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Posted by Philip Alsop on 31/01/2012
SSDs - can you afford to ignore them anyh longer?
SSDs have come a long way since they were first put forward as an enterprise storage medium.

Even allowing for the 'best case' examples that vendors are always going to put forward to promote their wares, the economic argument to deploy solid state disk in the data centre is all but irresistable. Power consumption of SSDs can be as low as 5 watts per terabyte, and the performance of SSDs mean that, it could just be possible to replace as many as 14 racks of 15k spindles, with just one rack of Flash memory - quite a footprint saving. And the like for like power draw favours SSDs by as much as an 80% reduction in power consumption when compared to spinning disks...


Yes, add a pinch of salt if you will, but one SSD vendor spoken to recently believes that, leaving aside any performance benefits, the argument for replacing spinning disks with SSDs could be won on OPEX alone.

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Posted by Phil Alsop on 20/01/2012
Keep it clean
Only Rip Van Winkles may have missed out on the data centre energy efficiency focus, but plenty of wide-awake data centre managers might not be quite so familiar with the need for data centre cleanliness. This is not to suggest that employees' nails and shirt collars need checking for dirt, rather the facility itself needs to be as clean as possible to ensure that the IT kit is working as efficiently as possible and not going to fail due to dust or other sources of contamination.

Much of the problem can be avoided, according to 8 Solutions CEO, Mark Plant, with proper care and attention, but the reality is that, sooner or later, any data centre will need some kind of a clean – whether it’s simply a surface clean, or a deep, clinical clean that goes under the raised floor, into the ceiling voids, under/over/into the cabinets themselves.

At the worst end of the scale, poorly trained subcontractors coming into a data centre environment can bring vast amounts of dust with them (the toolbox is a ‘favourite’ location), unpack new IT equipment in the data centre itself – and then leaving the packaging under the floor, where it joins a host of cable ties and bits of cable, discarded air filters and other rubbish.

Without a proper cleaning regime, contamination can end up blocking as much as 50 per cent of a servers air intake, for example – not, I suspect, something that is generally included in the average data centre power and cooling review.

And then there’s the cases where the person mopping the floor is none too careful, and water slops up the side of the cabinets, or the floor is polished to such an extent that it loses its anti-static property.

This blog is not intended to scaremonger, nor promote the services of 8 Solutions specifically, rather to raise the issue of data centre contamination, and to make sure that it’s on the data centre management list.

However, 8 Solutions is currently offering a free, 20 point Health Check, where it will come and look at everything from the sub-floor to the ceiling voids and write up a report. No doubt, other companies are also available to do likewise.

The point is, not so much who carries out the contamination assessment, but the fact that one is done at all. After all, your PUE might be approaching the sub zero level, and your ICT infrastructure the best that money can’t buy, but nobody yet found a way of magicking away dust…

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SNS Europe TV Video Blogs

Exclusive video blogs recorded for SNS Europe TV by leading IT partners.

 

19 Aug 2011 | BC/DR

Document processing and storage

Simon Shorthose, MD of ReadSoft, looks at the latest trends in the document processing market and explains what impact this will have on enterprise storage requirements.

24 Jul 2011 | SAN/NAS

SAN Optimisation

Mike Royal, from Unilever, explains how, thanks to Virtual Instruments, Unilever can now accurately profile application performance patterns over time to dynamically optimise infrastructure.

4 Apr 2011 | Data Centres

Continuous availability for the mobile workforce

How best to ensure application availability and contunuity as more and more employees are empowered to work where and when they want.

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