Re: datapump export to pipe
- From: "~Jeff~" <jifjif@xxxxxxxxx>
- To: tony.adolph.dba@xxxxxxxxx
- Date: Tue, 6 Oct 2009 17:42:49 +1300
Hi Tony
unfortunately it's not possible, as Oracle no longer treats the file
sequentially. See metalink #276521.1 , 463336.1
This means that using split and exporting direct to tape is also out.
At least expdp is much quicker than exp :]
cheers-
Jeff Wong
On 06/10/2009, Tony Adolph <tony.adolph.dba@xxxxxxxxx> wrote:
> Hi all,
>
> Env: Oracle EE 10.2.0.4 RH 4.6
>
> I'm doing exports to a filesystem with limited space so want to compress the
> export on the fly, e.g.
>
> .
> .
> cd $BACKUP_DIR
> if [ ! -p $PIPE ] ; then
> mkfifo $PIPE
> fi
>
> echo "gzipping from $PIPE ..."
> nohup gzip -c < $PIPE > ${DMPFILE}.gz &
>
> echo "expdp started ..."
> expdp $CREDENTIALS \
> DIRECTORY=DP_EXP_DIR \
> DUMPFILE=$PIPE \
> FULL=y \
> LOGFILE=$LOGFILE
> .
> .
>
> BUT,.. as you may have guessed, my plan is flawed as expdp doesn't allow
> writing to a file that already exists, and of course the pipe must (exist
> that is)
>
> Does anyone have a work around for this (that doesn't involve upgrading to
> 11g, buying new disks, exporting to a different dir)
>
> Thanks in advance
> Tony
>
--
//www.freelists.org/webpage/oracle-l
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