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Operating Systems Solaris system always reboots
# 1  
Old 04-18-2005
system always reboots

i have a sun 280R server , that reboots randomly .

i have checked for hardware failures but none can be seen .
here is the output of prtdiag -v


System Configuration: Sun Microsystems sun4u Sun Fire 280R (2 X UltraSPARC-III
+)
System clock frequency: 150 MHz
Memory size: 2048 Megabytes

========================= CPUs ===============================================

Run E$ CPU CPU
Brd CPU MHz MB Impl. Mask
--- --- ---- ---- ------- ----
A 0 900 8.0 US-III+ 2.3
B 1 900 8.0 US-III+ 2.2

========================= Memory Configuration ===============================

Logical Logical Logical
MC Bank Bank Bank DIMM Interleave Interleaved
Brd ID num size Status Size Factor with
---- --- ---- ------ ----------- ------ ---------- -----------
CA 0 0 512MB no_status 256MB 4-way 0
CA 0 1 512MB no_status 256MB 4-way 0
CA 0 2 512MB no_status 256MB 4-way 0
CA 0 3 512MB no_status 256MB 4-way 0

========================= IO Cards =========================


Bus Max
IO Port Bus Freq Bus Dev,
Brd Type ID Side Slot MHz Freq Func State Name
Model
---- ---- ---- ---- ---- ---- ---- ---- ----- --------------------------------
----------------------
I/O PCI 8 B 2 33 33 3,0 ok SUNW,m64B
SUNW,370-4362


========================= Environmental Status =========================

System Temperatures (Celsius):
------------------------------
cpu0 1
---------
52 55

=================================

Front Status Panel:
-------------------
Keyswitch position: NORMAL

System LED Status: POWER GEN FAULT
[ ON] [OFF]

=================================

Disk Status:
Presence Fault Value
-------- -----------
DISK 0: [PRESENT] [NO_FAULT]
DISK 1: [PRESENT] [NO_FAULT]

=================================

Fan Bank :
----------

Bank Status
---- -------
FAN [NO_FAULT]

=================================

Power Supplies:
---------------
Supply Status PS Type
------ ------ ---------------
PS0 [NO_FAULT] [Sun-Fire-280R]
PS1 [NO_FAULT] [Sun-Fire-280R]

=================================


========================= HW Revisions =======================================

System PROM revisions:
----------------------
OBP 4.5.16 2002/05/01 19:28

IO ASIC revisions:
------------------
Port
Model ID Status Version
-------- ---- ------ -------
Schizo 8 ok 5




But there is something i notice for the proceeses is that there is a processes that always found to be a "Zombie" even after a system reboot .


nobody 2864K 2336K sleep 59 0 0:00:00 0.0% lic.SUNW/1
nobody 0K 0K zombie 0 - 0:00:00 0.0% /0
nobody 1072K 760K sleep 59 0 0:00:00 0.0% lic_logger.sh/1
root 3176K 1056K sleep 59 0 0:00:00 0.0% lpsched/1
root 2112K 1024K sleep 59 0 0:00:00 0.0% hpnpd/1
root 2320K 1176K sleep 59 0 0:00:00 0.0% cron/1
root 4368K 1944K sleep 59 0 0:00:00 0.0% sendmail/1
root 3080K 1936K sleep 59 0 0:00:00 0.0% htt_server/2
root 3464K 1768K sleep 59 0 0:00:00 0.0% syslogd/13
daemon 9480K 2352K sleep 59 0 0:00:00 0.0% dwhttpd/1
root 1736K 680K sleep 59 0 0:00:00 0.0% smcboot/1
nobody 2664K 1944K sleep 59 0 0:00:00 0.0% lmgrd.ste/1



thanks for ur help .
# 2  
Old 04-18-2005
if the reboots are consistently happening at certain times ... i'd check for processes going on right before those times --- probably do a "ps -ef > /not_tmp_dir/file" --- and see if something is rebooting the box ... also, i'd check for errors and/or warnings on all the log files ... check root cron jobs too ...

if the reboots are inconsistent ( and/or var/adm/messages is clear and/or no "freak" processes are rebooting the box) and if the box is conected to a UPS unit ... i'd look at the UPS unit and anything else connected to the power supply ...

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