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Shawn LarkinMetaLAN speed limitation
by on May 30, 2012 at 4:34:00 pm

I have spoken with the guys at Small Tree about the limitations of 10GbE, Ethernet, and AFP for shared storage on a Mac-centric network. I believe they said you max out AFP at around 230 MB/s.

Is there a cap to I/O if we were running MetaLAN and 10GbE? We would want to be serving from super fast storage over a 10GbE Switch.

Have you benchmarked this kind of NAS setup before?


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Bernard LamborelleRe: MetaLAN speed limitation
by on Jun 8, 2012 at 3:48:54 pm

Hi Shawn,

AFP is well optimized and usually offers pretty decent performances. From a single metaLAN Server to metaLAN clients, I would therefore expect marginal differences (a cluster of 2 or 3 servers would be different!). Still, metaLAN will provide block-level connection and the ability to throttle the individual clients (in addition to giving you access to the ProjectStore and cluStore functionality).

Using a Windows server, metaLAN performance to Mac clients would be significantly better using metaLAN than SMB...

I've asked the guys to run some tests and I will share when I have them...

Bernard


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Shawn LarkinRe: MetaLAN speed limitation
by on Jun 8, 2012 at 11:02:46 pm

Thanks Bernard. I'm really curious to know if we can go faster than AFP if we're serving out a single client over a 10GbE Switch from fast storage.


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McKay JohnsonRe: MetaLAN speed limitation
by on Apr 12, 2013 at 2:42:25 am

Reviving old thread to see if anybody has any new numbers.

On our 10g metalan setup we're getting about 300MB/s from a mac server to a mac client but closer to 500MB/s going from windows server to mac client.

Is this normal? Why would it be so much slower mac to mac? iperf shows bandwidth near line speed.


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