Re: RAC ASM question

Sanjay,

If you haven't already, you may want to go through the ASM best practices whitepaper.

http://www.oracle.com/technology/products/database/asm/pdf/asm_bestpractices_9_7.pdf

-Rajeev

On 3/5/07, Sanjay Mishra <smishra_97_at_yahoo.com> wrote:
>
> Thanks Salem. Is there any benchmark or result or best practices that says
> that don't create more than x number of DG.
>
> Sanjay
>
> *Ghassan Salem <salem.ghassan_at_gmail.com>* wrote:
>
> Sanjay,
>
> 1. You can do it either way. The right way depends on your disks and
> disk layout. If you'll end up with the same disks in different diskgroups, I
> do not see the utility of using several ones. Having one DG allows for
> better spread of I/O. Having several DGs allows for more control on when to
> use redundancy (depending on app requirement, ...)
> 2. It's better to have a DG for FRA, as it's usage and redundancy
> req are different than 'normal' data.
>
> rgds
>
> On 3/3/07, Sanjay Mishra <smishra_97_at_yahoo.com> wrote:
> >
> > Hi
> >
> > I am building a RAC environment which will host 3 Application Database.
> > I am planning to create 4 Oracle Home like one for each Database and 4th
> > one for ASM. This way I can patch any one without affecting others.
> > 1. Now in order to ceate the Database in ASM, Can I create seperate Disk
> > Group for each Application Database or I should create one big Disk Group.
> > 2. What are the advantage/disadvantage of creating multiple diskgroups.
> > 3. Is it good to create seperate Diskgrroup for each Redolog,
> > Archivelog, Flashback and Data
> >
> > TIA
> > Sanjay
> > ------------------------------
> > Need Mail bonding?
> > Go to the Yahoo! Mail Q&A<http://answers.yahoo.com/dir/index;_ylc=X3oDMTFvbGNhMGE3BF9TAzM5NjU0NTEwOARfcwMzOTY1NDUxMDMEc2VjA21haWxfdGFnbGluZQRzbGsDbWFpbF90YWcx?link=ask&sid=396546091>for great
> > tips from Yahoo! Answers<http://answers.yahoo.com/dir/index;_ylc=X3oDMTFvbGNhMGE3BF9TAzM5NjU0NTEwOARfcwMzOTY1NDUxMDMEc2VjA21haWxfdGFnbGluZQRzbGsDbWFpbF90YWcx?link=ask&sid=396546091>users.
> >
>
>
> ------------------------------
> Don't be flakey. Get Yahoo! Mail for Mobile<http://us.rd.yahoo.com/evt=43909/*http://mobile.yahoo.com/mail>and
> always stay connected<http://us.rd.yahoo.com/evt=43909/*http://mobile.yahoo.com/mail>to friends.
>
>

--
http://www.freelists.org/webpage/oracle-l