Openstack – Layer2 Gateway(VXLAN -> Real world bridge)

This article is the culmination of 100’s of hours of work, I hope it can save others some time. Here are some super useful articles that got me across the line https://networkop.co.uk/blog/2016/05/21/neutron-l2gw/ https://wiki.openstack.org/wiki/Ovs-flow-logic http://kimizhang.com/neutron-l2-gateway-hp-5930-switch-ovsdb-integration/ https://drive.google.com/file/d/0Bx8nDIFktlzBRm0tV3pmYURnZ3M/view https://github.com/openstack/networking-l2gw   Setting up and Openvswitch VTEP Step1 – Kill all Openvswitch processes use ps ax | grep ovs to […]

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HPACUCLI – Mapping a disk to a linux mount point /dev/sdx

Found this little nugget by accident but here is the command to use hpacucli on linux to determine which logical disk is mapped to which mount point [root@ceph1 ~]# /usr/sbin/uname26 hpacucli controller slot=2 ld 3 show Smart Array P410 in Slot 2 array C Logical Drive: 3 Size: 3.6 TB Fault Tolerance: 0 Heads: 255 […]

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Openstack Queens – Neutron: Allow NAT’ing on a Neutron port

To allow a virtual firewall etc to work we need to update the port settings to allow NAT traffic in   port set –allowed-address mac-address=fa:16:3e:49:25:0b,ip-address=128.0.0.0/1 08d46e04-dbbd-493b-abbb-e7e493a67c38 port set –allowed-address mac-address=fa:16:3e:49:25:0b,ip-address=0.0.0.0/1 08d46e04-dbbd-493b-abbb-e7e493a67c38

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Openstack Queens\Rocky – Glance: Create an image from an existing RBD volume

Seems like something that should be simple! Step1 – Create the empty image glance image-create –container-format=bare –disk-format=raw  –min-ram 2048 –name=”Windows Server test” +——————+————————————–+ | Property | Value | +——————+————————————–+ | checksum | None | | container_format | bare | | created_at | 2020-07-14T03:37:29Z | | disk_format | raw | | id | ca9bf831-df20-4c7c-884e-08e355e5a012 | | […]

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Openstack Queens – Cinder: Deleting volumes using Mysql

Sometimes things get so broken you just have to hack stuff out of the database because the API’s are in a stuck state. Here is what I did to successfully remove the volume entries for some stuck volumes after a MySQL server crash. Note, You’ll also need to adjust the quotas table too to decrement […]

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Openstack Queens – Horizon: Custom SVG Logos

This is what worked for me, it’s NOT what the documentation says but hey!   Using the material theme as the default, this should replace the logo on the heading bar in Horizon. No need to run ./manage.py collectstatic or anything, just run this and hit F5 in your browser cp /home/myadmin/logo.svg /usr/share/openstack-dashboard/openstack_dashboard/themes/material/templates/material/openstack-one-color.svg   The […]

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