Data Center: Page

How to troubleshoot VMware vSphere Replication issues

When problems occur with the tool you use to protect your data, it's imperative to track down the logs that can help restore order.

By Stephen Bigelow • March 4, 2015

Take data center efficiency to the max on three-phase power

Three-phase circuits provide considerably more power efficiency to data center equipment, but phase balancing can trip up deployments.

By Robert McFarlane • Feb. 19, 2015

Master Linux service management on System V and systemd

Managing services on Linux is an essential task for administrators. Learn to work with either System V or systemd.

By Sander van Vugt • Feb. 13, 2015

How do I transfer a PS file from a mainframe to a Linux server?

I need to transfer one PS file's data from a mainframe to a Linux server. Are there any JCL scripts that can do this for me?

By Robert Crawford • Feb. 4, 2015

Can you virtualize a NetBackup master server?

I have only seen companies deploy a NetBackup master server on a physical server. Are there any drawbacks to using a VM as a NetBackup master server?

By Brad Casey • Jan. 30, 2015

Big data and analytics advice from an operations pro

You don't need to employ special IT personnel for big data analytics. One company uses big data for developers to modify ads and find and adjust pain-points in a game application.

By Sharon Zaharoff • Jan. 9, 2015

Eight data center technologies to test in the new year

As the hype from 2014 dissipates, the new year rings in hot new technologies. IoE, hybrid clouds and other tech innovations make the data center run more efficiently.

By Clive Longbottom • Jan. 9, 2015

How are SSD garbage collection, wear leveling and TRIM different?

While using solid-state drives in a vSphere environment can give a boost to VMs that require high performance, it's important to know how certain longevity features function in the storage hardware.

By Stephen Bigelow • Jan. 8, 2015

Linux network configuration turns positively wicked

Wicked replaces a lot of old Linux network configuration commands and utilities in SLES 12, making the OS more cloud friendly.

By Sander van Vugt • Jan. 8, 2015

How much longer will that SSD last in a vSphere server?

Even modestly sized SSDs can be more expensive than traditional hard drives, but do the benefits outweigh any concerns about longevity?

By Stephen Bigelow • Jan. 6, 2015

This data center cost calculator keeps you on budget

Calculating every data center expense can be challenging, but with the right spreadsheet -- and formulas -- you will accurately assess the total cost.

By Jim O'Reilly • Dec. 24, 2014

Data center maps lead IT to server treasure

Can't find the server that needs repairs or the right reboot button when the host blue-screens? A data center map is vital when disaster hits.

By Adam Fowler • Dec. 23, 2014

Which IBM 3592 tape cartridge has the highest capacity?

There are a bunch of IBM 3592 'J' tape designations. How do you order the right capacity for your tape drives? Do you take compression into account?

By Stephen Bigelow • Nov. 19, 2014

How do you define data center size, density?

With shifts in the scale and density of data centers, one industry organization is drawing up ways to standardize how we talk about data center size and power needs.

By Meredith Courtemanche • Nov. 5, 2014

How can an enterprise benefit from using a VMware vApp?

By developing a virtual appliance technology, VMware has given businesses a way to both bundle and manage multiple VMs into a single package.

By Stephen Bigelow • Nov. 3, 2014

A data center checklist for facility design and IT ops

Choose the right data center provider or facility now, and prevent costly errors and inadequate services later.

By Stephen Bigelow • Oct. 28, 2014

Create a SAN with the Linux LIO iSCSI target

With the LIO iSCSI target service, Linux shops have an affordable SAN option that ranks up there with expensive proprietary storage solutions.

By Sander van Vugt • Oct. 23, 2014

In-rack and in-row cooling options for any data center

Say no to CRAC and consider more selective data center cooling options. In-rack and in-row cooling systems are efficient and optimally dispel heat.

By Clive Longbottom • Oct. 17, 2014

Monitoring virtual CPU states to improve performance

A good understanding of vCPU run, wait and ready states can help deliver more responsive VMs.

By Alastair Cooke • Sept. 24, 2014

What’s the best data center network topology?

You need to know these most common data center network topologies, and check out a host of alternative topologies waiting in the wings.

By Ethan Banks • Sept. 16, 2014

The case for a leaf-spine data center topology

Three-layer network designs are last season's topology. The leaf-spine model is coming in hot, but can the advantages made data center designers forget about the weaknesses?

By Ethan Banks • Sept. 16, 2014

Centralized versus rack-mount UPS in telecom rooms

How does a rack-mount UPS stack up against a central data center UPS for telecom rooms? Money doesn't necessarily mean power.

By Robert McFarlane • Sept. 2, 2014

Business application hosting on-premises vs. cloud options

Is it better to look for a SaaS version of an app, put it in your own data center on existing equipment, or host it at a cloud provider for a mix of flexible scaling and IT ownership?

By Sharon Zaharoff • Aug. 28, 2014

VMware vSphere Fault Tolerance gets a makeover

Users left wanting to know more about vSphere 6.0 after day one of VMworld. Their wishes were granted on day two when VMware introduced new features in its latest suite of virtualization products.

By Ryan Lanigan • Aug. 26, 2014

EVO:RAIL creates buzz after release at VMworld 2014

VMworld 2014 started off with EVO:RAIL, the company's hyper-converged infrastructure. The release caused constant chatter on social media.

By Ryan Lanigan • Aug. 25, 2014