Re: seeking for opinions on migrate from Sun to X86: ASM vs filesystem, HA options;
- From: Darren Darnell <darren@xxxxxxxxxxxxxxx>
- To: Zhu Chao <zhuchao@xxxxxxxxx>, ORACLE-L <oracle-l@xxxxxxxxxxxxx>
- Date: Sun, 31 Oct 2010 09:29:26 -0500
To do Async IO on Linux, you'll need to bump up the aio-max-size
kernel parameter and set the disk_asynch_io and filesystemio_option
parameters.
As for performance. I haven't done any performance testing comparing
ASM vs. file systems, but there are several whitepapers floating
around that show better performance with ASM+ASMlib vs. file systems.
Yes, with the current Linux releases you'll be using udev. Which is
not all that complicated once you figure it out.
I don't know why you would want to use VXFS or VCS on Linux, when
there is comparable open source functions already available. Unless,
maybe, your organization has standardized on the Veritas Suite.
DD
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