Storage IO Blog

FEBRUARY 1, 2015

There are different reasons for benchmarking, such as, you might be asked or want to know how many IOPs per disk, Solid State Device (SSD), device or storage system such as for a 15K RPM (revolutions per minute) 146GB SAS Hard Disk Drive (HDD).

Storage 40

Storage Vmware Devops Backup 40

Scott Lowe

APRIL 6, 2017

Humair Ahmed of VMware shares some details on a new control plane resiliency feature recently added to VMware NSX: Controller Disconnected Operation (CDO) mode. Here’s a handy list of deprecated Linux network commands and their replacements. Konstantin Ryabitsev has a series going on securing a SysAdmin Linux workstation.

Vmware 60

Vmware Linux Storage Network 60

Scott Lowe

SEPTEMBER 11, 2012

This is session COMS002, titled “Next Generation Cloud Infrastructure with Data Plane Virtualization.” Verplanke believes that DPDK (Data Plane Development Kit) and virtualization are key to virtualizing workloads that move around lots and lots of packets, such as firewalls, routers, and other similar functions.

Virtualization 113

Virtualization Intel Cloud Data 113

CIO Business Intelligence

JULY 13, 2022

The result of years of consolidation, the sprawling facility was the home of more than 40 networks, different virtualization platforms and hypervisor levels, nearly 10,000 virtual machines, 585 servers, and a massive collection of legacy software. The team also had to address the very old versions of Linux and Oracle still in use.

Software 105

Software Software Vmware Data Center 105

Virtualized Greek

APRIL 11, 2013

We are looking at the enterprise that is highly virtualized, which looking at the market means VMware or Hyper-v with or KVM and others to a much lessor extent. I believe I’m of the same ilk of the typical traditional VMware enterprise sysadmin. Most Linux admins wouldn’t have too much of a problem installing the solution.

Vmware 69

Vmware Data Center Cloud Virtualization 69

Scott Lowe

JUNE 24, 2022

BPFDoor, as it is known, is a passive backdoor that allows threat actors to remotely connect to a Linux shell. Although it isn’t technically specific to storage, there are significant storage themes in this article on what might happen if you lock yourself out of your digital life. Virtualization. Think again.

Vmware 74

Vmware Linux Storage Virtualization 74

Scott Lowe

OCTOBER 8, 2021

Nice to see that work on getting Linux up and running and fully functional on Apple’s proprietary M1 chips is progressing well. Cloudflare recently introduced its own object storage offering, announced in this blog post. Virtualization. Feel free to hit me up on Twitter if you have any feedback.

IPv6 97

IPv6 Storage Hardware Vmware 97

Scott Lowe

NOVEMBER 7, 2014

It was good to read this post on Cumulus Linux first impressions by Jeremy Stretch. I’m a fan of Cumulus, but I’m admittedly a Linux guy (see here ) so you might say I’m a bit biased. Jeremy is a “hard-core” networking professional, and so hearing his feedback on Cumulus Linux was, in my opinion, useful.

Vmware 69

Vmware Linux Storage Virtualization 69

Scott Lowe

AUGUST 27, 2021

I have a fairly diverse set of links for readers this time around, covering topics from microchips to improving your writing, with stops along the way in topics like Kubernetes, virtualization, Linux, and the popular JSON-parsing tool jq. Michael Kashin shares the journey of containerizing NVIDIA Cumulus Linux. Virtualization.

Linux 90

Linux Load Balancer Malware Virtualization 90

Scott Lowe

FEBRUARY 16, 2017

The rise of the disaggregated network operating system (NOS) marches on: this time, it’s Big Switch Networks announcing expanded hardware support in Open Network Linux (ONL) , upon which its own NOS is based. I use OTR with Adium on OS X, and OTR with Pidgin on my Fedora Linux laptop.). Networking. Servers/Hardware. Check this out.

Vmware 60

Vmware Linux Storage Load Balancer 60

Scott Lowe

DECEMBER 6, 2013

A fan of network virtualization might also say that decomposing today’s complex physical networks into multiple simple logical networks on top of a simpler physical transport network—similar to Mike’s suggestion of converging on a smaller set of reference architectures—might also help. (Of Here’s a good source.

Vmware 60

Vmware Storage Linux Network 60

Scott Lowe

MAY 27, 2022

network virtualization). Is the relationship between network virtualization and service mesh closer than some folks might wish to admit? For relevant storage news, I’d recommend having a look at J Metz’ Storage Short Take 42. Virtualization. Servers/Hardware. Career/Soft Skills.

Virtualization 79

Virtualization Storage Programming Network 79

Scott Lowe

JULY 22, 2013

The networking “old guard” likes to talk about how x86 servers and virtualization create network bottlenecks due to performance concerns, but as Ivan points out in this post , it’s rapidly becoming—or has already become—a non-issue. (By Virtualization. Seriously.). Here’s one idea. Servers/Hardware.

