Steve,
The only files that can be sparse are tempfiles with
8i+ See note 6224.1 "ALERT: Sparse Files and Oracle"
(don't be fooled by the Oracle6 in the note, it
includes 8i info as well).
HTH,
- Anita
- Steve Adams <steve.adams_at_ixora.com.au> wrote:
> Hi Johnson,
>
> I don't believe that tempfiles can be sparse
> (although I may be wrong) and I am
> confident that datafiles cannot be. Maybe you should
> log a TAR with Oracle
> support to checkout whether tempfile can be sparse
> and just use datafiles until
> then. Anyway, can you please post the URL to the tip
> you mentioned. While it is
> the sort of thing I might say, I don't remember
> actually having said so.
>
> @ Regards,
> @ Steve Adams
> @ http://www.ixora.com.au/
> @ http://www.christianity.net.au/
>
>
> -----Original Message-----
> Sent: Friday, 18 May 2001 0:05
> To: Multiple recipients of list ORACLE-L
>
>
> Hi,
>
> After reading Steve Adams' tip on making temp files
> quick io. I posed this question to Veritas as they
> had
> told us not do so. The answer they give is the
> following.
>
> Temporary datafiles should not be converted to quick
> i/o files. The following is an excerpt from the
> administrator's Guide: Tablespaces marked TEMPORARY
> can be sparse, which means that not all blocks in
> the
> file are allocated. Quick I/O files cannot be
> sparse,
> as Quick I/O provides a raw-type interface to
> storage.
> If a sparse file is converted to a Quick I/O file,
> the
> Oracle instance can fail if Oracle attempts to write
> into one of these unallocated blocks.
>
> I would appreciate your thoughts on this?
>
> Johnson Job
>
>
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Received on Thu May 17 2001 - 21:00:23 CDT
