Wednesday, July 2, 2008

SSD, ASM, Sizing and Benchmarks, Web Security, Hyperion, Siebel

Solid State Disks

Mike Ault is now working for a company that makes Solid State Disks and has some thoughts in this posting about how the market changes, but perception often hangs a step or two back. Thus people remember that SSDs were hideously expensive in the past but they aren't that way now. I looked at SSDs for several customers some years ago, and my main concern with the technology today is still the same, can you get the same reliability as conventional disks? I know that SSDs have their own battery backup, etc., but are they really at the point to use in mainline data storage, or more of a specialized high speed disk for redo logs (a common use in the past for clients with brutally high transaction rates)?


Alejandro Vargas' Blog has a good posting on Manually changing rebalance power on an ongoing ASM rebalance operation, with a link to a paper he wrote.

Sizing and Benchmarks

Murali Sriram has a couple of links to handy tools:

Web Security

aut disce, aut discede blog has two updates of recent vintage on security that are of interest to both developers and DBAs: A Different Form of JAR Hell and Stealing Password Hashes with Java and IE.


A good discussion of the coming profitability management application that sits atop Essbase over at the amusingly named Look Smarter Than You Are blog.


A link to a whitepaper on Maximum Availability Architecture (the technology formerly known as HA) at the my Siebel sandpit blog.

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