Scott Lowe

MAY 3, 2013

I try to keep the information linked to data center technologies like networking, storage, virtualization, and the like, but occasionally other items slip through. Some good advice here on scaling/sizing VXLAN in VMware deployments (as well as some useful background information to help explain the advice). Networking. Good post, Nick.

Vmware 123

Vmware Storage Virtualization HP 123

Scott Lowe

NOVEMBER 30, 2012

I adopted OS X as my operating system of choice in 2003 because I wanted a stable, powerful, UNIX-based operating system. Visit the site for more information on virtualization, servers, storage, and other enterprise technologies. Apple and VMware…or Xen? It’s a shame…but such is life.

Apple 149

Apple Operating Systems Applications Linux 149

Virtualized Greek

FEBRUARY 18, 2013

I’m a huge fan of VMware products. VMware has long been the thought leader in x86 virtualization products both on the desktop and in the data center. But no matter how much I and my peer like the solution, VMware impresses the wrong crowd and may be headed down the path of other great infrastructure technologies like Novell Netware.

Vmware 65

Vmware Development Cloud Data Center 65

Scott Lowe

DECEMBER 6, 2012

Bruce Davie and Martin Casado (with Nicira, now part of VMware) have written a post comparing the VXLAN and STT tunneling protocols. Operating Systems/Applications. I found this article on imperative vs. declarative system configuration is quite helpful in understanding Puppet’s declarative model. Until the 1.3

Vmware 115

Vmware Virtualization Storage Hardware 115

Scott Lowe

FEBRUARY 4, 2013

Operating Systems/Applications. Greg Schulz (aka StorageIO) has a couple of VMware storage tips posts you might find useful reading. Winston Bumpus of VMware’s Office of the CTO has more information in this post. The tool has recently been updated to help fix issues as well. Read here for more information.

Vmware 134

Vmware Virtualization Storage Network 134

Scott Lowe

APRIL 8, 2013

Operating Systems/Applications. If you’re a real storage geek (or if you’re not but are having trouble sleeping), check out this USENIX presentation on erasure coding in Windows Azure storage. Dmitry Ukov of Mirantis has a write-up on Swift and Ceph as object storage in OpenStack environments.

Storage 125

Storage Vmware Virtualization WAN 125

Scott Lowe

MAY 17, 2024

In this Technology Short Take, I have links on things ranging from physical network designs to running retro operating systems as virtual machines. Operating Systems/Applications Julia Evans digs into what “current branch” means in Git. Storage Steven Sklar explains how CSI (Container Storage Interface) works.

Linux 110

Linux Operating Systems Windows Virtualization 110

Scott Lowe

MARCH 15, 2024

VMware is patching a set of severe “sandbox escape” bugs. out of 10, and even VMware’s flagship ESXi hypervisor is affected. A new Bifrost remote access trojan (RAT) for Linux employs a number of techniques to remain hidden, including using a “VMware-esque” domain name for command and control servers.

Linux 113

Linux Vmware Load Balancer Malware 113

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. Operating Systems/Applications.

Storage 92

Storage Vmware Linux Virtualization 92

Scott Lowe

NOVEMBER 7, 2014

Nice use of VMware Fusion in part 2, by the way.). VMware, Vagrant, and Docker together is the subject of this blog post by Fabio Rapposelli. Operating Systems/Applications. It makes me wonder when VMware will announce support for CoreOS on vCloud Air. See part 1 and part 2 for the full details. Virtualization.

Vmware 87

Vmware Linux Storage Virtualization 87

Scott Lowe

MARCH 5, 2013

Operating Systems/Applications. Although these posts are storage-related, the real focus is on how the storage stack is implemented in a virtualization solution, which is why I’m putting them in this section. Well worth reading for VMware admins and architects. Virtualization. Technology Short Take #30.

Virtualization 108

Virtualization Storage Vmware Network 108

Scott Lowe

OCTOBER 8, 2021

Operating Systems/Applications. Cloudflare recently introduced its own object storage offering, announced in this blog post. Cloudflare recently introduced its own object storage offering, announced in this blog post. Eric Sloof has a link to a white paper from VMware on host power management in vSphere 7.0.

