Re: Creating DB on partition > 2TB
- From: "Greg Rahn" <greg@xxxxxxxxxxxxxxxxxx>
- To: wjwagman@xxxxxxxxxxx
- Date: Thu, 6 Mar 2008 15:08:39 -0800
Sounds like a DBCA bug from a really large number. Oracle db doesn't
have any knowledge of the LUN size, only database file size.
I don't know that I would recommend just a single large LUN. I
believe that things like the SCSI IO queue are per LUN so with only a
single LUN you only get one queue. This probably will limit the
number of in-flight IOs.
On 3/6/08, William Wagman <wjwagman@xxxxxxxxxxx> wrote:
> Greetings,
>
> I have installed Oracle 10.2.0.3.0 on a server running Centos 4,
> 2.6.9-67.0.4.Elsmp. This is a new server and installation. I am using
> the DBCA to create the database which initially will only be 2GB. The
> partition on which I am attempting to create the database has nearly 3TB
> of space and when I attempt to create the database dialogue box is
> presented with the message...
>
> You do not have enough free space
> You need 1845248KB
> You have -1570091008KB
>
> Oracle is telling me that the DBCA is unable to properly compute space
> on a partition > 2TB and suggests either creating the database manually,
> the scripts were created, or dividing the disk into partitions < 2TB. I
> haven't yet tried to create the database manually as I am concerned
> about whether or not if the DBCA gets confused with such a large
> partition that Oracle will also get confused.
>
> So, I'm looking for suggestions or experiences with similar situations.
--
Regards,
Greg Rahn
http://structureddata.org
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