https://community.netapp.com/t5/ONTAP-Discussions/Ontap-8-3-5-MetroCluster-AIX-Hosts/m-p/127591#M27629 <P>Anyone had success configuring AIX hosts MPIO settings in a metrocluster environment.</P><P>Using NetApp Host Utilities 6.0</P><P>NPIV VIO clients used for testing.&nbsp; AIX Version 7.1.3</P><P>Experiencing IO delays/hang for approximately 50 seconds during switch over and switch back.</P><P>Assuming this is a disk rw_timeout issue after looking at nsanity logs from the host.</P><P>Not aware of any way to reduce the 30 second read/write on the LUN.</P> Wed, 04 Jun 2025 15:30:14 GMT lcribbs 2025-06-04T15:30:14Z https://community.netapp.com/t5/ONTAP-Discussions/Ontap-8-3-5-MetroCluster-AIX-Hosts/m-p/127591#M27629 <P>Anyone had success configuring AIX hosts MPIO settings in a metrocluster environment.</P><P>Using NetApp Host Utilities 6.0</P><P>NPIV VIO clients used for testing.&nbsp; AIX Version 7.1.3</P><P>Experiencing IO delays/hang for approximately 50 seconds during switch over and switch back.</P><P>Assuming this is a disk rw_timeout issue after looking at nsanity logs from the host.</P><P>Not aware of any way to reduce the 30 second read/write on the LUN.</P> Wed, 04 Jun 2025 15:30:14 GMT https://community.netapp.com/t5/ONTAP-Discussions/Ontap-8-3-5-MetroCluster-AIX-Hosts/m-p/127591#M27629 lcribbs 2025-06-04T15:30:14Z