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ONTAP 7.2.5.1 Simulator & Slow writes

jvcherney
‎2009-09-25 12:37 PM
10,130 Views

Anyone else seeing slow write speeds when using the netapp simulator??

 

I get the expected 100Mbit read speads... but it seems like its crawing along at 10Mbit when writing...

 

This is for NFS writes... Machines are on the same network.

 

Any thought Ideas would be great.

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dan_keating
‎2010-06-18 03:32 AM
In response to jvcherney
9,469 Views

If you run sysstat -x 1 on the sim as you're writing data to it - what's happening with the CP types? back to back and deferred back to backs perhaps? (man sysstat for cp type info)

The simulator has a pitiful simulated nvram (circa 2MB I seem to remember) that get's flooded almost immediately - so it's probably constantly backing of write requests.

I could do with a bit more oomph tbh.

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