Storage Management Strategies for the CIO
Access "EMC Launches Space-Saving Copy Option for Symmetrix"
This article is part of the Vol. 2 No. 5 July 2003 issue of Evaluating the benefits of IP SANs
AEMC Launches Space-Saving Copy Option for Symmetrix favorite knock against high-end enterprise arrays such as EMC's Symmetrix, Hitachi Data Systems' (HDS) Lightning and IBM's Shark is that it costs an arm and a leg to protect them because the point-in-time cloning software they employ requires a one-for-one mirror of hardware and disk capacity. Now EMC has added copy-on-write snapshot software to the list of options you can purchase for Symmetrix. Called EMC Snap for Symmetrix, the software uses only about 30% of the disk space required to make a copy with TimeFinder, EMC's point-in-time cloning software. It works by making a pointer-based virtual copy of a volume, to which it subsequently writes only those blocks of data that are about to be changed in the physical base volume. But snapshots aren't for every environment, says EMC's Chuck Hollis, vice president of storage platform marketing. While snapshots cost less in terms of disk space, the snapped image relies on the same underlying physical block data, which can cause a performance hit. For example, ... Access >>>
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Close the IM Loophole
NYSE sends message about instant messages
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Taming HBAs
by Jerome Wendt
Installing, configuring and maintaining Fibre Channel host bus adapters (HBAs) is the bane of many SAN administrators. Thankfully, these new cards offer better management tools.
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When a Mighty Wind Blows into Town
South Floridian IT managers don't worry a whole lot about terrorism, but there's one thing they do worry about: hurricanes.
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Virtual SANs put to the test
by David Braue
Cisco's new virtual SAN technology has aroused a lot of interest. But how does it work in practice? We look at how Australia's Deakin University uses VSANs to isolate development activity within its large, multisite fabric.
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CAD for SANs
by John Vacca
New automated design tools can help you build the SAN of your dreams.
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Drive Vendors Think Small
Seagate's incredible shrinking disk
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Creating a large e-mail system
by Jim Booth
Here's how one storage team transformed a monolithic storage design into a flexible, scalable system.
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Close the IM Loophole
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Roll Your Own NAS
Is building your own NAS better?
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The evolving storage department
by Carol Hildebrand
Here's how to avoid common road blocks as you revolutionize your storage department.
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Getting remote data right
by Marc Farley
The second of a two-part series on business continuity, this article focuses on how to use replicated data and the different types of replication: subsystem, host and network device based.
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EMC Launches Space-Saving Copy Option for Symmetrix
EMC wants to save you space
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SEC: No Hard and Fast Distance Minimums
SEC doesn't define distance minimums
- Serial ATA Adoption Ramping Up
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IP SANs take their place
There's a growing interest in using IP for storage in small to midsized enterprises, although Fibre Channel is still dominant in large organizations. What's right for you: IP, FC or a combination of both?
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Roll Your Own NAS
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Columns
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How to build a storage security strategy for your enterprise
According to a Morgan Stanley December 2002 survey of 225 CIOs, security spending tops their 10 highest priorities for 2003. This article details how to build a thorough, companywide security strategy.
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Intelligence belongs in the network and on the switch
Storage Bin: Intelligence belongs in the network and on the switch, but it's not going to get there in a jiffy.
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Snapshot: 4Gb/s Fibre Channel Switches
Would You Buy a 4Gb/s Fibre Channel Switch?
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Veritas SANPoint Control compared with EMC ControlCenter
by Darryl Brooks
In the second part of a two-part article, we review Veritas SANPoint Control and compare it with EMC ControlCenter.
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Is compliance the next killer app?
by Mark Schlack
Is compliance the next killer app?
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What are your backup, DR and data retention policies?
by James Damoulakis
Can you describe your backup, retention and disaster recovery policies? And do they correctly address your business needs?
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How to build a storage security strategy for your enterprise
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