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08-06-2002 04:13 AM
08-06-2002 04:13 AM
cannot fork: too many Processes on Init 1
i have a Problem on a HP-UX 11.00 Maschine, the Maschine has 64 MB RAM.
The Failure is "ksh: cannot fork: too many processes" On the System is a Oracle Database installed and configured.
The Maschine was restart in the Single User Mode, the nproc (800) and the MAXUSER (100) Settings have been changed.
Error Message are now :Table is Full
We take the old Kernel, and change the Kernel. We bring the System in the Init 1.
We will make a new Kernel..... but the System puts the Error Masseges on the screen:
"ksh: cannot fork: too many processes" at init 1! Circa 20-30 Processes are worked at that time.
Can you help me?
with kind regards
Soeren Daehnrich
PS: Sorry for my bad English.
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08-06-2002 04:23 AM
08-06-2002 04:23 AM
Re: cannot fork: too many Processes on Init 1
nproc--->number of processes on the system
maxuprc--->maximum number of user processes
When you have changed those and you are getting a message Table is full
you have to tune the kernel parameter nfile.
Modify nfile and then rebuild the kernel
nfile is dependent on maxusers.
Just check the value of the parameter for maxusers.
Increase it accordingly.
Thanks
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08-06-2002 04:24 AM
08-06-2002 04:24 AM
Re: cannot fork: too many Processes on Init 1
Cheryl
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08-06-2002 04:25 AM
08-06-2002 04:25 AM
Re: cannot fork: too many Processes on Init 1
did you change the value of 'maxuprc' kernel parameter ? that may solve the issue. btw, 64MB is a very less amount of memory, try adding more memory too.
hth
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08-06-2002 04:25 AM
08-06-2002 04:25 AM
Re: cannot fork: too many Processes on Init 1
http://www.docs.hp.com//hpux/onlinedocs/os/KCparams.OverviewAll.html
Might be the user has created a program where it is spawning up processes.
Check them using ps -ef|grep
Thanks
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08-06-2002 04:26 AM
08-06-2002 04:26 AM
Re: cannot fork: too many Processes on Init 1
Pete
Pete
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08-06-2002 04:31 AM
08-06-2002 04:31 AM
Re: cannot fork: too many Processes on Init 1
Besides nproc & maxuser , I think you must set swapmen_on to 0 to disable pseudo-swap.
And you should add more swap space so as to create more processes!
-Gerald-
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08-07-2002 12:16 AM
08-07-2002 12:16 AM
Re: cannot fork: too many Processes on Init 1
the discribe System, run 2 Month's with the Kernel and the Oracle Database, without Errors!
For the Poster "64 MB RAM not enough for HP-UX 11.00"
The System stand at INIT 1!, and go down.
Thank's for the Statement up to the time.
THX!
regards S.D.
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08-07-2002 12:33 AM
08-07-2002 12:33 AM
Re: cannot fork: too many Processes on Init 1
Also, what is the last process that starts up before you start getting these errors?
Finally, you mentioned that you modified some kernel parameters. Stupid question but have to ask, did you move the new kernel into place, i.e. /stand/vmunix?
-Santosh
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08-07-2002 03:08 AM
08-07-2002 03:08 AM
Re: cannot fork: too many Processes on Init 1
So boot with the old kernel and check with SAM that you have set nproc and maxusers to what you think you have set them.
By the way:
> Error Message are now :Table is Full
That is probably not the full error message. It probably says:
proc: table is full
The "proc" part refers to the process table, i.e. the table dimensioned by the nproc parameter.