RE: _spin_count Revealed

2002-09-19 Thread Cary Millsap

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Cary Millsap
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-Original Message-
Rich
Sent: Wednesday, September 18, 2002 10:18 AM
To: Multiple recipients of list ORACLE-L

I doubt the _counter_corriolis_effect parameter would do much:

http://www.ems.psu.edu/~fraser/Bad/BadCoriolis.html

:)

Rich Jesse   System/Database Administrator
[EMAIL PROTECTED]  Quad/Tech International, Sussex, WI
USA


> -Original Message-
> From: Grant Allen [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, September 17, 2002 7:18 PM
> To: Multiple recipients of list ORACLE-L
> Subject: RE: _spin_count Revealed
> 
> 
> You're forgetting about the _counter_corriolis_effect 
> parameter, introduced
> in 9i.  If you set this to true, then you need to flip you're 
> setting for
> _spin_count.  I've also found it useful to buy hard drives 
> with synchromesh
> to make gear changes smoother :-)
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RE: _spin_count Revealed

2002-09-18 Thread Inka Bezdziecka

Well ... 
although you are  correct, you forgot to mention that there is a hidden  table sys. 
fence$, leftover from the archaic time, which (table, not time) has a column drift#  
(Boolean) and one row. Default value is FALSE  and unless changed manually to TRUE, 
the_centripedal_acceleration parameter works only up to 1K spin. 

In addition one has to 
alter session set nls_territory= western 
before updating fence$.

inka

-Original Message-
Sent: Wednesday, September 18, 2002 2:19 PM
To: Multiple recipients of list ORACLE-L


All I'm saying is that the parameter wouldn't have nearly as much effect as
the _centripedal_acceleration parameter, which as we all know keeps the bits
from flying off of HDs, especially the 15K spin.  I believe it's
undocumented now, since setting it to "false" caused corruption from bit
loss.

(how's that?)

Rich Jesse   System/Database Administrator
[EMAIL PROTECTED]  Quad/Tech International, Sussex, WI USA

> -Original Message-
> From: Tim Gorman [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, September 18, 2002 12:38 PM
> To: Multiple recipients of list ORACLE-L
> Subject: Re: _spin_count Revealed
> 
> 
> Such a drag to detract from a good story using facts...
> 
> ...which is how the whole discussion got started...
> 
> - Original Message -
> To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
> Sent: Wednesday, September 18, 2002 9:18 AM
> 
> 
> > I doubt the _counter_corriolis_effect parameter would do much:
> >
> > http://www.ems.psu.edu/~fraser/Bad/BadCoriolis.html
> >
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Author: Jesse, Rich
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RE: _spin_count Revealed

2002-09-18 Thread Jesse, Rich

All I'm saying is that the parameter wouldn't have nearly as much effect as
the _centripedal_acceleration parameter, which as we all know keeps the bits
from flying off of HDs, especially the 15K spin.  I believe it's
undocumented now, since setting it to "false" caused corruption from bit
loss.

(how's that?)

Rich Jesse   System/Database Administrator
[EMAIL PROTECTED]  Quad/Tech International, Sussex, WI USA

> -Original Message-
> From: Tim Gorman [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, September 18, 2002 12:38 PM
> To: Multiple recipients of list ORACLE-L
> Subject: Re: _spin_count Revealed
> 
> 
> Such a drag to detract from a good story using facts...
> 
> ...which is how the whole discussion got started...
> 
> - Original Message -
> To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
> Sent: Wednesday, September 18, 2002 9:18 AM
> 
> 
> > I doubt the _counter_corriolis_effect parameter would do much:
> >
> > http://www.ems.psu.edu/~fraser/Bad/BadCoriolis.html
> >
-- 
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-- 
Author: Jesse, Rich
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Re: _spin_count Revealed

2002-09-18 Thread Tim Gorman

Such a drag to detract from a good story using facts...

...which is how the whole discussion got started...

- Original Message -
To: "Multiple recipients of list ORACLE-L" <[EMAIL PROTECTED]>
Sent: Wednesday, September 18, 2002 9:18 AM


> I doubt the _counter_corriolis_effect parameter would do much:
>
> http://www.ems.psu.edu/~fraser/Bad/BadCoriolis.html
>
> :)
>
> Rich Jesse   System/Database Administrator
> [EMAIL PROTECTED]  Quad/Tech International, Sussex, WI
USA
>
>
> > -Original Message-
> > From: Grant Allen [mailto:[EMAIL PROTECTED]]
> > Sent: Tuesday, September 17, 2002 7:18 PM
> > To: Multiple recipients of list ORACLE-L
> > Subject: RE: _spin_count Revealed
> >
> >
> > You're forgetting about the _counter_corriolis_effect
> > parameter, introduced
> > in 9i.  If you set this to true, then you need to flip you're
> > setting for
> > _spin_count.  I've also found it useful to buy hard drives
> > with synchromesh
> > to make gear changes smoother :-)
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Jesse, Rich
>   INET: [EMAIL PROTECTED]
>
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> San Diego, California-- Mailing list and web hosting services
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Author: Tim Gorman
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RE: _spin_count Revealed

2002-09-18 Thread Jesse, Rich

I doubt the _counter_corriolis_effect parameter would do much:

http://www.ems.psu.edu/~fraser/Bad/BadCoriolis.html

:)

Rich Jesse   System/Database Administrator
[EMAIL PROTECTED]  Quad/Tech International, Sussex, WI USA


> -Original Message-
> From: Grant Allen [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, September 17, 2002 7:18 PM
> To: Multiple recipients of list ORACLE-L
> Subject: RE: _spin_count Revealed
> 
> 
> You're forgetting about the _counter_corriolis_effect 
> parameter, introduced
> in 9i.  If you set this to true, then you need to flip you're 
> setting for
> _spin_count.  I've also found it useful to buy hard drives 
> with synchromesh
> to make gear changes smoother :-)
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Jesse, Rich
  INET: [EMAIL PROTECTED]

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RE: _spin_count Revealed

2002-09-17 Thread Grant Allen

Fink, Dan[SMTP:[EMAIL PROTECTED]] wrote:
> >I have learned that my information was incorrect. A negative value for
> spin count is not to be used for reversing transactions. It is to be used
> for those systems in the southern hemisphere to insure that the disks spin
> counter-clockwise.
> > 
> >I sincerely apologize for this mistake and hope the list will forgive me.
> > 
> >Dan
> 
Dan,

You're forgetting about the _counter_corriolis_effect parameter, introduced
in 9i.  If you set this to true, then you need to flip you're setting for
_spin_count.  I've also found it useful to buy hard drives with synchromesh
to make gear changes smoother :-)

Ciao
Fuzzy
:-)

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