RE: RAC File System Questions
- From: "Randy Johnson" <oraclelist@xxxxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Tue, 4 Sep 2007 20:16:17 -0500
I'd recommend ASM. There is safety in numbers and that is where the numbers
are. I also get the feeling that ASM is Oracle's strategic direction for
shared storage. I know I'm going to take some flak for this but I've seen
some flakyness with OCFS & OCFS2. Creating a file, putting data in it on one
node, the contents aren't immediately visible on from the other node. Stuff
like that. ASM is solid as a rock. Especially 10gR2.
_____
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx]
On Behalf Of Jeremy Schneider
Sent: Monday, September 03, 2007 9:53 PM
To: rama.ari@xxxxxxxxxxxxx
Cc: oracle-l@xxxxxxxxxxxxx
Subject: Re: RAC File System Questions
ASM might be a good fit for you.
The only filesystem you can use for RAC on linux is OCFS. I've setup
clusters with the OCR and quorum on both filesystems and raw devices and to
me the only difference is what you're more comfortable with.
-Jeremy
On 9/3/07, HYPERLINK "mailto:rama.ari@xxxxxxxxxxxxx"rama.ari@xxxxxxxxxxxxx
<HYPERLINK "mailto:rama.ari@xxxxxxxxxxxxx"rama.ari@xxxxxxxxxxxxx > wrote:
We are in the process of setting up Oracle RAC on Redhat Linux.
I need RAC expert's comments for the following questions.
1) What type of filesystem are you using for Oracle datafiles?
2) Are your implementation(s) using raw partitions or a cluster file system
for the OCR and voting disks?
3) If using raw partitions with Linux can you describe any challenges you
had with device discovery?
Thanks,
Rama
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Jeremy Schneider
Chicago, IL
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