Charles Davis wrote:
> "Sybrand Bakker" <sybrandb_at_hccnet.nl> wrote in message
> news:s8hf0154jcggkrr8m519ks7milor09i9od_at_4ax.com...
>
>>Comments embedded
>>
>>
>>On 7 Feb 2005 11:29:42 -0800, cdavis10717_at_comcast.net wrote:
>>
>>
>>>Hi, all,
>>>
>>>I'd like to alter the sequence of my ReDo Groups after a log switch
>>>occurs.
>>>
>>>Right now they are not switching in Group Number sequence, and I'd like
>>>to change that without dropping/recreating them.
>>>
>>
>>They are switching in the order they *NEED* to switch. If you start
>>fooling around with that, you are bound to screw up your database.
>>
>>
>>
>>>I'd like better disk separation of my ReDos and they are not switching
>>>in an order that is conducive to that.
>>>
>>
>>The various members of a group should go to different drives, however
>>there should be no problem to allocate all the first member of group 1
>>on the same drive as the first member of group 2 and the first member
>>of group 3, as redo log groups are never being written too
>>simultaneously.
>>
>>
>>>Is there a system table(s) I can alter to control this? If so, how
>>>please?
>>
>>
>>YOU SHOULD NEVER EVER 'alter' SYSTEM TABLES, or you will either screw
>>up your database OR loose support, or BOTH.
>>
>>The procedure to reorganize online redolog files without stopping the
>>database is described in the Oracle Server Utilities Manual.
>>Please read it asap. Right you are a DANGER to your database and your
>>company.
>>
>>
>>>Thanks.
>>
>>--
>>Sybrand Bakker, Senior Oracle DBA
>
>
> Mr/Ms Bakker,
>
> Thank you so much for your quick reply. I'm not certain but I think you've
> called me a DANGER to my company!! ha ha
>
> I assure you, the ReDo devices are raw devices that are each striped across
> 3 drives, but my Unix Admin mapped Group A and B to the same 3 drives, Group
> C and Group D to the same 3 drives, etc.
>
> I was merely asking how to get my ReDos to switch from A to C to B to D,
> that's all.
>
> I accessed the Utilities manual on Tahiti. I found nothing in the Utilities
> manual that describes if this can be controlled and how, as I think you are
> saying in your reply.
>
> If you could please point out where in that Utilities Manual i would surely
> love to read it.
>
> Thanks, I appreciate it.
>
>
You must be typing with a Dutch accent again, Sybrand, 'cos he obviously
can't understand you (:
vbg
Steve
Received on Mon Feb 07 2005 - 23:01:44 CST
