<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Hi again,<div class=""><br class=""></div><div class="">I found some informations about MPIO here (<a href="https://docs.oracle.com/cd/E78305_01/E78304/html/setup-cinder.html" class="">https://docs.oracle.com/cd/E78305_01/E78304/html/setup-cinder.html</a>) :</div><div class=""><div class="section"><p style="font-family: Helvetica, Arial, sans-serif;" class="">"By default, the Cinder block storage service uses the iSCSI protocol to connect instances to volumes. The <code class="literal" style="font-size: 12.350000381469727px; background-color: white; font-family: "Courier New", Courier, fixed, monospace;">iscsid</code> container runs on compute nodes and handles the iSCSI session using an iSCSI initiator name that is generated when you deploy Nova compute services.</p><p style="font-family: Helvetica, Arial, sans-serif;" class="">The Nova compute service supports iSCSI multipath for failover purposes and increased performance. Multipath is enabled by default (configured with the <code class="literal" style="font-size: 12.350000381469727px; background-color: white; font-family: "Courier New", Courier, fixed, monospace;">enable_multipathd</code> property). When multipath is enabled, the iSCSI initiator (the Compute node) is able to obtain a list of addresses from the storage node that the initiator can use as multiple paths to the iSCSI LUN."</p></div><div class="section"><div class="titlepage" style="font-family: Helvetica, Arial, sans-serif;"><div class=""></div></div></div></div><div class="">But still - how should I set storage_interface, if I have two NICs for storage connection (let’s say eth4 and eth5)? storage_interface=eth4,eth5 ?</div><div class=""><br class=""></div><div class="">Best regards</div><div class="">Adam Tomas</div><div class=""><br class=""></div><div class=""><blockquote type="cite" class="">Hi,<br class="">I’d like to use MPIO in connection to storage array, so I have two physical NIC’s in different VLANS on each node and also 4 NIC’s in the storage array (2 in each storage VLAN) so it should result in 4 MPIO paths from every node (2 paths in each VLAN). But how to set it in kolla-ansible? Can I point to more than one interface using storage_interface variable? Or maybe I should configure it in different way?<br class=""></blockquote></div></body></html>