Re: Tuning RMAN backup and recovery
- From: "Jared Still" <jkstill@xxxxxxxxx>
- To: "Allen, Brandon" <Brandon.Allen@xxxxxxxxxxx>
- Date: Fri, 16 Nov 2007 13:26:52 -0800
Blksize: still in 10gR2 docs, though for tape only.
I'll check the HP paper later - no access right now.
(Via blackberry)
On 11/16/07, Allen, Brandon <Brandon.Allen@xxxxxxxxxxx> wrote:
> If you're talking about blksize, it has been deprecated in 10.1+ :
>
> http://download.oracle.com/docs/cd/B19306_01/backup.102/b14194/obs_comm.
> htm#RCMRF910
>
> But it is still recommended in this best practices guide (p.10):
>
> http://www.oracle.com/technology/deploy/availability/pdf/S942_Chien.doc.
> pdf
>
> So, I'm not sure if it's still a good idea or not. Have you actually
> tested with it in 10g to see if it works?
>
> Here's another white paper on best practices for 10g specifically with
> Netbackup, from HP, that also suggests using BLKSIZE. I haven't read it
> yet, but looks interesting:
>
> http://h71028.www7.hp.com/ERC/downloads/4AA0-8102ENW.pdf
>
>
> -----Original Message-----
> From: oracle-l-bounce@xxxxxxxxxxxxx
> [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Jared Still
>
>
> Blocksize - this is used to set the buffer size in allocate channel
> maxfilesopen - going to disk the default (16 IIRC) is too high. Scale it
> down and test.
>
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--
Jared Still
Certifiable Oracle DBA and Part Time Perl Evangelist
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