Autogen and modparams problem

February 16, 2012 at 11:28:02
Specs: VAX OpenVMS 6.2, 7000-600
We are running OpenVMS 6.2 on a 2 node VAX7000-600 cluster. When running autogen "@sys$update:autogen savparams testfiles feedback" after removing the 2 parameters from modparams.dat we still generate the following errors in agen$feedback.report

The following was detected within MODPARAMS.DAT
Please review immediately.

** WARNING ** - The value of RESHASHTBL specified or calculated
(131072) is more than the maximum permissible value of 65535.
Please review the MODPARAMS definitions of RESHASHTBL,
MAX_RESHASHTBL & ADD_RESHASHTBL.
RESHASHTBL will be set to 65535.

RESHASHTBL parameter information:
Feedback information.
Old value was 65535, New value is 65535
Current number of resources: 155359
Override Information - parameter calculation has been overridden.
The calculated value was 131072. The new value is 65535.

And;

The following was detected within MODPARAMS.DAT
Please review immediately.

** WARNING ** - The value of SYSMWCNT specified or calculated
(54285) is more than the maximum permissible value of 32767.
Please review the MODPARAMS definitions of SYSMWCNT,
MAX_SYSMWCNT & ADD_SYSMWCNT.
SYSMWCNT will be set to 32767.

SYSMWCNT parameter information:
Override Information - parameter calculation has been overridden.
The calculated value was 54285. The new value is 32767.

Anyone have any ideas? I have checked to make sure we do not have a modparams.dat hiding in the sys$common area.

Thanks in advance,
Rich


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#1
February 17, 2012 at 00:24:17
One possibility:
file included in modparams.dat like
AGEN$INCLUDE_PARAMS SYS$MANAGER:AGEN$NEW_NODE_DEFAULTS.DAT
contains these parameters.
If not: short of analyzing the autogen procedure, maybe autogen is just lying saying the parameter is from modparams.dat, while it is it's internal calculated value.

Does the warning change if you add the two MAX_x parameters to the given maximum of 64K/32K as suggested ?

There will still be a warning because of the calculeted value is too high:it presumably gives a hint that your system is short of memory, at least has a very high load,

Use HELP SYS_PARAM SYSMWCNT and RESHASHTBL to see what they mean.

Joseph Huber
http://www.huber-joseph.de


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#2
May 1, 2012 at 04:49:06
The bottom line here is that both messages are warnings and can be ignored. There are maximum values defined by the system for initial allocations of these structures. The calculations within Autogen are not checked against the maximums for all parameters. You have here 2 examples where the max is not verified. The calculated values based upon feedback exceed hte maximum defined by the system, thus the max will be used. This is not a problem other than the annoying messages. You can safely ignore these.

Dan


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