Virtualized clusters and high-performance computing Definitions

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C
Cluster Labs Pacemaker

Pacemaker is an open source high-availability cluster software developed from a collaboration between Red Hat and Novell.
I
I/O fencing (input/output fencing)

I/O (input/output) fencing is the isolation of a malfunctioning node from a cluster's shared storage to protect the integrity of data.
S
STONITH (Shoot The Other Node In The Head)

STONITH (Shoot The Other Node In The Head) is a Linux service for maintaining the integrity of nodes in a high-availability (HA) cluster.
stretched cluster

A stretched cluster is a deployment model in which two or more virtualization host servers are part of the same logical cluster but located in separate geographical locations.
V
virtual machine (VM)

A virtual machine (VM) is a software computer that, like a physical computer, runs an operating system and applications.

Get organized with a VMware management cluster

Keep VMware tools, as well as select hardware and software, safe and organized with a management cluster. If an issue comes up, ...

Manage and maintain a VMware VMFS Datastore

Follow these steps to scan for new storage devices, create a Virtual Machine File System Datastore, mount and dismount a VMFS ...

Navigate VMware EVC disadvantages during live migration

Traditional VMware vMotion migration relies on hardware similarities. VMware EVC mode enables live migration despite differences,...

SearchWindowsServer

August Patch Tuesday closes CPU bug, two zero-day exploits

Administrators have their work cut out for them, with more than 60 vulnerabilities to handle for August Patch Tuesday, after ...

Set up Office 365 alerts to keep threats at bay

Office 365 offers administrators integrated tools to warn the IT staff about potential attacks or breaches of conduct. Find out ...

Exchange 2013 hybrid to Exchange 2016 hybrid considerations

Part of the work required for a successful shift from one hybrid Exchange environment to another is to have a full understanding ...

SearchCloudComputing

Legacy roots still hinder Oracle and IBM cloud strategies

As IBM and Oracle look to shift away from legacy systems and hone in on IaaS, it won't be a clean cut. Still, each vendor has its...

Map application dependencies to prepare for cloud migration

The practices a development team puts in place to manage dependencies before a move to the cloud will determine how smoothly apps...

Evaluate speech-to-text services from AWS, Microsoft and Google

AWS, Microsoft and Google dictation services can infuse cloud applications with helpful speech-to-text capabilities. Here's an ...

SearchVirtualDesktop

What VDI shops get wrong with virtual desktop image management

There are several common mistakes VDI shops make, including allowing users to gain elevated privileges, that make it more ...

Can you manage virtual desktop user profile settings?

IT can control virtual desktops more directly with user profile management. Take this quiz to find out if you know about the ...

Deliver desktop and app virtualization for mobile devices

If IT pros want to provide their users with access to virtual desktops and apps on mobile devices, they should know which vendors...

SearchDataCenter

Converged data center migration practices to avoid data loss

Refreshing data center hardware is no simple task, especially for organizations with multiple workflows. Before completing an ...

14 SIEM reports and alerts to boost security

Setting up an SIEM reporting infrastructure requires an overall knowledge of what data capture is available. With standard ...

IBM Power9 servers add reliability, reduce maintenance costs

IBM looks to grab high-end hardware market share from archrival Intel with the introduction of two Power9 servers that offer ...