IT Operations
Yesterday Chris Leahy (my Technical Facilities Manager) and I were agonising over why we had low plenum pressure in our Data Center and why we were seeing symptoms of hot air trapped in the roof void. We looked at all the normal stuff:
Leaks in the plenum space
Badly sealed floor
Cable access holes improperly sealed
Blockages in the [...]
I don’t normally plug press releases straight from vendors but today I received an email from Emily Wood at Google with a message that I agree 100% with. Cooling data centers is not just about refrigeration – there are lots of options – many of which we have written about here on The Hot [...]
Back in 2008, Steve O’Donnell wrote an article here on The Hot Aisle explaining one of the challenges he set his team during his time at BT, the difficult task of getting Asset Management right.
To summarise, Steve kicked off an audit of the whole estate, and where owners couldn’t be found for kit on the floor, [...]
Recently The Hot Aisle conducted an online survey asking the question -
“How do you currently choose where to place equipment in your data centre?”
As usual we got a very large response to the survey with 5,580 respondants.
The results are in and it shows quite clearly that equipment placement is (to say the least) unsophisticated. A [...]
Next week, Iceotope will announce that it has developed, patented and manufactured an extreme IT equipment cooling solution. The solution tackles the problems of cooling servers in data centres all the way from the actual source of the heat – at the processor and memory component level – to its final destination – outside air by [...]
Google Docs now has a batch export facility for their documents created by the Data Liberation Front, a Google team setup to help customers leave.
“Imagine you want to move out of your apartment. When you ask your landlord about the terms of your previous lease, he says that you are free to leave at any [...]
A recent Hot Aisle poll about the use of hypervisor technology in enterprises offers some interesting insights.
96% of respondents use at least one hypervisor
44% of respondents use two or more hypervisors
16% of respondents use three or more hypervisors
98% of Hot Aisle readers know what a Hypervisor is (we are a smart bunch)
* The poll was [...]
I met up with my old friend Martin Williams yesterday; he is CEO of a startup company called ATOV. Apparently AtoV means Anarchy to Visualisation, which is exactly what they do.
Some firms have limited instrumentation to monitor their IT systems, some firms even have a Command Centre or Bridge Operations to react to outages in [...]
The Storage Area Network (SAN) is now a key component of most reasonably sized IT Infrastructures. The SAN we rely on today evolved from very humble beginnings into a mission critical Enterprise IT component. The first SANs were introduced to handle small numbers of enterprise scale systems (zSeries and iSeries computers from IBM) being connected [...]
Sometimes the IT business and technology in general gets it right by looking back into history for sensible solutions to intractable problems. By combining modern engineering with old designs we get something extremely smart. To provide stay up power whilst our engines get up to speed we can now use flywheel technology to store kinetic [...]
For some time I have been saying that a real IT shop would be ill advised to attempt consolidation to a single hypervisior. Why?
My sense is that we have two types of workload, the mission critical, drives the business applications and services that cannot fail. These are the Fedex Logistics platform, the eBay portal, the [...]
I have just finished a call with Adam Hawley, Oracle’s Director of VM Product Management, the guy who owns the whole Oracle Virtualization story and technology. It got me thinking about the Hypervisor marketplace, the players, product strengths and weaknesses as well as ability to execute. My colleage and friend, Mark Bowker (the Virtualization Guru) [...]
Over the last few months I have been thinking about data centers, how we power and cool them and what we put in them. I’ve been looking at what the very largest consumers of IT infrastructure do with their data centers compared to industry norms. The first take away is that almost none of them conform [...]
I am old enough to remember the 1960’s when IBM Mainframes used de-ionized water delivered by micro-bore pipes to cool the CPUs. (In fact I remember a spillage during a mainframe move that resulted in every single auto spares shop in south east England being raided for deionized water).
In a recent statement IBM claim that direct [...]
I spend a lot of time thinking about data centers and how to make them better, more efficient, more reliable, higher performance , easier to maintain and cheaper to run. Lots of very smart and experienced people have been doing the same for many years and whilst there is no single, agreed best practice, model [...]
Cloud computing changes things, it makes administration and management of an X.86 environment easier and more automated. But until now the real goodies of VMWare’s product set, VMotion and VSphere have been limited to the small number of organizations that can afford to install a SAN. You see shared storage is a necessity in VMWare’s [...]
There are some pretty big movements happening right now resulting from the Cisco announcement of California – Unified Computing System (UCS) – their networked server offering. Politically this has partially alienated HP and IBM, who have big Server businesses and also buy a ton of Cisco equipment. So we are seeing a polarization of network [...]
For some time I have been working on and thinking about a Data Center Efficiency Maturity Model to help us poor operational folks work out just how well or badly we are doing on a scale of one to five. I have also been doing some thinking about a Continuous Migration Architecture (CMA) that recognizes [...]
I have just spent the last few days at EMC World in Orlando (Florida) getting wet hearing the cloud and virtualization story unfold. We saw lots of clouds in the skies over Orlando as we endured a pretty constant downpour from Sunday when I arrived.
There is no doubt that virtualization is warming up with lots [...]
The team have been working with Fusion-io this week on tuning the large data warehouse application that used to run like a dog. Initial results show that it is at least 18 times faster using the iDrives than a large and expensive EMC DMX4 array.
This might be controversial, but yes we should allow cellphones into the Data Center. Here’s the thinking behind the answer.
Way, way back many enterprise data center operators were having huge problems with Sun SPARC I servers, like the Sun 4500, unexplained crashes, hang-ups and other strange events. At the same time rumors started circulation about [...]
I took these photographs a bit over two years ago at the BT Reuters Data Center in Nutley New Jersey. They show a large CRAC Unit in the process of being installed. Note the copper piping, solder joints, open floor void and general mess that is involved in installation and commissioning. This is not something [...]
One of the strangest things about IT people is that they often miss the obvious until it is explained to them (sometimes with the aid of a hammer). We are all so used to following the rules and doing what everyone else does. This particularly applies to IT Operations, also known as the Command Centre [...]
The Daily Mail reports that a UK Government investigation was launched after the personally identifiable information (PII) of more than a million bank customers was found on a computer sold on eBay.
Highly sensitive information on American Express, NatWest and Royal Bank of Scotland customers was found on the disk array sold for £35.88 (about $72).
The [...]