Vmware 106

Vmware Virtualization Network Linux 106

Scott Lowe

JUNE 2, 2016

Anthony Burke has written a script that uses VMware NSX to protect VMware Log Insight instances. Dmitri Kalintsev examines some options for addressing storage-related connectivity in NSX environments. Ajeet Singh Raina has a write-up on running Docker Datacenter on VMware vSphere. Virtualization. Networking.

Vmware 60

Vmware Virtualization Linux Windows 60

Storage IO Blog

OCTOBER 25, 2017

Introducing Windows Subsystem for Linux WSL and Overview. Microsoft has been increasing their support of Linux across Azure public cloud, Hyper-V and Linux Integration Services (LIS) and Windows platforms including Windows Subsystem for Linux (WSL) as well as Server along with Docker support.

Linux 47

Linux Windows Microsoft Cloud 47

Scott Lowe

AUGUST 11, 2016

In this post you’ll find a collection of links to articles discussing the major data center technologies—networking, hardware, security, cloud computing, applications, virtualization…you name it! (If Numan Siddique describes the native DHCP support available in OVN (Open Virtual Network). Is the era of the storage admin over ?

Vmware 60

Vmware Hardware Storage Linux 60

Scott Lowe

OCTOBER 8, 2021

Nice to see that work on getting Linux up and running and fully functional on Apple’s proprietary M1 chips is progressing well. Cloudflare recently introduced its own object storage offering, announced in this blog post. Virtualization. Feel free to hit me up on Twitter if you have any feedback.

IPv6 60

IPv6 Storage Hardware Vmware 60

Scott Lowe

NOVEMBER 25, 2020

You may have heard of eBPF, the Linux technology that is reshaping Linux applications (and in some ways reshaping Linux itself). Something about Linux, and Fedora in particular, just keeps drawing me back. What a time to be alive: Microsoft has its own Linux distribution. Virtualization. Good stuff!

Linux 60

Linux Vmware Open Source Examples 60

Scott Lowe

NOVEMBER 17, 2016

Cumulus Networks recently introduced the Cumulus Linux Network Command Line Utility (NCLU) , which provides a more unified front-end to configuring switches running Cumulus Linux. Kevin Houston discusses workload acceleration options—specifically, storage acceleration via NVMe or PCIe SSDs—for blade servers. Virtualization.

Linux 60

Linux Vmware Storage Network 60

Scott Lowe

OCTOBER 5, 2012

Some folks from Nicira (now part of VMware) recently published a blog post discussing the OVSDB IETF draft (see here ). Erik Smith, notably known for his outstanding posts on storage and FCoE, takes a stab at describing some of the differences between SDN and network virtualization in this post. storage enhancements.

Storage 92

Storage Vmware Linux Virtualization 92

Scott Lowe

DECEMBER 8, 2016

This is an interesting project to watch, I think—it’s porting OVN (Open Virtual Network) from a “traditional” OvS back-end to an IOVisor-based back-end (IOVisor implements the data plane in eBPF). Blueprints that demonstrate VMware-Chef integration. Virtualization. on Ubuntu 16.04. Cloud Computing/Cloud Management. Good times.

Vmware 60

Vmware Storage Intel Virtualization 60

Scott Lowe

MARCH 17, 2016

At DevOps Networking Forum 2016, I had the opportunity to share a presentation on some Linux networking options. I recently came across a couple useful troubleshooting guides, one for Open vSwitch (OVS) and OpenStack Neutron and one for VMware NSX. Have fun reading! Networking. It’s a pretty interesting read, in my opinion.

Vmware 60

Vmware Linux Network Open Source 60

Scott Lowe

FEBRUARY 6, 2014

In the process, he muses about the value of configuration management tool chains such as Chef and Puppet in a world of “open switch” platforms such as Cumulus Linux. Speaking of Cumulus Linux…did you see the announcement that Dell has signed a reseller agreement with Cumulus Networks? Operating Systems/Applications.

Linux 60

Linux Vmware Storage Virtualization 60

Scott Lowe

AUGUST 8, 2014

Welcome to Technology Short Take #43, another episode in my irregularly-published series of articles, links, and thoughts from around the web, focusing on data center technologies like networking, virtualization, storage, and cloud computing. Another series on VMware NSX has popped up, this time from Jon Langemak. Networking.

Vmware 60

Vmware Linux Virtualization Network 60

Scott Lowe

JANUARY 28, 2016

The rise of Linux in importance in the networking industry continues, with Arista announcing enhancements to Arista EOS to support—among other things—Docker containers. As a partial counterpoint to the increased use/visibility of Linux in the networking industry, check out Ivan’s take on Dell’s OS10 announcement. Networking.

