#cluster Articles

  • 2013-08-21
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Red Hat – Clustering and Storage Management – Course Objectives - part 2

Post 1 - https://www.guldmyr.com/red-hat-clustering-and-storage-management-course-objectives/ Where I checked out udev, multipathing, iscsi, LVM and xfs. This post is about getting using luci/ricci to get a Red Hat cluster working, but not on a RHEL machine because sadly I do not have one available for practice purposes. So …

  • 2013-08-15
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Red Hat - Clustering and Storage Management - Course Objectives

Attending "Red Hat Enterprise Clustering and Storage Management" in August. Quite a few of these technologies I haven't touched upon before so probably best to go through them before the course. Initially I wonder how many of these are Red Hat specific, or how many of these I can accomplish …

  • 2012-11-03
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cfengine - what's that about?

http://cfengine.com/what-is-cfengine It's a (old) software that is used to make sure that (for example) the same config files are used on all machines. There are several other CMSs, for example puppet. Wikipedia has a nice overview of them. Let's use the lustre machines we set up in …

Setup a 3 Node Lustre Filesystem

Introduction Lustre is a filesystem often used by clusters because many computers can mount the filesystem simultaneously. This is a small log/instruction for how to setup Lustre in 3 virtualized machines (one metadata server, one object storage server and one client). Basic components: VMWare Workstation 3 x CentOS 6 …