IPv6 97

IPv6 Storage Vmware Hardware 97

Scott Lowe

DECEMBER 6, 2013

Of course, I am a fan of network virtualization, since I work with/on VMware NSX.). Martijn Smit has launched a series of articles on VMware NSX. Want some additional information on layer 2 and layer 3 services in VMware NSX? Operating Systems/Applications. Here’s a good source. Any thoughts?

Vmware 60

Vmware Storage Linux Virtualization 60

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. Operating Systems/Applications. JJ Asghar takes a look at using VMware Photon OS as the backend Docker host OS for use with test-kitchen.

Vmware 60

Vmware Linux Storage Network 60

Galido

APRIL 11, 2017

The result allows administrators or users to run multiple operating systems and allocate shared resources on one computer, laptop or server simultaneously. There is hosted virtualization , where the virtualization software is installed on top of and sits on an operating system. Source: Intel. Virtualization Tips.

Virtualization 60

Virtualization Backup Vmware Operating Systems 60

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. Operating Systems/Applications.

Vmware 60

Vmware Virtualization Linux Windows 60

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. Adrian Roberts shares a walkthrough of running Photon OS and VMware Admiral in a vCloud Air Network environment.

Vmware 60

Vmware Linux Storage Load Balancer 60

Scott Lowe

JUNE 4, 2013

Operating Systems/Applications. If you aren’t using vSphere Host Profiles, this write-up on the VMware SMB blog might convince you why you should and show you how to get started. Visit the site for more information on virtualization, servers, storage, and other enterprise technologies. Virtualization.

HP 113

HP Virtualization Hardware Network 113

Scott Lowe

SEPTEMBER 3, 2013

VMware introduced VMware NSX recently at VMworld 2013. Prasenjit Sarkar, who works in VMware R&D, and runs the Stretch Cloud site , has a write-up on using Data Center Extension (DCE) to VMware vCloud Hybrid Service (vCHS). Operating Systems/Applications. This looks interesting. Very good stuff!

Vmware 60

Vmware Data Center Storage Virtualization 60

Scott Lowe

JUNE 11, 2014

Anthony Burke’s series on VMware NSX continues with part 5. Operating Systems/Applications. Tom has since moved on to CSC (via the vCHS team at VMware) and has launched a “next-generation” version of Razor called Hanlon. Here’s hoping you find something useful! Networking. Virtualization.

Vmware 60

Vmware Storage Virtualization Network 60

Scott Lowe

DECEMBER 8, 2016

Sirish Raghuram has some thoughts on the VMware-AWS announcement (about VMware Cloud on AWS) compared to the “Omni” announcement at the OpenStack Summit in Barcelona. Blueprints that demonstrate VMware-Chef integration. Operating Systems/Applications. Cloud Computing/Cloud Management. Good times.

Vmware 60

Vmware Storage Intel Virtualization 60

Scott Lowe

APRIL 3, 2016

Carlos Cardenas has a great post that does a great job of explaining SAI (Switch Abstraction Interface) and switchdev , two key abstraction layers involved in building Linux-based network operating systems (NOSes). VMware recently released version 0.8 Operating Systems/Applications. Good stuff. What is Platypus?

Vmware 60

Vmware Linux Network Virtualization 60

Scott Lowe

AUGUST 12, 2022

Operating Systems/Applications. For your fix of storage-related links, J Metz has relatively recently published Storage Short Take #47. Edwin Weijdema shares how he uses VMware Fusion 12 on his MacBook Pro (Intel-based, I’m assuming) to run a mobile lab with nested ESXi hypervisors. Programming.

Linux 90

Linux Virtualization Storage Hardware 90

Storage IO Blog

MARCH 21, 2016

Keep an eye on among others including Cisco (Servers), Dell (Servers), EMC (DSSD), HPE, Intel (Servers, Drives and Cards), Lenovo, Micron, Microsoft (Drivers, Operating Systems, Storage Spaces), NetApp, OCZ, Oracle, PMC, Samsung, Seagate, Supermicro, VMware and Western Digital (acquisition of SANdisk and HGST).

Vmware 40

Vmware Dell Oracle Intel 40

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. Operating Systems/Applications. Networking.

