Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Usenet -> c.d.o.server -> Re: Mixed raw and Ufs partitions

Re: Mixed raw and Ufs partitions

From: Dirk Kiehne <dirk_at_liberate.com>
Date: Tue, 30 Jan 2001 20:31:06 GMT
Message-ID: <3A774468.E4468CED@liberate.com>

I agree about the 2 disks, but that's all I've got and Veritas is not an option for this system.

I guess I was looking for one or two of the required Oracle files that wouldn't hurt if they were in Ufs.

Thansk for the response.

-Dirk

scar_the_cat_at_my-deja.com wrote:
>
> Agreed. The Veritas people claim that using their Journaling File
> system in fast I/O mode works as well as raw I/O. Some of those
> tablespaces can be combined on the same disk anyway. The DBA guide
> talks about different scenarios depending on how the DB is used. You
> typically want as many spindles on different controllers for ultimate
> performance anyway. 2 disks won't do for this exercise!!
>
> In article <sxpc6.73$7i7.7212_at_nnrp1.sbc.net>,
> "Spencer" <spencerp_at_swbell.net> wrote:
> > with only two drives, your goal should be to distribute the i/o as
 evenly
> > as possible between them. i'm thinking that you're not going to see
> > much of an increase in performance by moving to raw partitions, but
> > you are certainly going to lose a lot of flexibility. i wouldn't
 recommend
> > using raw partitions unless you've got a logical volume manager that
> > will allow you to create raw partitions that are appropriately sized.
> >
> > "Dirk Kiehne" <dirk_at_liberate.com> wrote in message
> > news:3A721625.7CECEAC1_at_liberate.com...
> > > A question for the experts,
> > >
> > > I have a development environment:
> > >
> > > Solaris 8
> > > Oracle 8.1.7
> > > Our servers interacting with Oracle
> > > Two internal SCSI HDs (4.2G and 9.0G)
> > >
> > > I'm considering switching my Boot Drive (4.2G)
> > > to the (9.0G) and installing Oracle on the (4.2G)
> > > with Oracle running in raw partions.
> > >
> > > From my experience installing OPS into Veritas
> > > logical volumes on another machine, I would need
> > > 13 partitions:
> > >
> > > system
> > > user
> > > temp
> > > rbs
> > > indx
> > > tools
> > > drsys
> > > control1
> > > control2
> > > redo1_1
> > > redo2_2
> > > redo2_1
> > > redo2_2
> > >
> > > but I have only potentially 11 available:
> > >
> > > 4 on the "new" (9.0G): after using /, swap, backup and /liberate
> > > 7 on the (4.2G): after using backup
> > >
> > > Could someone recommend which HD I should put them on and
> > > which could reside on Ufs without affecting performance??
> > >
> > > Thanks in advance,
> > > -Dirk
> > >
> >
> >
>
> Sent via Deja.com
> http://www.deja.com/
Received on Tue Jan 30 2001 - 14:31:06 CST

Original text of this message

HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US