Vmware 60

Vmware Linux Open Source Devops 60

Scott Lowe

AUGUST 5, 2014

I have a total of four session proposals submitted this year: MIT and VMware: Taking IT to OpenStack Private Cloud. OpenStack for VMware Operators. VMware Sessions. Visit the site for more information on virtualization, servers, storage, and other enterprise technologies. Virtualization Congress 2009 Sessions.

Vmware 60

Vmware Virtualization Policies Linux 60

Scott Lowe

JULY 21, 2016

First up, there’s a great article on using IPVLAN with Docker and Cumulus Linux (with a tie back to sFlow, naturally!). Here’s a walkthrough by Cody Bunch on setting up BGP on Linux with Cumulus Quagga. These posts are a bit slanted toware VMware vSphere environments, but very detailed, very thorough, and very useful.

Vmware 60

Vmware Linux Storage Hardware 60

Scott Lowe

AUGUST 27, 2021

I have a fairly diverse set of links for readers this time around, covering topics from microchips to improving your writing, with stops along the way in topics like Kubernetes, virtualization, Linux, and the popular JSON-parsing tool jq along the way. Michael Kashin shares the journey of containerizing NVIDIA Cumulus Linux.

Linux 60

Linux Load Balancer Malware Virtualization 60

Scott Lowe

NOVEMBER 30, 2018

Christian Kellner provides a brief reminder that not all USB-C ports are Thunderbolt ports, and updates everyone on the status of bolt (Linux utility for working with Thunderbolt ports and peripherals). J Metz has launched his own, storage-focused “Short Takes” series; the first of these is found here. Virtualization.

Vmware 60

Vmware Authentication Virtualization Storage 60

Scott Lowe

JANUARY 19, 2018

This is pretty cool: a WYSIWYG topology designer for VMware NSX. Barry Peddycord shares an update on Ansible support for the Cumulus Linux NCLU. The VMware Cloud-Native Apps group has a breakdown of some of the new features/functionality found in the 1.9 Klaus Aschenbrenner shares how he designed his VMware vSAN-based home lab.

Vmware 60

Vmware Open Source Linux Cloud 60

Scott Lowe

JANUARY 14, 2016

Cumulus VX, if you aren’t aware, is a community-supported virtual appliance version of Cumulus Linux aimed at helping folks preview and test “full-blown” Cumulus Linux (which, of course, requires compatible hardware). Dwayne Sinclair (an NSX SE at VMware) has a write-up on what micro-segmentation is not. Virtualization.

Vmware 60

Vmware Devops Storage Linux 60

Scott Lowe

JUNE 18, 2017

Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). Colin Lynch shares some details on his journey with VMware NSX (so far). I wouldn’t take this information as gospel, but here’s a breakdown of some of the IPv6 support available in VMware NSX.

Windows 60

Windows Vmware Virtualization Linux 60

Scott Lowe

JUNE 18, 2017

Sjors Robroek describes his nested NSX-T lab that also includes some virtualized network equipment (virtualized Arista switches). Colin Lynch shares some details on his journey with VMware NSX (so far). I wouldn’t take this information as gospel, but here’s a breakdown of some of the IPv6 support available in VMware NSX.

Windows 60

Windows Vmware Virtualization Linux 60

Scott Lowe

FEBRUARY 9, 2018

Sam McGeown has a nice diagram of the communications channels between the various VMware NSX components. Michael Wittig shares some details on migrating to Amazon Linux 2. Nick Korte shares some “lessons learned” as his team explored VMware vSAN as a storage solution. Virtualization. Career/Soft Skills.

Vmware 60

Vmware Linux Network Storage 60

Scott Lowe

DECEMBER 29, 2016

Andrey Khomyakov shares some information on automating the setup of whitebox switches running Cumulus Linux in part 2 of this series on learning network automation. Michael Preston shares his thoughts on containers in a post titled “A VMware guy’s perspective on containers.” Alpine Linux 3.5 Virtualization. Neat trick!

Vmware 60

Vmware Linux Open Source Data Center 60

Scott Lowe

NOVEMBER 10, 2017

VMware recently released an updated to PowerCLI (version 6.5.3), and with it comes a set of cmdlets that provide low-level access to the NSX-T REST API. Lior Kamrat has a multi-part series on an architecture that blends Mesosphere DC/OS, Azure, Docker, and VMware vSphere. VMware recently released version 2.0 Virtualization.

Vmware 60

Vmware Storage Engineering Network 60

Scott Lowe

DECEMBER 27, 2019

Teammate Alex Brand has a look at VMware’s new OVS-based CNI plugin, Antrea. I recently saw an article stating that VMware is going to use Minio as the object storage platform for Kubernetes, but the evidence presented in the article is anything but convincing. Virtualization. Spend time with your family instead.

Open Source 60

Open Source Vmware Authentication Storage 60