Services chart
Admin panel
On the Services chart, you can monitor two types of services:
- Metadata services (MDS). The number of all disks with the metadata role. Ensure that at least three MDSes are running at all times.
- Chunk services (CS). The number of all disks with the storage role.
Typical statistics may look like this:
The green color on the chart indicates active services. If some time periods are highlighted in a different color, you can hover over them to check the services status. To see a list of service statuses, refer to Monitoring node disks.
Command-line interface
Use the following command:
vinfra cluster overview
For example, to view the information about the storage services in the cluster cluster1
, take a look at these lines from the command output:
+-------------------+-------------------------+ | Field | Value | +-------------------+-------------------------+ | ... | ... | | cs | failed: 0 | | | slow: 0 | | | total: 5 | | ... | ... | | mds | failed: 0 | | | total: 3 | +-------------------+-------------------------+