Troubleshooting
- Best practices for troubleshooting
Following certain best practices make the troubleshooting process easier. - Understanding the system limitations
It is important to understand the system limitations to analyze whether you are facing a real issue in the IBM Spectrum Scale™ system. - Collecting details of the issues
You need to collect the details of the issues that are reported in the system to start the troubleshooting process. - Managing deadlocks
IBM Spectrum Scale provides functions for automatically detecting potential deadlocks, collecting deadlock debug data, and breaking up deadlocks. - Installation and configuration issues
You might encounter errors with GPFS™ installation, configuration, and operation. Use the information in this topic to help you identify and correct errors. - Upgrade issues
This topic describes the issues that you might encounter while upgrading IBM Spectrum Scale from one version to another. - Network issues
This topic describes network issues that you might encounter while using IBM Spectrum Scale. - File system issues
Suspect a GPFS file system problem when a file system will not mount or unmount. - Disk issues
GPFS uses only disk devices prepared as Network Shared Disks (NSDs). However NSDs might exist on top of a number of underlying disk technologies. - Security issues
This topic describes some security issues that you might encounter while using IBM Spectrum Scale. - Protocol issues
This topic describes the protocol-related issues (NFS, SMB, and Object) that you might come across while using IBM Spectrum Scale. - Disaster recovery issues
As with any type of problem or failure, obtain the GPFS log files (mmfs.log.*) from all nodes in the cluster and, if available, the content of the internal dumps. - Performance issues
The performance issues might occur because of the system components or configuration or maintenance issues. - GUI issues
The topics listed in this section provide the list of most frequent and important issues reported with the IBM Spectrum Scale GUI. - AFM issues
The following table lists the common questions in AFM. - AFM DR issues
This topic lists the answers to the common AFM DR questions. - Transparent cloud tiering issues
This topic describes the common issues (along with workarounds) that you might encounter while using Transparent cloud tiering. - File audit logging issues
The following topics discuss issues that you might encounter in file audit logging. - Troubleshooting watch folder
Use this information to troubleshoot watch folder. - Maintenance procedures
The directed maintenance procedures (DMPs) assist you to fix certain issues reported in the system. - Recovery procedures
You need to perform certain procedures to recover the system to minimize the impact of the issue reported in the system and to bring the system back to the normal operating state. The procedure re-creates the system by using saved configuration data or by restarting the affected services. - Support for troubleshooting
This topic describes the support that is available for troubleshooting any issues that you might encounter while using IBM Spectrum Scale . - References
The IBM Spectrum Scale system displays messages if it encounters any issues when you configure the system. The message severity tags helps to assess the severity of the issue.