Re: Falling back from 7.23 to 7.14
In article <6dhfjo$r93$1@news.xmission.com>, Jon Vemo <jon@etcscan.com>
writes
>
>At 02:10 PM 3/2/98 , David Williams wrote:
>>In article <6dermh$fgg@freepress.anasazi.com>, Malcolm McNeill
>><mcneill@ds9.anasazi.com> writes
>>>If anyone out there has performed a migration from Informix 7.14 to 7.23
>>>and had to fall back, I would like to discuss any problems that you might
>>>have encountered. I am particularly interested in finding out just what
>>>structural changes happen to the sysmaster database during a migration and
>>>whether falling back is a simple matter of pointing the instance back to
>>>the 7.14 environment.
>>>
>>>The reason we are considering falling back to 7.14 is, we have found
>>>resource use to be somewhat greater with 7.23. We are in the process
>>>of tuning kernel parameters where we can, however until we have sufficient
>>>resources to handle the new load, we are proceding with caution. There are
>>>several instances of informix that we will be migrating and at any time
>>>we may need to fall back from a 7.23 version to a 7.14.
>>>
>>
>> I would
>>
>> a) Take a level 0 archive under 7.14
>> b) Install 7.23 in a new $INFORMIXDIR.
>>
>> If you need to go back to 7.14 just
>>
>> a) shutdown 7.23
>> b) point $INFORMIXDIR back ti 7.14
>> c) restore the level 0 archive.
>>
>> Simple!
>>
>> There is an onmode option to revert back but it only goes back
>> to 6.0!!
>
>Please refer to the Migration guide, chapter 7 "Reverting to earlier versions
>of Online Dynamic Server". There you will see that from 7.2 you can revert to:
> 7.10.UD1
> 7.10
> 6.0
> 5.0
> 4.1
>
Oops! Sorry !!
I have 7.13, why then can I not revert back to 7.10?
>Jon
>
>-----------------------------------------------------------------------
>Jon C. Vemo jon@etcscan.com
>Database Administration
>Deluxe Payment Protection Systems/SCAN
>Bothell, WA
>(425) 489-1120
>-----------------------------------------------------------------------
--
David Williams
Maintainer of the Informix FAQ
Primary site (Beta Version) http://www.smooth1.demon.co.uk
Official site http://www.iiug.org/techinfo/faq/faq_top.html
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