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Full Discussion: Unusual system bog down
Operating Systems Solaris Unusual system bog down Post 302890622 by jim mcnamara on Thursday 27th of February 2014 02:56:42 PM
Old 02-27-2014
Thanks!
@jlliagre - system was rebooted and the problem cleared. Back then prstat -Z did not show any one zone using cpu resources. Nobody had cpu. as you saw sys % time was low, too. So the kernel was not thrashing AFAIK.

/tmp gets cleaned up monthly, so maybe 200 files were out there.

@hicksd8 - pg_contig_disable = 0. I think this may have precipitated the problem. OTN has some similar information, we knew about it but decided against setting it. We rebooted, it is now set to 1. We also forced mgt to acquiesce to a periodic off-time reboot. We now are allowed reboots on the weekend. The whole thing is political, no technical person is allowed input in decisions like this until something goes South.
 

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LEARN ABOUT OPENSOLARIS

reboot

reboot(3C)						   Standard C Library Functions 						reboot(3C)

NAME

       reboot - reboot system or halt processor

SYNOPSIS

       #include <sys/reboot.h>

       int reboot(int howto, char *bootargs);

DESCRIPTION

       The  reboot()  function	reboots  the  system.	The howto argument specifies the behavior of the system while rebooting and is a mask con-
       structed by a bitwise-inclusive-OR of flags from the following list:

       RB_AUTOBOOT    The machine is rebooted from the root filesystem on the default boot device. This is the default behavior. See boot(1M)  and
		      kernel(1M).

       RB_HALT	      The processor is simply halted; no reboot takes place. This option should be used with caution.

       RB_ASKNAME     Interpreted by the bootstrap program and kernel, causing the user to be asked for pathnames during the bootstrap.

       RB_DUMP	      The system is forced to panic immediately without any further processing and a crash dump is written to the dump device (see
		      dumpadm(1M)) before rebooting.

       Any other howto argument causes the kernel file to boot.

       The interpretation of the bootargs argument is platform-dependent.

RETURN VALUES

       Upon successful completion, reboot() never returns.  Otherwise, -1 is returned and errno is set to indicate the error.

ERRORS

       The reboot() function will fail if:

       EPERM	The {PRIV_SYS_CONFIG} privilege is not asserted in the effective set of the calling process.

SEE ALSO

       Intro(1M), boot(1M), dumpadm(1M), halt(1M), init(1M), kernel(1M), reboot(1M), uadmin(2)

SunOS 5.11							    22 Mar 2004 							reboot(3C)
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