Most Recent Blog Posts

man sprinting through datacenter
Oct 30, 2013

SQL Server High Availability with Amazon EC2

DataKeeper Cluster Edition from SIOS Technology can be used to provide a SQL Server high availability solution within the Amazon EC2 environment....More
Oct 22, 2013

Other Tools For Measuring I/O?1

There are a few different ways to monitor the I/O workload of a server. The easiest for the database administrator to use will always be Performance....More
Sep 05, 2013

Virtual Clustered SQL Servers Get a Big Feature in VMware 5.51

There are a lot of folks out there who have SQL Server clusters setup under Hyper-V and VMware. One of the issues on the VMware side of things has....More
Aug 01, 2013

Massive Speed and High Availability

One of the things people are always trying to figure out is how to get high-speed disks and high availability (HA) all in a single package. A....More
Nov 26, 2012

Can LUNs Be Extended Online Under VMware and Hyper-V?2

There's no reason whatsoever to take any sort of outage when expanding a LUN either in a virtual or physical environment. Here's the process,....More
Nov 20, 2012

Should I Be Using SAN Snapshots as a Backup Solution?5

As the DBA I want to control the database backups and I don't want to be using SAN Snapshots as a backup, because no matter what any vendor says a....More
illustration of a virtual server
Sep 25, 2012

I Have A Love/Hate Relationship with VMware Capacity Planner1

While the VMware Capacity Planner can be a useful tool, it must be validated before being acted on....More
USB jump drive being plugged into computer
Sep 05, 2012

SQL Server 2012 Databases on File Shares

The biggest thing that you’ll want to do is make sure that the local server and the server running the remote network share are both running the....More
Aug 21, 2012

SQL Server and Windows Server 2012's ReFS File System1

So a while back I talked about the ReFS file system which Microsoft was introducing to Windows Server 2012 (back then it was Windows 8 beta). If you....More
bull dog with glasses sleeping on an opened book
Jun 05, 2012

Some Storage Vendors Just Don't Have a Clue About Databases - Redux

Their storage and backup teams may not know much about databases, but they know when to admit they were wrong....More
magnifying glass looking at the word clue
May 16, 2012

Some Storage Vendors Just Don't Have a Clue About Databases1

As database designers we would love to be able to create all our indexes based on ordered values which only increase so that we wouldn't have to....More
computer compact disk being inserted into hard drive
Mar 14, 2012

Why am I Limited to 25 Instances on a Windows Cluster?1

While building a 25 instance cluster isn't the best idea, I still want to!....More
Mar 07, 2012

Reindexing Operations, Database Mirroring, and Slow Storage2

When planning out the hardware and network configuration for a database mirroring configuration you need to plan for more than just the normal....More
Mar 06, 2012

My Results Using a Pure Storage SSD Based Storage Array

A little while ago I was presented with the chance to do some testing on a brand new storage array that has come to market from Pure Storage. A lot....More
Feb 23, 2012

SAN Replication vs. Clustering vs. Mirroring

These are three very different technologies that for the most part aren't competing with each other, but instead are complementary to each other....More

Denny Cherry

Denny Cherry is the owner and principal consultant for Denny Cherry & Associates Consulting and has over a decade of experience working with platforms such as Microsoft SQL Server, Hyper-V,...
What's Troubleshooting SQL Server Storage Problems?

Practical advice, insight, and help for core SQL Server considerations.

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