Terraform your (multi) cloud – part 1

Terraform is one of my favorites open source tools, I started to use it with my internal VMware and after with cloud Azure and AWS. The idea of describing an infrastructure with a configuration language is relatively new and starts to become more important with the adoption of private and Read more…

Slurm on CentOS 6

Last week I’ve installed a Slurm cluster to manage a large set of computing nodes, Slurm is one of the most widely supported job scheduler for Linux and Unix. It’s difficult to find on-line a CentOS 6 installation tutorial, it’s simplest to start with CentOS 7 distribution, but in my landscape, Read more…

Windows Admin Center in GA (Free)

Project Honolulu, used in my latest post about Windows 2019, is now in GA for free with a new name, Windows Admin Center. I like it very much and the upgrade in place is smooth, as for the previous version there are some problems with the browsers (doesn’t function on Read more…

Windows 2019 Insider Preview and Project Honolulu

I’ve done some tests with the build 17623 and the latest Project Honolulu management interface. I’ve created a LAB with 3 VMs on VMware ESXi 6.5 with 2 SSD and 3 SATA LUN to test the Hyper-Converged Cluster and Deduplication on Cluster Shared Volumes with ReFS. The Windows 2019 installation Read more…

vSphere Integrated Containers

To expand our infrastructure to develop some new services, I have tested the VMware’s compatible Docker platform. You can obtain an official VMware release (OVA format) from the vSphere Integrated Containers download page on VMware website, the current version is 1.2, the license is included in the vSphere Enterprise Plus Read more…

Ceph SSD Tiering

I’ve tried to insert an SSD tier on a 3 node ceph block storage to check the performance boost. The landscape is composed by 6 CentOS VM, 1 admin, 1 monitor+dashboard, 3 osd and 1 rbd client used as nfs gateway with kernel module, on a 6 node vSphere 6 Read more…

Migrate a small WordPress installation to a scalable HA deploy on AWS

Step to create and convert a single monolithic WordPress to an HA scalabale application: create an AWS account; create a security group; launch a standard AMI WordPress; divide Application layer from DB layer; setup an HA frontend with Load Balancing and Auto Scaling; migrate static content to EFS. I wrote Read more…

NetApp ONTAP Select VM 9.1RC1D1 Test

ONTAP Select is the SDS product of NetApp. I’ve tested NetApp Edge in the past, a virtual version of NetApp Filer, but limited to 10TB in a single VM. This product instead is a production ready HA 4 node server with all the software of ONTAP Cluster 9. The deployment Read more…