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System Administration Guide: Advanced Administration
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Document Information


1.  Managing Terminals and Modems (Overview)

2.  Setting Up Terminals and Modems (Tasks)

3.  Managing Serial Ports With the Service Access Facility (Tasks)

4.  Managing System Resources (Overview)

5.  Displaying and Changing System Information (Tasks)

6.  Managing Disk Use (Tasks)

7.  Managing UFS Quotas (Tasks)

8.  Scheduling System Tasks (Tasks)

9.  Managing System Accounting (Tasks)

10.  System Accounting (Reference)

11.  Managing System Performance (Overview)

12.  Managing System Processes (Tasks)

13.  Monitoring System Performance (Tasks)

14.  Troubleshooting Software Problems (Overview)

15.  Managing System Messages

16.  Managing Core Files (Tasks)

17.  Managing System Crash Information (Tasks)

18.  Troubleshooting Miscellaneous Software Problems (Tasks)

What to Do If Rebooting Fails

What to Do If You Forgot the Root Password

x86: What to Do If the SMF Boot Archive Service Fails During a System Reboot

What to Do If a System Hangs

What to Do If a File System Fills Up

File System Fills Up Because a Large File or Directory Was Created

A TMPFS File System is Full Because the System Ran Out of Memory

What to Do If File ACLs Are Lost After Copy or Restore

Troubleshooting Backup Problems

The root (/) File System Fills Up After You Back Up a File System

Make Sure the Backup and Restore Commands Match

Check to Make Sure You Have the Right Current Directory

Interactive Commands

Troubleshooting Common Agent Container Problems in the Oracle Solaris OS

Port Number Conflicts

How to Check Port Numbers

Compromised Security for Superuser Password

How to Generate Security Keys for the Oracle Solaris OS

19.  Troubleshooting File Access Problems (Tasks)

20.  Resolving UFS File System Inconsistencies (Tasks)

21.  Troubleshooting Software Package Problems (Tasks)


What to Do If Rebooting Fails

If the system does not reboot completely, or if it reboots and then crashes again, there might be a software or hardware problem that is preventing the system from booting successfully.

Cause of System Not Booting
How to Fix the Problem
The system can't find /platform/`uname -m`/kernel/unix.
You may need to change the boot-device setting in the PROM on a SPARC based system. For information on changing the default boot device, see How to Change the Default Boot Device by Using the Boot PROM in System Administration Guide: Basic Administration.
Oracle Solaris 10: There is no default boot device on an x86 based system. The message displayed is:

Not a UFS filesystem.

Oracle Solaris 10: Boot the system by using the Configuration Assistant/boot diskette and select the disk from which to boot.
Solaris 10 1/06: The GRUB boot archive has become corrupted. Or, the SMF boot archive service has failed. An error message is displayed if you run the svcs -x command.
Solaris 10 1/06: Boot the failsafe archive.
There's an invalid entry in the /etc/passwd file.
There's a hardware problem with a disk or another device.
Check the hardware connections:
  • Make sure the equipment is plugged in.

  • Make sure all the switches are set properly.

  • Look at all the connectors and cables, including the Ethernet cables.

  • If all this fails, turn off the power to the system, wait 10 to 20 seconds, and then turn on the power again.

If none of the above suggestions solve the problem, contact your local service provider.