Denny Cherry

Principal Consultant, Denny Cherry & Associates Consulting

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, vSphere and Enterprise Storage solutions. Denny’s areas of technical expertise include system architecture, performance tuning, security, replication and troubleshooting. Denny currently holds several of the Microsoft Certifications related to SQL Server for versions 2000 through 2008 including the Microsoft Certified Master as well as being a Microsoft MVP for several years.  Denny has written several books and dozens of technical articles on SQL Server management and how SQL Server integrates with various other technologies. Twitter: @mrdenny

Posts in Troubleshooting SQL Server Storage Problems view all

Jan 05, 2012

Should the disks that you are backing up be aligned?

In short, yes. The LUN or disk which hosts the backups is probably the disk which needs the most write performance....More
Dec 28, 2011

What perfmon counters can I trust when using SAN disks?

Knowing which counters can be trusted to give you valid information and which counters can't be trusted is very important to properly monitoring and....More
Dec 21, 2011

Me and My New Crucial M4 SSD

So a few weeks ago I got a nice little present in the mail from Crucial. It was one of their nice new(ish) M4 SSDs with a massive 256 Gigs of free....More
Dec 14, 2011

Should I be using Fiber Channel, iSCSI or FCoE?

This is really an it depends question. There are a variety of things which can influence which technology you select....More
Dec 07, 2011

Can the fiber channel switch be a bottleneck?

While it isn't the most common place that a performance bottleneck can happen, the fiber channel switches or Ethernet switches if you are using iSCSI....More
Nov 29, 2011

When do I want to look at IOPs and when megs per second?

IOPs and Megs Per second are two very different numbers, and there are specific times when you want to look at each one....More
Nov 22, 2011

What are the seconds per read and seconds per write counters for?

When and why should I be looking at the seconds per read / write counters?....More
Nov 15, 2011

Can't I just build my own SAN using commodity hardware?

It really comes down to what you want to spend your money on, managing your systems or building the storage array....More
Nov 08, 2011

What are the benefits and issues with booting SQL Servers from the SAN?

The benefits of booting your server's from the SAN come from the manageability side of things, while the down sides come in the performance side of....More
Nov 02, 2011

11 Glorious Sessions on Storage and Virtualization

In this 11 session class we will learn all about enterprise storage and virtualization so that as the DBA we can make intelligent decisions about how....More
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