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Seven issues IT staff should know about storage

Seven issues IT staff should know about storage

Thanks to virtualisation and a host of other technologies, storage has left its silo. Its performance affects the whole computing organisation. Fortunately, new technologies that cross the boundaries of storage, management and compliance are smoothing over performance issues and easing the pain (and expense).

But you've got to be in the know to make use of them. Here are seven storage truths that every IT person should understand.

1. You might be spending too much money on storage and still not getting performance gains

Optimising storage isn't about buying new stuff , says Mark Diamond, CEO at storage-consulting firm Contoural. It's about determining whether the data you've created is stored in the right place. This discussion goes beyond the basic concept of using inexpensive disk to store data and delves into how the disk is configured, especially when it comes to replication and mirroring.

"We typically see that 60 percent of the data is overprotected and overspent, while 10 percent of the data is underprotected — and therefore not in compliance with service-level agreements," Diamond says. "Often, we can dramatically change the cost structure of how customers store data and their SLAs, using the same disk but just configuring it differently for each class of data."

2. Application-centric monitoring tools can help boost SAN performance

Users who get great performance out of their storage-area networks SAN have discovered application-centred monitoring for storage performance.

For instance, the Affinion Group is testing a combination of Onaro's Application Insight and Sanscreen Foundation monitoring tool. "We could be alerted in real time of any performance spikes and hopefully be informed of any issues that could cause an outage, before someone calls from the business line," says storage specialist Raul Robledo. "We wouldn't need to get inquiries or notification from individuals. We would be getting those right from a product that's monitoring our environment."

A host of other products have entered the category of storage optimisation, too.

3. Green storage technologies can cut energy bills without sacrificing performance

Storage isn't the biggest energy hog in the datacentre, but new technologies can still help cut back on its power consumption by as much as 20 percent, users say. Even using storage space more efficiently can cut down on wasted capacity, experts say. This means spending less on storage in the long run.

At San Diego Supercomputer Centre, Don Thorp, manager of operations, looked to Copan Systems, one of a handful of relatively new, smaller green storage vendors. He reports that storage consumption is down by 10 percent to 20 percent since switching to Copan Systems last July.

Many more such vendors are entering the market.

4. Advanced backup-management tools ease auditing and compliance

Over the last several years, numerous vendors have taken backups from boring to remarkable by rolling out fancy backup-management tools.

Spun off from the broader storage-resource management market, these tools, of course, monitor and report on backups of products from multiple vendors. But they also give IT administrator an at-a-glance picture from a single console, in real time and historically.

Heterogeneous backup-management tools are available from various niche vendors and the mainstream storage biggies.

5. Storage virtualisation appliances can give you a single storage system for both backups and live storage

Just ask the University of Florida College of Veterinary Medicine (UFCVM). Over the last six months, the college has been putting its 7TB storage area network through its paces, using it for nearline backup and primary storage.

UFCVM relies on Storage Virtualisation Manager, a virtualisation appliance from Storage Networking Technologies, now owned by LSI. The SAN setup reduced backup times by half, and the project came in under budget, says Sommer Sharp, systems programmer for the college in Gainesville, Florida.

Provisioning is a painless matter of moving volumes to any server that needs it, so live data can be managed as easily as backups.

6. Lawsuits are a fact of life and sloppy e-discovery can cost you millions

With lawsuits comes the obligation for discovery — production of evidence for presentation to the other side in a legal dispute. With 95 percent of all business communications created and stored electronically, that puts a heavy burden on IT to perform e-discovery, finding electronically stored information.

In the US court system, the onus of e-discovery took on new weight in December last year, when amendments to the Federal Rules of Civil Procedure (FRCP) took effect. "With the amendments to the FRCP, the courts are saying, 'We know the technology exists to do this stuff. We want to see you take some reasonable steps to put processes and technologies together to do e-discovery. And if you don't, we're really going to hold you accountable for it,'" says Barry Murphy, principal analyst at Forrester Research.

7. Storage grid standards could put an end to proprietary storage management

The Open Grid Forum, a standards organisation focused on Grid Computing, is working on a variety of standards for the compute, network and storage infrastructure, all the way from describing jobs to being able to move and manage data, says Mark Linesch, who heads the organisation.

Work is progressing around defining a grid file system and naming schemes, and developing a storage resource manager for grids. The group is collaborating with other standards bodies like the Distributed Management Task Force and the Storage Networking Industry Association.

The ultimate goal is to enable proprietary storage vendors to make their gear interoperable.

For more insights into how next-generation technologies will influence your network, visit the New Data Centre Storage research centre.


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