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Capacity vs. Performance : Why do I have so much free space on my SAN and why...
In the past–in the days of 2GB,4GB,9GB,18GB and even 36GB drives–when you were tasked with purchasing and configuring hard drives for an application, you were given the amount of storage space required...
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Capacity vs. Performance : Thin Provisioning
In my previous post, where I discussed the problem of unusable (or slack) disk space on a SAN, I promised a follow-up with techniques on how to increase storage utilization. I realized that I should...
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Capacity vs. Performance: De-duplication
This is the 3rd part of a multi-part discussion on capacity vs performance in SAN environments. My previous post discussed the use of thin provisioning to increase storage utilization. Today we are...
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Capacity vs Performance: Thin Provisioning-Reclaiming Free Space
A comment about HDS’s Zero Page Reclaim on one of my previous posts got me thinking about the effectiveness of thin provisioning in general. In that previous post, I talked about the trade-offs...
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