RE: ASM and RAW Devices on RHEL 4
- From: "Pete Sharman" <peter.sharman@xxxxxxxxxx>
- To: "gorbyx@xxxxxxxxx" <gorbyx@xxxxxxxxx>, "Oracle-L Freelists" <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 9 Mar 2006 09:39:26 +1100
Alex
There is a Why ASMLib Fast Facts doc that apparently hasn't yet been put
anywhere externally. I checked with the ASM product management team and
they're looking into getting that out somewhere so people can see it. For now,
I'll send it to you offline - I don't think we're allowed attachments on this
list. Anyone else who wants it let me know and I can send it to you as well.
Pete
"Controlling developers is like herding cats."
Kevin Loney, Oracle DBA Handbook
"Oh no, it's not. It's much harder than that!"
Bruce Pihlamae, long-term Oracle DBA
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On
Behalf Of Alex Gorbachev
Sent: Wednesday, 8 March 2006 11:16 PM
To: Oracle-L Freelists
Subject: Re: ASM and RAW Devices on RHEL 4
I also couldn't find any info on why would I want to use ASMLib
instead of standard Linux raw-devices. If anyone has some facts and/or
documents, please share with us.
So far I only found Jared's comment in "Adventures in ASM" article:
"Some preliminary testing (admittedly, on a single machine so far)
indicates that the of ASMLib I/O may cost a significant I/O penalty.
You will need to test this on your own system to determine if this is
so for you."
2006/3/7, LiShan Cheng <exriscer@xxxxxxxxx>:
> My doubt is really, is ASMLib I/O API better than Linux I/O API? :-)
--
Best regards,
Alex Gorbachev
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