On Tue, Jun 30, 2020 at 6:13 PM Erez Zarum <er...@nanosek.com> wrote:
> While troubleshooting a fresh installation of (after a failed one) that > caused all the hosts but the one running the hosted-engine to become in > “Unassigned” state I noticed that the ovirt-engine complains about not > being able to contact the VDSM. > I noticed that VDSM has stopped listening on IPv4. > > Thanks for sharing the details. > I didn’t disable any IPv6 as it states not to disable it on hosts that are > capable running the hosted-engine and it seems that the reason behind it > is that the hosted-engine talks to the host it runs on through “localhost”, > this also explains why the host which the hosted-engine runs on is “OK”. > > Below is from a host that does not run the hosted-engine: > # ss -atn | grep 543 > LISTEN 0 5 *:54322 *:* > ESTAB 0 0 127.0.0.1:54792 127.0.0.1:54321 > ESTAB 0 0 127.0.0.1:54798 127.0.0.1:54321 > LISTEN 0 5 [::]:54321 [::]:* > ESTAB 0 0 [::ffff:127.0.0.1]:54321 > [::ffff:127.0.0.1]:54798 > ESTAB 0 0 [::ffff:127.0.0.1]:54321 > [::ffff:127.0.0.1]:54792 > ESTAB 0 0 [::1]:54321 [::1]:50238 > ESTAB 0 0 [::1]:50238 [::1]:54321 > > Below is from a host that runs the hosted-engine at the moment: > # ss -atn | grep 543 > LISTEN 0 5 *:54322 *:* > LISTEN 0 5 [::]:54321 [::]:* > ESTAB 0 0 [::1]:51230 [::1]:54321 > ESTAB 0 0 [::1]:54321 [::1]:51242 > ESTAB 0 0 [::ffff:10.46.20.23]:54321 > [::ffff:10.46.20.20]:45706 > ESTAB 0 0 [::ffff:10.46.20.23]:54321 > [::ffff:10.46.20.20]:45746 > ESTAB 0 0 [::1]:51240 [::1]:54321 > ESTAB 0 0 [::1]:54321 [::1]:51230 > ESTAB 0 0 [::1]:51242 [::1]:54321 > ESTAB 0 0 [::1]:54321 [::1]:51240 > > The hosted-engine IP is 10.46.20.20 and the host is 10.46.20.23. > > Why do you think the host does not listen to IPv4 anymore? Can you please share the output of "nc -vz 10.46.20.23 54321" executed on engine VM or another host? > /etc/hosts on all hosts: > 127.0.0.1 localhost localhost.localdomain localhost4 > localhost4.localdomain4 > ::1 localhost localhost.localdomain localhost6 > localhost6.localdomain6 > > Perhaps this is relevant but all hosts are enrolled into IDM (FreeIPA) and > as an outcome they all have a DNS record and a PTR record as well as the > ovirt-engine VM. > > # cat /etc/vdsm/vdsm.conf > [vars] > ssl = true > ssl_ciphers = HIGH:!aNULL > ssl_excludes = OP_NO_TLSv1,OP_NO_TLSv1_1 > > [addresses] > management_port = 54321 > > I have tried adding “management_ip = 0.0.0.0” but then it only binds to > IPv4 and yet, the host still shows as Unassigned, sometimes it switches to > “NonResponsive” and trying to “Reinstall” the host fails, the ovirt-engine > complains it can't contact/reach the VDSM, while using netcat from the > ovirt-engine it works. > > I have KSM and Memory Ballooning enabled on the Cluster as well. > > oVirt 4.3.10 installed on CentOS 7.8.2003 > The self-hosted Engine runs on an external GlusterFS, before reinstalling > everything (fresh start of OS, etc..) I tried iSCSI as well. > > > _______________________________________________ > Users mailing list -- users@ovirt.org > To unsubscribe send an email to users-le...@ovirt.org > Privacy Statement: https://www.ovirt.org/privacy-policy.html > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ > List Archives: > https://lists.ovirt.org/archives/list/users@ovirt.org/message/NCTWZLS2VPIABOBCDK2JSTDFXT2V3SFQ/ >
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