#openstack Articles

  • 2019-07-22
  • it

Contributing To OpenStack Upstream

Recently I had the pleasure of contributing upstream to the OpenStack project! A link to my merged patches: https://review.opendev.org/#/q/owner:+guldmyr+status:merged In a previous OpenStack summit (these days called OpenInfra Summits), (Vancouver 2018) I went there a few days early and attended the Upstream …

  • 2018-11-17
  • it

Certified OpenStack administrator - check!

Yay! Took the exam last week after having studied a few days. Nothing seemed to be impossible from the list of requirements at least :) Thought because it's done online it can be scheduled almost on demand, but one had to wait at least 24h for the exam environment to get …

  • 2018-11-04
  • it

Studying for Openstack Certified Administrator

The plan : study a bit and then attempt the coa exam. If I don't pass then attend the course during openstack summit: SUSE And what to study? I've been doing openstack admin work for the last year or two. So I have already done and used most services, except Swift …

  • 2017-08-07
  • it

haproxy lab setup!

Been seeing haproxy more and more lately as it seems even the stuff I work with are moving towards web :) So a good time as any to play around with it! First setup is the tag "single-node" in https://github.com/martbhell/haproxy-lab - this means it just configures one apache …

Lustre 2.5 + CentOS6 Test in OpenStack

Reason: Testing to Lustre 2.5 from a clean CentOS 6.5 install in an openstack. Three VMs: two servers, one MDS, one OSS and one Client. CentOS65 on all. An open internal ethernet network for the lustre traffic (don't forget firewalls). Yum updated to latest kernel. Two volumes presented …

  • 2013-08-21
  • it

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
  • it

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 …

  • 2012-09-13
  • it

Thoughts after Brocade's Analyst and Technology Day 2012

Thursday today, the day after the Day. It was a real long day, and to my surprise it said 'press' on my pass - so I had to try to ask some questions :) Some things picked up: * New VDX 8770 product released - a modular Ethernet switch. Room for 384 10GbE ports …

  • 2012-03-10
  • it

openstack testing day

Only one day late! I actually started installing this on the 8th but I forgot to install it to hdd so the 'yum update' failed and broke the machine with I/O errors :) Installing it in a VMWare Workstation (fedora 64-bit type, 2, cores, 4G RAM, 20G disk). http://fedoraproject …