RE: Veritas CFS or QFS ? Which for High Hybrid Transaction Load Benchmark on RAC with Solaris 10/Oracle 10g ?

  • From: "VIVEK_SHARMA" <VIVEK_SHARMA@xxxxxxxxxxx>
  • To: "Zhu,Chao" <zhuchao@xxxxxxxxx>
  • Date: Thu, 31 Aug 2006 16:15:53 +0530

Thanks Zhu for the info & replies



Some Questions are IN CAPITALS BELOW:-



________________________________

From: Zhu,Chao [mailto:zhuchao@xxxxxxxxx]
Sent: Thursday, August 31, 2006 2:08 PM
To: VIVEK_SHARMA
Cc: oracle-l@xxxxxxxxxxxxx
Subject: Re: Veritas CFS or QFS ? Which for High Hybrid Transaction Load
Benchmark on RAC with Solaris 10/Oracle 10g ?



Simply use rman to restore your datafiles to raw volumes.
OK

The most min-downtime solution is;
build a standby on the raw volume on rac, do a switch over, and your
databsae is running in rac mode within 10 minutes.



THERE ARE NO TIME CONSTRAINTS AS NO PRODUCTION DATABASE IS INVOLVED.

THE AIM IS TO CHECK THE POSSIBILITY OF CONVERTING A BIG BENCHMARK
DATABASE CURRENTLY EXISTING ON A MOUNTED "UFS" FILESYSTEM "TO" RAW
DEVICES WITHOUT USING EXPORT/IMPORT & RMAN.

You can take anytime you desire to make your standby database onto the
raw volume. 

IS IT POSSIBLE IN SOME MANNER TO COPY THE DATAFILES FROM THE SOURCE
DATABASE EXISTING ON MOUNTED "UFS" FILESYSTEM PARTITIONS "TO" THE TARGET
DATABASE EXISTING ON PRE-CREATED RAW DEVICES FOR THE 1st TIME FOR THE
CREATION OF THE STANDBY DATABASE?



CAN "dd" COMMAND BE USED?



Thanks





On 8/31/06, VIVEK_SHARMA < VIVEK_SHARMA@xxxxxxxxxxx
<mailto:VIVEK_SHARMA@xxxxxxxxxxx> > wrote:

Zhu Chao, Folks,

Other than for manageability convenience, How is a Big 4 TB NON-RAC
"UFS" mounted Database to be converted into a RAW device based RAC
database?

 Is there any option Other then export from mounted Database & import
into RAW Database?

 Hence RAW is being avoided for now.

 Thanks indeed

________________________________

From: Zhu,Chao [mailto:zhuchao@xxxxxxxxx]
Sent: Wednesday, August 30, 2006 6:41 PM
To: VIVEK_SHARMA
Subject: Re: Veritas CFS or QFS ? Which for High Hybrid Transaction Load
Benchmark on RAC with Solaris 10/Oracle 10g ?



Why'd don't you take raw volume?
Dealing with veritas volume manager, it does not make much difference
between creating a datafile on filesystem, and creating a datafile on a
volume





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