Vmware 60

Vmware Storage Engineering Network 60

Scott Lowe

SEPTEMBER 24, 2021

Better patch your vCenter Server instances, as VMware released a security advisory with a long list of CVEs , including one with a severity score of 9.8/10. Operating Systems/Applications. The AWS WorkSpaces client had a remote code execution flaw (versions before 3.1.9 are affected). See more details here. Thank you, Ben!

Open Source 107

Open Source Cloud Network Storage 107

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

SEPTEMBER 2, 2019

Last week at VMworld , I had the opportunity to meet with Lightbits Labs , a relatively new startup working on what they called “disaggregated storage.” So what is “disaggregated storage”? Lightbits has their own operating system, LightOS, which runs on industry-standard x64 servers from Dell, HP, Lenovo, etc.

Meeting 60

Meeting Storage HP Vmware 60

Scott Lowe

APRIL 8, 2014

Matthew Brender touches on a networking issue present in VMware ESXi with regard to VMkernel multi-homing. Operating Systems/Applications. It’s being called the “data plane” for software-defined storage. Update 1 upgrade that results in missing storage providers. ” Classic! PowerCLI 5.5

Vmware 60

Vmware Windows Virtualization Storage 60

Scott Lowe

MAY 4, 2017

Mircea’s right—bugs will happen in all software (VMware NSX has had its share, for example), but the key is in how it’s handled. Doug Youd of Cumulus has an excellent 3-part series on the use of LACP in VMware vSphere environments. Operating Systems/Applications. Want to keep your PowerShell Core up to date?

Vmware 60

Vmware Storage Network Examples 60

Scott Lowe

SEPTEMBER 8, 2016

Dmitri Kalintsev is back with another article in a series of articles on using hardware VXLAN tunnel endpoints (VTEPs) with VMware NSX. Here’s a handy post by Dale Coghlan on how to find object IDs for just about anything in a VMware NSX environment. Operating Systems/Applications. Servers/Hardware. DVM looks handy.

Vmware 60

Vmware Linux Intel Storage 60

Scott Lowe

OCTOBER 4, 2013

This gives me a total of eight servers, and the plan is to use them to build an internal OpenStack cloud running Ubuntu 12.04, KVM, Open vSwitch (OVS), and—ultimately—VMware NSX. Visit the site for more information on virtualization, servers, storage, and other enterprise technologies. Using Puppet for Account Management.

Cloud 76

Cloud Linux Vmware Dell 76

Scott Lowe

JANUARY 14, 2016

This is a fascinating (to me, at least) paper on the implications of non-volatile storage on today’s data centers (and data center hardware). Dwayne Sinclair (an NSX SE at VMware) has a write-up on what micro-segmentation is not. Operating Systems/Applications. Servers/Hardware. Virtualization.

Vmware 60

Vmware Devops Storage Linux 60

Scott Lowe

SEPTEMBER 5, 2013

Jeda Networks describes themselves as a “software-defined storage networking” company. Given my previous role at EMC (involved in storage) and my current role at VMware focused on network virtualization (which encompasses SDN), I was quite curious. If there is a better definition, please let me know.)

Meeting 74

Meeting Storage Hardware Network 74

Scott Lowe

SEPTEMBER 23, 2015

Not sure if this link belongs in Networking or in Virtualization, but we’ll stick it here since it talks about VMware NSX. Here’s a three-part series on running VMware NSX on vSphere on AWS via Ravello Systems ( part 1 , part 2 , and part 3 ). Operating Systems/Applications. Networking. Servers/Hardware.

Vmware 60

Vmware Cloud Windows Linux 60

Scott Lowe

JANUARY 19, 2018

This is pretty cool: a WYSIWYG topology designer for VMware NSX. The VMware Cloud-Native Apps group has a breakdown of some of the new features/functionality found in the 1.9 Richard Boswell has a series going on VMware Integrated OpenStack (VIO) and resource schedulers that is (so far) pretty good. Servers/Hardware. or higher).

Vmware 60

Vmware Open Source Linux Cloud 60

Scott Lowe

MAY 22, 2015

Welcome to Technology Short Take #51, another collection of posts and links about key data center technologies like networking, virtualization, cloud management, and applications/operating systems. Along with Docker, VMware worked with the Center for Internet Security (CIS) to prepare a security benchmark for Docker 1.6

Vmware 60

Vmware Network Virtualization IPv6 60