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Linux geek "durrrr" moment

animated black mage
Did you know that if you use LVM for your disks, that it can't use write-caching?

Well I sure as hell didn't.

I was wondering why my I/O was so horribly slow for that oracle DB. *YOINKS LVM out*

*writes up on the blackboard 200 times* "I will not use LVM for volumes in a secure and redundant environment. The minimal increase in ease-of-use is not worth the performance hit."

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( 5 comments — Leave a comment )
labyrinthman
Feb. 24th, 2009 08:47 pm (UTC)
Exactly the site where I found out why it doesn't work.

labyrinthman
Feb. 24th, 2009 08:51 pm (UTC)
(come to think of it, do you use that site often? Is it usually worth it?)
zastrazzi
Feb. 24th, 2009 09:01 pm (UTC)
Use, no. Seem to hit now and then with Google results for weird/odd questions? Sometimes :) They do seem to be 'not wrong' much though, so they have a bit of built in trust for me as a source of information.
labyrinthman
Feb. 24th, 2009 09:23 pm (UTC)
*nods nods* I wasn't sure when I first saw that bit...so I was able to confirm elsewhere. Good to know!
( 5 comments — Leave a comment )

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animated black mage
labyrinthman
Some guy in a maze

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