<div dir="ltr"><span style="color:rgb(0,0,0);font-family:-apple-system-font;font-size:12px;line-height:16px">Hi all,</span><div style="color:rgb(0,0,0);font-family:-apple-system-font;font-size:12px;line-height:16px"><br></div><div style="color:rgb(0,0,0);font-family:-apple-system-font;font-size:12px;line-height:16px">We are working on nova live-migration using Ceph and trying to work around the problem where vm migration fails if name resolution is not enabled in a cluster. See the link,</div><div style="color:rgb(0,0,0);font-family:-apple-system-font;font-size:12px;line-height:16px"><br></div><div style="color:rgb(0,0,0);font-family:-apple-system-font;font-size:12px;line-height:16px"><a href="https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization_Host_Configuration_and_Guest_Installation_Guide/App_Migration_Address.html">https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization_Host_Configuration_and_Guest_Installation_Guide/App_Migration_Address.html</a></div><div style="color:rgb(0,0,0);font-family:-apple-system-font;font-size:12px;line-height:16px"><br></div><div style="color:rgb(0,0,0);font-family:-apple-system-font;font-size:12px;line-height:16px">We have managed to work around this by setting the flag to include “VIR_MIGRATE_TUNNELLED”.</div><div style="color:rgb(0,0,0);font-family:-apple-system-font;font-size:12px;line-height:16px">However, it is noticebaly slower than non tunnelled.</div><div style="color:rgb(0,0,0);font-family:-apple-system-font;font-size:12px;line-height:16px"><br></div><div style="color:rgb(0,0,0);font-family:-apple-system-font;font-size:12px;line-height:16px">We were hoping that setting the listen_addr would get libvirt to return the listen_addr rather than the hostname but virGetHostname in libvirt/src/util/virutil.c doesn’t have access to the config structure.</div><div style="color:rgb(0,0,0);font-family:-apple-system-font;font-size:12px;line-height:16px"><br></div><div style="color:rgb(0,0,0);font-family:-apple-system-font;font-size:12px;line-height:16px">I was wondering if libvirt can be patched in a way to return the ip address of the destination instead of the hostname during migration?</div><div style="color:rgb(0,0,0);font-family:-apple-system-font;font-size:12px;line-height:16px"><br></div><div style="color:rgb(0,0,0);font-family:-apple-system-font;font-size:12px;line-height:16px">Regards,</div><div style="color:rgb(0,0,0);font-family:-apple-system-font;font-size:12px;line-height:16px">Yagmur Akbulut</div></div>