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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)

What's New in Managing System Crash Information

Fast Crash Dump Facility

Managing System Crash Information (Task Map)

System Crashes (Overview)

Oracle Solaris ZFS Support for Swap Area and Dump Devices

x86: System Crashes in the GRUB Boot Environment

System Crash Dump Files

Saving Crash Dumps

The dumpadm Command

How the dumpadm Command Works

Dump Devices and Volume Managers

Managing System Crash Dump Information

How to Display the Current Crash Dump Configuration

How to Modify a Crash Dump Configuration

How to Examine a Crash Dump

How to Recover From a Full Crash Dump Directory (Optional)

How to Disable or Enable Saving Crash Dumps

18.  Troubleshooting Miscellaneous Software Problems (Tasks)

19.  Troubleshooting File Access Problems (Tasks)

20.  Resolving UFS File System Inconsistencies (Tasks)

21.  Troubleshooting Software Package Problems (Tasks)


Managing System Crash Information (Task Map)

The following task map identifies the procedures needed to manage system crash information.

For Instructions
1. Display the current crash dump configuration.
Display the current crash dump configuration by using the dumpadm command.
2. Modify the crash dump configuration.
Use the dumpadm command to specify the type of data to dump, whether or not the system will use a dedicated dump device, the directory for saving crash dump files, and the amount of space that must remain available after crash dump files are written.
3. Examine a crash dump file.
Use the mdb command to view crash dump files.
4. (Optional) Recover from a full crash dump directory.
The system crashes, but no room is available in the savecore directory, and you want to save some critical system crash dump information.
5. (Optional) Disable or enable the saving of crash dump files.
Use the dumpadm command to disable or enable the saving the crash dump files. Saving crash dump files is enabled by default.