topic Re: PAM II cache in AFF https://community.netapp.com/t5/AFF/PAM-II-cache/m-p/54251#M41 <HTML><HEAD></HEAD><BODY><P>Hi CP and welcome to the Communities! <SPAN __jive_emoticon_name="happy" __jive_macro_name="emoticon" class="jive_macro jive_emote" src="https://community.netapp.com/4.0.8/images/emoticons/happy.gif"></SPAN></P><P></P><P>PAM II (a.k.a. Flash Cache) will be beneficial for only certain types of workloads, namely when your hosts frequently read the same data again &amp; again. If your read pattern is different, then PAM II will not help. Also be sure to 'warm up' the cache (fill with data) before doing any testing.</P><P></P><P>Here is a bunch of documents explaining all this in much greater detail:</P><P><A class="jive-link-external-small" href="http://www.netapp.com/us/library/white-papers/wp-7107.html" target="_blank">http://www.netapp.com/us/library/white-papers/wp-7107.html</A></P><P><A class="jive-link-external-small" href="http://media.netapp.com/documents/tr-3832.pdf" target="_blank">http://media.netapp.com/documents/tr-3832.pdf</A></P><P><A class="jive-link-external-small" href="http://media.netapp.com/documents/wp-7082.pdf" target="_blank">http://media.netapp.com/documents/wp-7082.pdf</A></P><P></P><P>Regards,</P><P>Radek</P></BODY></HTML> Mon, 09 Aug 2010 09:20:23 GMT radek_kubka 2010-08-09T09:20:23Z PAM II cache https://community.netapp.com/t5/AFF/PAM-II-cache/m-p/54245#M40 <P>HI,</P> <P>&nbsp;</P> <P>How do i find, which physical devices are consuming the PAM cache on the storage devices ?</P> <P>&nbsp;</P> <P>Even after i use PAM still im facing read latency issue.</P> <P>&nbsp;</P> <P>Thanks</P> <P>CP</P> Thu, 05 Jun 2025 07:10:49 GMT https://community.netapp.com/t5/AFF/PAM-II-cache/m-p/54245#M40 plrsuresh 2025-06-05T07:10:49Z Re: PAM II cache https://community.netapp.com/t5/AFF/PAM-II-cache/m-p/54251#M41 <HTML><HEAD></HEAD><BODY><P>Hi CP and welcome to the Communities! <SPAN __jive_emoticon_name="happy" __jive_macro_name="emoticon" class="jive_macro jive_emote" src="https://community.netapp.com/4.0.8/images/emoticons/happy.gif"></SPAN></P><P></P><P>PAM II (a.k.a. Flash Cache) will be beneficial for only certain types of workloads, namely when your hosts frequently read the same data again &amp; again. If your read pattern is different, then PAM II will not help. Also be sure to 'warm up' the cache (fill with data) before doing any testing.</P><P></P><P>Here is a bunch of documents explaining all this in much greater detail:</P><P><A class="jive-link-external-small" href="http://www.netapp.com/us/library/white-papers/wp-7107.html" target="_blank">http://www.netapp.com/us/library/white-papers/wp-7107.html</A></P><P><A class="jive-link-external-small" href="http://media.netapp.com/documents/tr-3832.pdf" target="_blank">http://media.netapp.com/documents/tr-3832.pdf</A></P><P><A class="jive-link-external-small" href="http://media.netapp.com/documents/wp-7082.pdf" target="_blank">http://media.netapp.com/documents/wp-7082.pdf</A></P><P></P><P>Regards,</P><P>Radek</P></BODY></HTML> Mon, 09 Aug 2010 09:20:23 GMT https://community.netapp.com/t5/AFF/PAM-II-cache/m-p/54251#M41 radek_kubka 2010-08-09T09:20:23Z