Space-saving ideas for improving storage performance

Good post by Brian Betts (thank you) over at El Reg

Once upon a time pretty much the only thing a storage manager had to worry about was running out of capacity.

Disk space was expensive and a slew of products offered data compression, moving disused files off to tape and so on.

Disk space is pretty cheap now, with multi-terabit drives readily available along with petabyte-class storage arrays, and the challenge has shifted first to storage I/O performance and then to application response time.

Read on here

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