Maybe too broad a question.
Is RAID 10 pretty much now the rule of thumb?

Hope things are going well,
Bill

Bill wrote:
Pretty much a rule of thumb. If you use Oracle's ASM, the only redudancy
it provides is akin to RAID 1 or RAID 10, depending on your configuration.

Please check out: http://www.miracleas.com/BAARF/BAARF2.html

After reading the first page, be sure to check out many of the links on
the left-hand side.


Cheers,
Brian

Proud BAARF member #23!!!

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Brian Peasland
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Remove the "nospam." from the email address to email me.


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Bill wrote:

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Regards,
Frank van Bortel

Top-posting is one way to shut me up...

On Nov 15, 3:54 am, Bill <edi... (AT) newpaltz (DOT) edu> wrote:
I think RAID5 is the most widely used these days. It works ok, except
when it doesn't. "Doesn't" usually includes situations such as write
buffer saturation and degraded hardware situations (ie, bad disk). Of
course, if one more disk than the number you have set for redundancy
goes bad (like if another disk is pulled out while a new one is being
rebuilt) the effects are similar to the old "ripper" virus on DOS.

For heavily loaded systems, much of the saturation problem can be
avoided by moving things that are heavily serially written to RAID10
(or whatever) - like redo.

Is http://www.baarf.com/ out of date? Perhaps, more modern 5's have
pretty big buffer hardware. But http://storagemojo.com/?p=383

Since it probably isn't clear, I think RAID10 is far superior for what
Oracle does. But that isn't the subject. What is most widely used is
what is most widely sold, and that isn't necessarily based on
technical superiority or proper requirements analysis. It's based on
money and somewhat on hype. RAID5 is, simply, cheaper - and isn't
that what the I in RAID is?

jg
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@home.com is bogus.
http://www.foxnews.com/story/0,2933,311727,00.html

On 15 nov, 20:49, joel garry <joel-ga... (AT) home (DOT) com> wrote:

Or did it stand for Independent?

I'd vote for SAME, too - but indeed, that was not the question

Frank van Bortel wrote:
thanks Frank- Hope the weekend is good-
b

joel garry wrote:

Yeah that's what we're doing now (actually the entire thing is RAID 10 but
probably shouldn't be as it uses quite a bit of space and it isn't write
intensive.

Thanks!!! (= =(8


You mean as in overkill?

But that isn't the subject. What is most widely used is
Thanks!!! Time and thoughts much appreciated.

B

Frank van Bortel wrote:

All thoughts & ideas, and change of venue more than welcome!
B