HA – Marco Santucci

Test Lustre Cluster Throughput and High Availability options

Post published:7 January 2025
Post category:Cloud

https://www.youtube.com/watch?v=DdlIhfU2VAU In this video (English subtitled), I demonstrate the aggregate performance of a 4-node Lustre cluster (3 OSS + 1 MDS/MGS) and the block volumes provided by Oracle OCI. Of course, this is a functionality test and not a production POC. In addition to understanding and observing the aggregate performance that only 3 active OSS nodes can deliver, I wanted to test 2 failover systems between OSS1 and OSS2 nodes (OSS3 is unpaired and works without failover). 1 - The…

How to setup a linux Virtual IP Failover (IP Floating) on Oracle OCI managed by pacemaker

Post published:14 August 2024
Post category:Cloud Tutorial

Introduction In many environments, it is still essential to use infrastructures with an active/passive Linux cluster, which require the use of IP floating. In cloud infrastructures, the secondary IP address must be managed not only by the operating system but also by the cloud infrastructure. In this tutorial, we will see how the IP floating of a Linux cluster can be managed as an integrated resource by Pacemaker, in a simple manner and without custom code, as seen in several…

SMB protocol on OCI: An analysis of the available options

Post published:10 April 2024
Post category:Cloud

Many enterprise infrastructures still use the server message block (SMB) protocol. Having a clear understanding of the implementation possibilities and the various associated costs on Oracle Cloud Infrastructure (OCI) is crucial. You can consider several options for implementation and support of the SMB protocol in OCI. In this blog post, we explore five solutions. Depending on the required business availability and the amount of data to be allocated, it’s important to evaluate which solution is the most suitable for your…