topic LUN performance in VMware Solutions Discussions https://community.netapp.com/t5/VMware-Solutions-Discussions/LUN-performance/m-p/28136#M2913 <HTML><HEAD></HEAD><BODY><P>Hi All,</P><P></P><P>For two LUN in my environment I see status: misaligned. Hosts (VMs) use Windows 2003 system.</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Multiprotocol type: vmware</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Alignment: misaligned</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Write alignment histogram percentage: 8, 0, 0, 15, 19, 23, 8, 1</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Read alignment histogram percentage: 21, 1, 1, 7, 28, 6, 2, 1</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Partial writes percentage: 21</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Partial reads percentage: 28</P><P></P><P></P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Multiprotocol type: vmware</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Alignment: misaligned</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Write alignment histogram percentage: 40, 0, 0, 33, 6, 0, 0, 0</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Read alignment histogram percentage: 50, 0, 0, 46, 2, 0, 0, 0</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Partial writes percentage: 19</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Partial reads percentage: 0</P><P></P><P>Have this impact our performance? how to resolve this problem.</P><P></P><P>Best regards, KOSA</P></BODY></HTML> Thu, 05 Jun 2025 06:17:24 GMT kosickimi 2025-06-05T06:17:24Z LUN performance https://community.netapp.com/t5/VMware-Solutions-Discussions/LUN-performance/m-p/28136#M2913 <HTML><HEAD></HEAD><BODY><P>Hi All,</P><P></P><P>For two LUN in my environment I see status: misaligned. Hosts (VMs) use Windows 2003 system.</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Multiprotocol type: vmware</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Alignment: misaligned</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Write alignment histogram percentage: 8, 0, 0, 15, 19, 23, 8, 1</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Read alignment histogram percentage: 21, 1, 1, 7, 28, 6, 2, 1</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Partial writes percentage: 21</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Partial reads percentage: 28</P><P></P><P></P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Multiprotocol type: vmware</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Alignment: misaligned</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Write alignment histogram percentage: 40, 0, 0, 33, 6, 0, 0, 0</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Read alignment histogram percentage: 50, 0, 0, 46, 2, 0, 0, 0</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Partial writes percentage: 19</P><P>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Partial reads percentage: 0</P><P></P><P>Have this impact our performance? how to resolve this problem.</P><P></P><P>Best regards, KOSA</P></BODY></HTML> Thu, 05 Jun 2025 06:17:24 GMT https://community.netapp.com/t5/VMware-Solutions-Discussions/LUN-performance/m-p/28136#M2913 kosickimi 2025-06-05T06:17:24Z Re: LUN performance https://community.netapp.com/t5/VMware-Solutions-Discussions/LUN-performance/m-p/28140#M2914 <HTML><HEAD></HEAD><BODY><P>Hi</P><P>Try these resources.. There are plenty of previous threads as well:</P><P><A _jive_internal="true" class="active_link" href="https://community.netapp.com/thread/20011" title="https://communities.netapp.com/thread/20011" target="_blank">https://communities.netapp.com/thread/20011</A></P><P></P><P>Technical Reports:</P><P><A class="jive-link-external-small" href="https://media.netapp.com/documents/tr-3749.pdf" target="_blank">https://media.netapp.com/documents/tr-3749.pdf</A></P><P></P><P><SPAN __jive_emoticon_name="happy" __jive_macro_name="emoticon" class="jive_macro jive_emote" src="https://community.netapp.com/5.0.1/images/emoticons/happy.gif"></SPAN></P></BODY></HTML> Sun, 14 Oct 2012 20:35:53 GMT https://community.netapp.com/t5/VMware-Solutions-Discussions/LUN-performance/m-p/28140#M2914 martin_fisher 2012-10-14T20:35:53Z