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Conference ssdevo::hsj40_product

Title:	HSJ30/40 Product Conference

Moderator:	SSDEVO::EDMONDS

Created:	Mon Jul 12 1993
Last Modified:	Fri Jun 06 1997
Last Successful Update:	Fri Jun 06 1997
Number of topics:	1264
Total number of notes:	4958

1231.0. " Question on "INIT SAVE_CONFIGURATION" behavior?" by CSC32::D_DONOVAN (SummaNulla(The High Point of Nothing)) Thu Apr 10 1997 13:38

	Would someone like to clarify the issue with the 
"INITIALIZE SAVE_CONFIGURATION" command under HSOF V3.1 &
V5.1.  In the Release Notes it mentions the following:

	...The saved information is updated whenever
	   the the configuration of the nonredundant
	   controller is changed...  

	The question I have concerns the "nonredundant
controller".  If I have a dual-redundant pair and I've 
used the "INITIALIZE SAVE_CONFIGURATION" will my configuration
information be saved as it would if I were in a single-controller
configuration?

Thanks,

Dennis

P.S.	Yes - I understand that in a dual-redundant configuration
	one controller can and will obtain configuration information
	from the "THIS" or "OTHER"...  However, my HSJ40s/50s may
	not always remain "dual-paired".

T.R	Title	User	Personal Name	Date	Lines
1231.1	Basically yes	SSDEVO::RMCLEAN		`Thu Apr 10 1997 13:57`	4
	In a word yes. The configuration information is saved any time that the non-volitile memory is changed on that controller. It is not easy to describe when the configuration changes but the goal is to preserve the state of the nv memory.
1231.2	??	GEM::SHERGOLD	We are 100% sure; well almost!!	`Sun Apr 20 1997 01:34`	4
	It seems an oxymoron to be talking about preserving the state of "non-volitile" (sic) memory. Can you explain please? Keith
1231.3	Too busy??	GEM::SHERGOLD	We are 100% sure; well almost!!	`Sun Jun 01 1997 07:09`	3
	Ah well! I guess you can't. Keith
1231.4	Very busy...	SSDEVO::RMCLEAN		`Mon Jun 02 1997 12:22`	2
	Yup... You save NV because should you install a different controller you might want that info restored to the new controller...
1231.5	Note that Save_Config is NOT recommended for Dual-redundant controllers	SSDEVO::THOMPSON	Paul Thompson, Colorado Springs	`Tue Jun 03 1997 10:23`	2
	I believe that you will find in the release notes that use of the SAVE_CONFIG option is not recommended in dual redundant configurations.
1231.6	Yup that is true	SSDEVO::RMCLEAN		`Tue Jun 03 1997 12:00`	3
	Yes that is true it is not recommended but it still works the same way. The dual controllers can restore the configuration from the remaining controller therefore they really don't need save configuration feature.