Development

Protecting your Ceph pools against removal or property changes

Protecting your Ceph pools against removal or property changes 1506 1001 Wido den Hollander

One of the dangers of Ceph was that by accident you could remove a multi TerraByte pool and loose all the data. Although the CLI tools asked you for conformation, librados and all it’s bindings did not. Imagine explaining that you just removed a 200TB pool from your storage system due to a typo in…

read more

Rebuilding libvirt under CentOS 7.1 with RBD storage pool support

Rebuilding libvirt under CentOS 7.1 with RBD storage pool support 1494 1000 Wido den Hollander

If you want to use CentOS 7.1 for your hypervisors with Apache CloudStack and Ceph’s RBD as Primary Storage you need to rebuild libvirt. CloudStack requires libvirt to be built with RBD storage pool support. It uses libvirt to manage RBD volumes. By default libvirt under CentOS is not built with this support. (On Ubuntu…

read more

A quick note on running CloudStack with RBD on Ubuntu 12.04

A quick note on running CloudStack with RBD on Ubuntu 12.04 1510 1000 Wido den Hollander

When you want to use Ceph as Primary Storage in Apache CloudStack you need a recent version of libvirt with RBD storage pool support enabled. If you want to use Ubuntu 12.04 LTS (Precise) you would need to manually compile libvirt since the default libvirt version doesn’t include RBD storage pool support. But not any…

read more

Redundant Ceph monitors with Round Robin DNS

Redundant Ceph monitors with Round Robin DNS 1500 1001 Wido den Hollander

One of the unique features of Ceph is that it can be build without any Single Point of Failure. No single machine will take your cluster down when designed properly. Ceph’s monitors play a crucial part in this. To make them redundant you want a odd number of monitors, where 3 is more then sufficient…

read more

Enhanced RBD support for CloudStack 4.2

Enhanced RBD support for CloudStack 4.2 1500 1000 Wido den Hollander

About 1 hour ago the new storage subsystem got merged into the master branch of CloudStack. That is wonderful news for all you out there who want to use features like snapshotting with RBD in CloudStack. In pre-4.2 CloudStack a snapshot was the same as a backup. As soon as you created a snapshot it…

read more

Ceph distributed storage with CloudStack

Ceph distributed storage with CloudStack 1618 1001 Wido den Hollander

As we are nearing the CloudStack 4.0 release I figured it was time I’d write something about the Ceph integration in CloudStack 4.0 In the beginning of this year we (my company) decided we wanted to use CloudStack for our cloud product, but we also wanted to use Ceph for the storage. CloudStack lacked the…

read more

Get

in touch.

    ConsultancyTrainingSupport
    Privacy Preferences

    When you visit our website, it may store information through your browser from specific services, usually in the form of cookies. Here you can change your Privacy Preferences. It is worth noting that blocking some types of cookies may impact your experience on our website and the services we are able to offer.

    Click to enable/disable Google Analytics tracking code.
    Click to enable/disable Google Fonts.

    Visit privacy policy Visit terms and conditions

    Our website uses cookies, mainly from 3rd party services. Define your Privacy Preferences and/or agree to our use of cookies.