Preflight check tool
The preflight check tool is a collection of tests that detects and optionally fixes configuration settings on DataStax Enterprise nodes.
The preflight check tool is a collection of tests that can be run on a DataStax Enterprise node to detect and fix node configurations. The tool can detect and optionally fix many invalid or suboptimal configuration settings, such as user resource limits, swap, and disk settings.
In Installer-Services and package installations, the preflight check tool is located in /usr/share/dse/tools/pfc. It is not available in No-Service and tarball installations.
Usage
cd /usr/share/dse/tools/pfc $ sudo ./preflight_check options
| Option | Option | Description |
|---|---|---|
| --help | -h | Show help and exit. |
| --fix | -f | Attempt to fix issues. |
| --yaml=YAML_LOCATION | Location of cassandra.yaml file | |
| --devices=DEVICES | Comma separated lists of
HDDs: /dev/sda,/dev/sdb,... |
|
| --disk-duration=DISK_DURATION | Time (in seconds) for each test disk benchmark. Set to simulate a normal load. |
|
| --disk-threads=DISK_THREADS | Number of threads for each disk benchmark. Set to simulate a normal load. |
|
| --ssd=SSD | Comma separated lists of
SSDs: /dev/sda,/dev/sdb,... |
|
| --nossd | The node does not have SSDs. |
| Installer-Services | /etc/dse/cassandra/cassandra.yaml |
| Package installations | /etc/dse/cassandra/cassandra.yaml |
| Installer-No Services | install_location/resources/cassandra/conf/cassandra.yaml |
| Tarball installations | install_location/resources/cassandra/conf/cassandra.yaml |