Chapter 25. Troubleshooting Solaris Volume Manager (Tasks)

Table of Contents

Troubleshooting Solaris Volume Manager (Task Map)
Overview of Troubleshooting the System
Prerequisites for Troubleshooting the System
General Guidelines for Troubleshooting Solaris Volume Manager
General Troubleshooting Approach
Replacing Disks
Recovering From Disk Movement Problems
Disk Movement and Device ID Overview
Resolving Unnamed Devices Error Message
Device ID Discrepancies After Upgrading to the Solaris 10 Release
Recovering From Boot Problems
Background Information for Boot Problems
How to Recover From Improper /etc/vfstab Entries
Recovering From State Database Replica Failures
Recovering From Soft Partition Problems
Recovering Storage From a Different System
Recovering Storage From a Known Disk Set
Recovering From Disk Set Problems
What to Do When You Cannot Take Ownership of A Disk Set
Performing Mounted Filesystem Backups Using the ufsdump Command
Performing System Recovery

Troubleshooting Solaris Volume Manager (Task Map)

The following task map identifies some procedures that are needed to troubleshoot Solaris Volume Manager.

Task

Description

For Instructions

Replace a failed disk

Replace a disk, then update state database replicas and logical volumes on the new disk.

How to Replace a Failed Disk

Recover from disk movement problems

Restore disks to original locations or contact product support.

Recovering From Disk Movement Problems

Recover from improper /etc/vfstab entries

Use the fsck command on the mirror, then edit the /etc/vfstab file so that the system boots correctly.

How to Recover From Improper /etc/vfstab Entries

Recover from a boot device failure

Boot from a different submirror.

How to Recover From a Boot Device Failure

Recover from insufficient state database replicas

Delete unavailable replicas by using the metadb command.

How to Recover From Insufficient State Database Replicas

Recover configuration data for a lost soft partition

Use the metarecover command to recover configuration data for a soft partition.

How to Recover Configuration Data for a Soft Partition

Recover a Solaris Volume Manager configuration from salvaged disks

Attach disks to a new system and have Solaris Volume Manager rebuild the configuration from the existing state database replicas.

How to Recover Storage From a Local Disk Set

Recover storage from a different system

Import storage from known disk sets to a different system.

Recovering Storage From a Different System

Purge an inaccessible disk set.

Use the metaset command to purge knowledge of a disk set that you cannot take or use.

Recovering From Disk Set Problems

Recover a system configuration stored on Solaris Volume Manager volumes.

Use Solaris OS installation media to recover a system configuration stored on Solaris Volume Manager volumes.

Performing System Recovery