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rebooting HMC

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Operating Systems AIX rebooting HMC
# 8  
Old 04-16-2012
I had the same issue and opened a PMR with IBM. This was our problem and resolution.

Quote:
PROBLEM: The HMC is not connected to the p570. We rebooted it but it still did not connect. Its “State” says “No Connection”.

RESOLUTION: Remove the connection and read it.

Get the IP address for the managed system with the failed connection from:
lssysconn -r all

Remove the connection with:
rmsysconn -o remove --ip 192.168.255.254

Automatically find all the managed systems with:
mksysconn -o auto

The auto-find-managed-system should take about 5-10 minutes and the managed system should just appear. After 20 minutes, I replaced the network cable and the managed system came up within a few seconds. I had to reset the password for the user “HMC” so that the p570 could be brought back into the HMC. There were also some sysplanar errors that came out around 3:30 p.m. today about which we will need to open a hardware ticket with IBM.
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LEARN ABOUT SUNOS

reboot

reboot(3C)																reboot(3C)

NAME

       reboot - reboot system or halt processor

SYNOPSIS

       #include <sys/reboot.h>

       int reboot(int howto, char *bootargs);

       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.

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

       The reboot() function will fail if:

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

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

								    22 Mar 2004 							reboot(3C)