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тАО10-17-2007 12:54 AM
тАО10-17-2007 12:54 AM
Can anyone please advise as to what I can do to resolve the problem reported below. I appreciate that this may well be a question that does not have a simple answer, but any pointers would be really welcomed.
The Robomon utility we use reported the following problem associated with pool usage.
Event Type: PROBLEM
Status: Deleted
Node: MOV008
Date/Time: 17-OCT-2007 12:00:00 AM
Class: SYSTEM
Severity: 3
Subclass:
State: UPDATE
Handle Number: 0
Handle Name: POOL_USAGE
Handle Context: MOV008
Creation Date/Time: 16-OCT-2007 2:00:00 PM
Closed Date/Time: None
Update Count: 11
Problem Owner: SYSTEM
Brief Text: POOL_USAGE - The largest block of free nonpaged pool on MOV008 is 280960 bytes; 0.91% of the total (30933568) free nonpaged pool.
Full Text:
The largest block of free nonpaged pool on MOV008 is 280960 bytes; 0.91% of the total (30933568) free nonpaged pool.
The nonpaged pool is fragmented, even though there may be sufficient memory nonpaged dynamic memory available. This is a result of nonpaged dynamic memory expanding beyond the initial size defined by NPAGEDYN.
Attached document shows some of the memory resources for the system in question.
Solved! Go to Solution.
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тАО10-17-2007 01:26 AM
тАО10-17-2007 01:26 AM
Re: Nonpaged pool problem
On some versions there was a problem which lead to non-paged pool fragmentation. To fix that problem set these two system parameters
NPAG_GENTLE
NPAG_AGGRESSIVE
to 100
Purely Personal Opinion
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тАО10-17-2007 01:28 AM
тАО10-17-2007 01:28 AM
Re: Nonpaged pool problem
In this case do
ANAL/SYS
SHOW POOL/NONP/SUMM
to see what is using the pool.
Purely Personal Opinion
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тАО10-17-2007 01:57 AM
тАО10-17-2007 01:57 AM
Re: Nonpaged pool problem
Thanks for the reply. Please find attached the output you requested. If I'm reading the output correctly, "Unknown" appears to be the largest user of non-page pool... can this be drilled down further
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тАО10-17-2007 01:59 AM
тАО10-17-2007 01:59 AM
Re: Nonpaged pool problem
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тАО10-17-2007 02:04 AM
тАО10-17-2007 02:04 AM
SolutionWim
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тАО10-17-2007 02:19 AM
тАО10-17-2007 02:19 AM
Re: Nonpaged pool problem
Before I make any modification in modparams.dat, could you let me know if the
AGEN$PARAMS.REPORT; should have notified me of a recommended increase?. Below is an extract taken from a short while back. In case I specified a wrong parameter for generating the report, couuld you please specify the full AUTOGEN command string to generate the output I should be looking at... thanks.
NPAGEDYN parameter information:
Feedback information.
Old value was 38674432, New value is 38674432
Maximum observed non-paged pool size: 38674432 bytes.
Non-paged pool request rate: 61 requests per 10 sec.
AUTOGEN parameter calculation has been overridden.
The calculated value was 36741120. The value 38674432 will be used in accordance with the following requirements:
NPAGEDYN minimum value is 38674432.
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тАО10-17-2007 02:28 AM
тАО10-17-2007 02:28 AM
Re: Nonpaged pool problem
I just ran autogen with the following command
@sys$update:autogen savparams testfiles feedback
I can see that the recommended value has indeed increased....
NPAGEDYN parameter information:
Feedback information.
Old value was 38674432, New value is 46047232
Maximum observed non-paged pool size: 48504832 bytes.
Non-paged pool request rate: 61 requests per 10 sec.
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тАО10-17-2007 03:18 AM
тАО10-17-2007 03:18 AM
Re: Nonpaged pool problem
Purely Personal Opinion
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тАО10-17-2007 04:39 AM
тАО10-17-2007 04:39 AM