Hello Community, I am about to embark in the journey of building the first Private Cloud. At first it will be tested by the staff and afterwards it will be deployed in production. I have read until now quite some documentation about Cloud Computing and I've successfully installed OpenNebula 3.0b2 from source.
I have looked for information regarding Cloud Architecture and Design and found out that literature on this subject is quite scarce. Anyway I have found some presentations from CERN and the OpenNebula blog post about the CERN Cloud, and pieces start to fall into place. Great piece of technology this Cloud Computing paradigm. I want to deploy a Private Cloud to automate the deployment of an application we use for our customers. The application (a database) uses the hard disk quite a lot to index large amounts of data. So I thought I would deploy OpenNebula using the LVM storage driver. This way I can balance the load among the servers. Maybe in the future when the Cloud will be used at its full potential and the needs will grow I will switch to NFS on some decent hardware that can support the intensive read/write operations. Another argument why I choose LVM is the possibility to grow the volume and so the filesystem inside the VM in case of need. I need to test if its possible to do this without shutting down the database service. I don't want to waste your time Gentlemen but being my first try on building a Cloud I thought I come here and post what I want to do and receive some feedback from you. I do have some questions though. First and foremost I come from the BSD world and I can't say I'm a Linux advanced user and have a favorite distro. So which operating systems in terms of features (security, networking, ease of administration, etc) should I choose to use for this Cloud. I usually choose the one I know best but as I have mentioned I don't have a Linux operating system I know best. I am thinking of using CentOS because KVM, which lies at the core of the Cloud I want to build is actively developed and maintained by RedHat. I assume it works best on the operating system these guys develop. What other things should I research, what gotchas, what hints do you have for a Cloud newbie? I want to build Clouds, I really like the concept and the vision Cloud Computing brings in our times. For this I have to study and gain experience, I know that. Any kind of thoughts you have I appreciate them. Thank you, v -- network warrior
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