Missing entries in log files just before/after reboot
Hello world,
One of the servers, a Fedora one,rebooted today (Luckily, a testbox).
I tried to get the reason the server rebooted. After going through the messages, I think that the log entries just before and after reboot are missing.
Please below: (****** is the server name, for privacy reason)
Code:
Mar 12 15:28:35 ****** snmpd[9415]: Connection from UDP: [10.235.49.62]:65118
Mar 12 15:28:35 ****** snmpd[9415]: warning: /etc/hosts.allow, line 11: missing ":" separator
Mar 12 15:28:35 ****** snmpd[9415]: Connection from UDP: [10.235.49.62]:65118
Mar 12 15:28:35 ****** snmpd[9415]: warning: /etc/hosts.allow, line 11: missing ":" separator
Mar 12 15:28:35 ****** snmpd[9415]: Connection from UDP: [10.235.49.62]:65118
Mar 12 16:06:39 ****** rsyslogd: [origin software="rsyslogd" swVersion="2.0.2" x-pid="1592" x-info="http://www.rsyslog.com"][x-configInfo udpReception="No" udpPort
="514" tcpReception="No" tcpPort="0"] restart
Mar 12 16:06:39 ****** kernel: rklogd 2.0.2, log source = /proc/kmsg started.
I understand there will be no logs during the reboot but, why exactly did the server reboot? I have two doubts:
1.Was the SNPD process with the error "missing ":" separator" the cause for reboot?
2. Why did rsyslogd run immediately aftyer the reboot? Can it help me trace the reboot cause?
Thanks in Advance.
Last edited by satish51392111; 03-12-2012 at 01:35 PM..
Reason: forgot codetags
a few of some live payroll files have been deleted / missing ... i've restored last nites backup ... what could be the possibilities of this strange occurance ... users have menus to work on and use these live files ... we run an aix box with a ksh shell. Where do I start ??
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Discussion started by: SkySmart
2 Replies
LEARN ABOUT OSF1
reboot
reboot(2) System Calls Manual reboot(2)NAME
reboot - Reboots system or halts processor
SYNOPSIS
#include <sys/reboot.h>
void reboot( int howto );
PARAMETERS
Specifies a mask of options.
DESCRIPTION
The reboot() function restarts the system. The startup is automatic and brings up /vmunix in the normal, nonmaintenance mode. The calling
process must have superuser privilege to run this function successfully. However, a reboot is invoked automatically in the event of unre-
coverable system failures.
The following options, defined in the sys/reboot.h include file are passed to the new kernel or the new bootstrap and init programs. They
are supplied as values to the howto parameter. The default, causing the system to reboot in its usual fashion. Dump kernel memory before
rebooting; see the savecore command for more information. The processor is simply halted; no reboot takes place. The disks are not sync'd
before the processor is halted or rebooted. Normally, the disks are sync'd (see the sync() command) before the processor is halted or
rebooted. Because the disks are not sync'd with the RB_NOSYNC option, loss of data may result from using it.
When no options are given (that is, RB_AUTOBOOT is used), the system is rebooted from file vmunix in the root file system of unit 0 (zero)
of a disk chosen in a processor-specific way. (see the fsck command).
RETURN VALUES
If successful, this call does not return. Otherwise, a -1 is returned and errno is set to indicate the error.
ERRORS
If the reboot() function fails, errno may be set to the following value: The calling process does not have appropriate privilege.
RELATED INFORMATION
Commands: crashdc(8),
halt(8), init(8), reboot(8), savecore(8) delim off
reboot(2)
03-12-2012
