RE: recovery from RAW partitions
- From: "Bobak, Mark" <Mark.Bobak@xxxxxxxxxxxx>
- To: "ricks12345@xxxxxxxxx" <ricks12345@xxxxxxxxx>, "oracle-l@xxxxxxxxxxxxx" <oracle-l@xxxxxxxxxxxxx>
- Date: Tue, 17 Jun 2008 00:12:46 -0400
Let's try this again. What does "I was talking to a DBA today who insisted
that performing a recovery with a RAW partition." mean? What are you asking
for agreement/disagreement on?
As to the performance improvement, if any, of raw devices, well, as with many
things, it depends.
Personally, I use raw partitions for the following reasons:
- AIO and DIO capable
- no memory wastage caching datafile blocks in filesystem cache
- Sys admin staff is comfortable w/ raw partitions
- In my environment, there's no downside
-Mark
________________________________________
From: oracle-l-bounce@xxxxxxxxxxxxx [oracle-l-bounce@xxxxxxxxxxxxx] On Behalf
Of Rick Ricky [ricks12345@xxxxxxxxx]
Sent: Monday, June 16, 2008 11:01 PM
To: oracle-l@xxxxxxxxxxxxx
Subject: recovery from RAW partitions
I was talking to a DBA today who insisted that performing a recovery with a RAW
partition. He didn't really explain why. Does anyone agree with this? If so
why? He also said that RAW partitions only give about a 2% performance
improvement. If so, why would you want to use them (other than with voting
disks and OCR in RAC).
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