RE: Veritas

Regarding QuickIO performance...
I use QuickIO and it's great but I don't believe it is faster than raw. I've seen performance comparisons on a few websites but don't remember the links. I believe Steve Adam's website has some details on QuickIO performance vs. raw.

Regarding QuickIO ease of management...
Just like raw, you have to pre-allocate storage but instead of a raw partition pre-allocation is to a file via the "qiomkfile" command. Just like raw you cannot have any database files with autoextend. Just like raw you still have to define and maintain symbolic links. Unlike raw it's relatively easy to increase the pre-allocated size of a QuickIO file.

HTH,
Steve Orr

-----Original Message-----
Sent: Monday, April 02, 2001 10:32 AM
To: Multiple recipients of list ORACLE-L

I've used it at a prior employer. Its a nice product, great volume manager, never did pay for the quick i/o for oracle but heard it worked well. It bypassed the unix fs (buffered i/o) and used its own fs: faster than raw but easy to manage like cooked.

>>> jonathan_at_gennick.com 04/02/01 12:46PM >>>
The subject of Veritas came up at work today, and I'm curious. How widely used is Veritas in Oracle environments?

Best regards,

Jonathan Gennick
mailto:jonathan_at_gennick.com * 906.387.1698 http://Gennick.com * http://MichiganWaterfalls.com * http://MetalDrums.org

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