Well, in archivelog mode LogWriter may use one group and Archiver may
use the other group, so I'd agree with Kirti.
Igor Neyman, OCP DBA
[EMAIL PROTECTED]
-----Original Message-----
Mladen Gogala
Sent: Wednesday, July 30, 2003 12:59 PM
To: Multiple recipients of list ORACLE-L
There are two reasons:
1) Redo log groups are never used simultaneously, so they can reside on
the same disk. Log members should not be on the same disks for
increased
survivability. That gives us 2 groups with 4 members, each two
members
sharing the same device - 4 disks alltogether.
2) It's because I say so and I'm an 8i OCP.
On 2003.07.30 13:44, KENNETH JANUSZ wrote:
> Why? What is the logic?
>
> Ken Janusz, CPIM
>
> ----- Original Message -----
> To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
> Sent: Wednesday, July 30, 2003 12:29 PM
>
>
> > The answer is 4. Of course, no one in the right mind would have
> > 2 groups with 4 members each.
> >
> > On 2003.07.30 13:19, Senthil Kumar wrote:
> > > Hi all,
> > >
> > > What is the correct answer for this?
> > >
> > > Q> If you have 2 redo log groups with 4 members each, how many
disks
> does
> > > Oracle recommend
> > > to keep the redo log files?
> > >
> > > 1. 8
> > > 2. 2
> > > 3. 1
> > > 4. 4
> > >
> > > Which is the correct answer.
> > >
> > > TIA
> > > Senthil
> > >
> > > --
> > > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > > --
> > > Author: Senthil Kumar
> > > INET: [EMAIL PROTECTED]
> > >
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> > --
> > Mladen Gogala
> > Oracle DBA
> > --
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Mladen Gogala
Oracle DBA
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