topic Performance status for NetApp flash cache in ONTAP Hardware https://community.netapp.com/t5/ONTAP-Hardware/Performance-status-for-NetApp-flash-cache/m-p/17668#M1201 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P><SPAN style="font-size: 10pt; font-family: ArialMT;"></SPAN></P><P>TR-3832 - Flash Cache Best Practicse Guide:</P><SPAN style="font-size: 10pt; font-family: CourierNewPSMT;"><P>stats show ext_cache_obj</P><SPAN style="font-size: 10pt; font-family: ArialMT;"><P>This gives you only a point-in-time view of the data in the counters</P></SPAN></SPAN><P></P></BODY></HTML> Mon, 08 Oct 2012 00:12:33 GMT gben 2012-10-08T00:12:33Z Performance status for NetApp flash cache https://community.netapp.com/t5/ONTAP-Hardware/Performance-status-for-NetApp-flash-cache/m-p/17664#M1200 <HTML><HEAD></HEAD><BODY><P>Hi</P><P>We have this weekend installed 2x256Gb flash cache in our two FAS3240 controllers. What can I expect from this when do I start to se some effect of the installation? How can I see the perfroamce status of the flash cache?</P><P></P><P>Rgds</P><P>Tobias</P></BODY></HTML> Thu, 05 Jun 2025 06:17:48 GMT https://community.netapp.com/t5/ONTAP-Hardware/Performance-status-for-NetApp-flash-cache/m-p/17664#M1200 TOBIAS1979 2025-06-05T06:17:48Z Performance status for NetApp flash cache https://community.netapp.com/t5/ONTAP-Hardware/Performance-status-for-NetApp-flash-cache/m-p/17668#M1201 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P><SPAN style="font-size: 10pt; font-family: ArialMT;"></SPAN></P><P>TR-3832 - Flash Cache Best Practicse Guide:</P><SPAN style="font-size: 10pt; font-family: CourierNewPSMT;"><P>stats show ext_cache_obj</P><SPAN style="font-size: 10pt; font-family: ArialMT;"><P>This gives you only a point-in-time view of the data in the counters</P></SPAN></SPAN><P></P></BODY></HTML> Mon, 08 Oct 2012 00:12:33 GMT https://community.netapp.com/t5/ONTAP-Hardware/Performance-status-for-NetApp-flash-cache/m-p/17668#M1201 gben 2012-10-08T00:12:33Z Re: Performance status for NetApp flash cache https://community.netapp.com/t5/ONTAP-Hardware/Performance-status-for-NetApp-flash-cache/m-p/17677#M1202 <HTML><HEAD></HEAD><BODY><P><SPAN id="result_box" lang="en"><SPAN class="hps">Hi</SPAN><BR /><SPAN class="hps">Thanks for the </SPAN><SPAN class="hps">*.p</SPAN><SPAN class="hps">df, now I can chek the performance status. If someone has done this flasch cache installatione I would like to here from you</SPAN></SPAN><SPAN lang="en"> <SPAN class="hps">what it really</SPAN> <SPAN class="hps">did for</SPAN> <SPAN class="hps">their environment.</SPAN> <SPAN class="hps">What happens to the</SPAN> <SPAN class="hps">VMWare</SPAN> <SPAN class="hps">environment,</SPAN> <SPAN class="hps">it is possible to</SPAN> <SPAN class="hps">access the</SPAN> <SPAN class="hps">CIFS</SPAN> <SPAN class="hps">share</SPAN> <SPAN class="hps">faster?</SPAN></SPAN></P><P><SPAN lang="en"><SPAN class="hps"></SPAN></SPAN></P><P><SPAN lang="en"><SPAN class="hps">/T</SPAN></SPAN></P></BODY></HTML> Mon, 08 Oct 2012 05:53:26 GMT https://community.netapp.com/t5/ONTAP-Hardware/Performance-status-for-NetApp-flash-cache/m-p/17677#M1202 TOBIAS1979 2012-10-08T05:53:26Z Re: Performance status for NetApp flash cache https://community.netapp.com/t5/ONTAP-Hardware/Performance-status-for-NetApp-flash-cache/m-p/17682#M1203 <HTML><HEAD></HEAD><BODY><P>Hey Tobias, </P><P></P><P>I have done several Flash Cache installations, and also have 1 512GB card on each controller in my lab environment with only SATA disks. (NFS, CIFs, and ISCSI) </P><P></P><P>In my lab I saw a boost in all protocols (and some NetApp features), and I also combined flexcache with my VMware NFS volumes. (the instructions to do this are in TR-3832) </P><P></P><P>But to answer your question, I just see a big boost in response times, and even a little write performance across the board. </P><P></P><P>These cards easily compensate for my slow SATA drives. </P><P></P><P>Here are some benchmarks for you, </P><P></P><P>Baseline submission: FAS3140 with 224 Fibre Channel drives </P><P><A class="jive-link-external-small" href="http://www.spec.org/sfs2008/results/res2010q2/sfs2008-20100415-00156.html" target="_blank">http://www.spec.org/sfs2008/results/res2010q2/sfs2008-20100415-00156.html</A><SPAN> </SPAN></P><P></P><P>Second submission: FAS3140 with 56 Fibre Channel drives plus Flash Cache </P><P><A class="jive-link-external-small" href="http://www.spec.org/sfs2008/results/res2010q2/sfs2008-20100415-00157.html" target="_blank">http://www.spec.org/sfs2008/results/res2010q2/sfs2008-20100415-00157.html</A><SPAN> </SPAN></P><P></P><P>Third submission: FAS3140 with 96 SATA drives plus Flash Cache </P><P><A class="jive-link-external-small" href="http://www.spec.org/sfs2008/results/res2010q2/sfs2008-20100415-00158.htm" target="_blank">http://www.spec.org/sfs2008/results/res2010q2/sfs2008-20100415-00158.htm</A></P></BODY></HTML> Mon, 08 Oct 2012 15:28:16 GMT https://community.netapp.com/t5/ONTAP-Hardware/Performance-status-for-NetApp-flash-cache/m-p/17682#M1203 CCOLEMAN_ 2012-10-08T15:28:16Z