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3,833 Views 4 Replies Last post: Mar 3, 2009 10:16 PM by AshitKumar RSS
ravir NetApp Employee Master 197 posts since
Mar 6, 2008
Currently Being Moderated

Mar 9, 2008 11:27 PM

cache-line-size of fcp-adapter-list-info

sthoratsymc

on 12/6/07

      Asked 

 

The ONTAP API fcp-adapter-list-info (with verbose option) returns one field "cache-line-size". What's this ? What is the unit of this size ?

 

AshitKumar Enthusiast 21 posts since
Nov 20, 2008
Currently Being Moderated
Mar 3, 2009 2:14 AM in response to: ravir
Re: cache-line-size of fcp-adapter-list-info

While searching for the info on cache-line-size, i landed up to the correct thread but didnt get the exact answer.

I want to know what's the unit of the cache-line-size? Is it in Gigs or mega?

 

--Ashit

rashmid NetApp Employee Master 68 posts since
Mar 11, 2008
Currently Being Moderated
Mar 3, 2009 5:12 AM in response to: AshitKumar
Re: cache-line-size of fcp-adapter-list-info

Unit of cache-line-size seems to be in bytes. I got this info from a comment line in the code.

 

Thanks,

Rashmi.

AshitKumar Enthusiast 21 posts since
Nov 20, 2008
Currently Being Moderated
Mar 3, 2009 10:16 PM in response to: rashmid
Re: cache-line-size of fcp-adapter-list-info

Thanks Rashmi.

On the filer, the API output (fcp-adapter-list-info) gives the cache-line-size as '8'. So should we assume it to be 8 bytes. I guess that is too small value for cache.

results status="passed">
        <fcp-config-adapters>
                <fcp-config-adapter-info>
                        <adapter>0c_0</adapter>
                        <node-name>50:0a:09:80:85:75:d0:be</node-name>
                        <port-name>50:0a:09:81:85:75:d0:be</port-name>
                        <loop-id>7</loop-id>
                        <port-id>66010</port-id>
                        <media-type>loop</media-type>
                        <state>ONLINE</state>
                        <adapter-type>Local</adapter-type>
                        <hardware-rev>2</hardware-rev>
                        <firmware-rev>3.3.19</firmware-rev>
                        <info-name>Dual-channel, QLogic 2312 (2342)</info-name>
                        <pc-bus-width>32</pc-bus-width>
                        <pc-clock-speed>33</pc-clock-speed>
                        <cache-line-size>8</cache-line-size> <--------------------------------------
                        <packet-size>2048</packet-size>
                        <sram-parity-enabled>true</sram-parity-enabled>
                        <external-gbic-enabled>false</external-gbic-enabled>
                        <data-link-rate>2</data-link-rate>
                        <fabric-established>true</fabric-established>
                        <connection-established>loop</connection-established>

                </fcp-config-adapter-info>

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