Sun StorEdge SAM-FS Troubleshooting Guide
Version 4, Update 4
819-2756-10
Contents |
To Check ps(1) Output and Related Factors
Enabling Device Down Notification
Troubleshooting Utilities and the samexplorer(1M) Diagnostic Report
Hardware Configuration Problems
SAN-attached Device Configuration Problems
Troubleshooting Configuration Files
The /etc/opt/SUNWsamfs/mcf File
Verifying mcf Drive Order Matching for Direct-attached Libraries
Verifying mcf Drive Order Matching for Network-attached Libraries
The /kernel/drv/samst.conf File
The /etc/opt/SUNWsamfs/inquiry.conf File
The /etc/opt/SUNWsamfs/defaults.conf File
Planning for Disaster Recovery
Recovering From Failure of the Operating Environment Disk
Testing Backup and Recovery Methods
Testing Backup Scripts and cron Jobs
Testing the Disaster Recovery Process
2. Troubleshooting Sun StorEdge SAM-FS Software
Additional Archiver Diagnostics
3. Troubleshooting the File System Manager
File System Manager Portal Agent Configuration and Log Files
To Enable Tracing for File System Manager and Native Code
To Enable Tracing or To Adjust the Tracing Level
File System Manager Portal Agent Tracing
Remote Procedure Call (RPC) Daemon Information
To Determine Whether the RPC Daemon Is Running
Guarding Against or Troubleshooting Data Loss
Precautions Before Starting Data Restoration
To Troubleshoot an Inaccessible File System
Prerequisites for Data Recovery
Metadata Used in Disaster Recovery
More About Directory Pathnames
SAM-QFS Disaster Recovery Features
Guidelines for Performing Dumps
Backing Up the Metadata in SAM-QFS File Systems
Using samfsdump With the -u Option
To Find Sun StorEdge QFS File Systems
To Create a Sun StorEdge SAM-FS Metadata Dump File Manually Using File System Manager
To Create a Sun StorEdge SAM-FS Metadata Dump File Manually Using the Command Line
To Create a Sun StorEdge SAM-FS Metadata Dump File Automatically From the File System Manager
To Create a Sun StorEdge SAM-FS Metadata Dump File Automatically Using cron
Disaster Recovery Commands and Tools
Additional Backup Considerations
How and Where to Keep Copies of Disaster Recovery Files and Metadata
5. Restoring Files and Directories
Restoring Regular Files and Directories With samfsdump(1M) Output
To Restore Files Using File System Manager
To Restore Using a samfsdump(1M) File
Restoring Files and Directories Without samfsdump(1M) Output
Information Needed to Restore a File
Determining Whether a File Is a Regular File, a Segmented File, or a Volume Overflow File
To Restore a Regular File Using Information From an Archiver Log or sls Command Output
Restoring a Regular File Without Information From an Archiver Log
To Restore a Regular File Without Information From an Archiver Log
Restoring a Segmented File Using Information From an Archiver Log
To Restore a Segmented File Using Information From Archiver Log Entries
Restoring a Volume Overflow File Using Information From an Archiver Log
To Restore a Volume Overflow File Using Information From an Archiver Log
Restoring Files Archived to Disk
To Gather Information for a Disk Archive Restoration
Method 2 - Using the Archiver Log File
To Restore a Single File From a Disk Archive tar(1) File
To Restore Multiple Files From a Disk Archive tar(1) File
Retrieving Unarchived Files From File Systems
Recovering Data From a Tape Volume
Damaged Tape Volume - Other Copies Available
To Recycle a Damaged Tape - Other Copies Available
Damaged Tape Volume - No Other Copies Available
To Recover Files From a Damaged Tape - No Other Copies Available
Relabeled Tape Volume - No Other Copies Available
Unreadable Tape Label - No Other Copies Available
To Recover Files From a Tape Whose Label Is Unreadable
Recovering Data From a Magneto-optical Volume
Damaged Magneto-optical Volume - Copies Available
To Rearchive Files and Recycle a Damaged Magneto-optical Volume--Copies Available
Damaged Magneto-optical Volume - No Other Copies Available
To Recover From a Damaged Magneto-optical Volume - No Other Copies Available
Relabeled Magneto-optical Volume - No Other Copies Available
Unreadable Label - No Other Copies Available
Recovering a SAM-QFS File System With a Metadata Dump File
To Restore a File System Using File System Manager
To Restore a File System Using the Command Line Interface
Recovering a SAM-QFS File System Without a Dump File
To Recover Without a Dump File
8. Recovering From Catastrophic Failure
To Recover From a Catastrophic Failure
To Restore Failed System Components
To Disable the Archiver and Recycler Until All Files Are Restored
To Keep and Compare Previous and Current Configuration and Log Files
To Restore or Build New Library Catalog Files
To Make New File Systems and Restore From samfsdump Output
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