guihecheng opened a new pull request #2290:
URL: https://github.com/apache/ozone/pull/2290
## What changes were proposed in this pull request?
Ensure disk checker also scans the ratis log disks periodically.
To do so, I did some refactoring work, and then add ratis log disks to disk
checker.
Here is a checklist:
**Done**:
- Introduce a base class `StorageVolume` and let `HddsVolume` extends it.
VolumeInfo and disk check stuff are extracted into `StorageVolume`
- Introduce a sub class `MetadataVolume` extends `StorageVolume`,
so it shares the VolumeInfo and disk check stuff.
- Migrate ratisVolumeMap from `XceiverServerRatis` to `MutableVolumeSet`,
so we mange all kinds of volumes together.
- The config 'failed.volumes.tolerated' takes failed metadata volumes into
consideration.
- Add VolumeInfo related fields into `MetadataStorageReportProto`,
so SCM could get space info from datanodes.
**Not Done**:
- Handle the case that `MetadataVolume` and `HddsVolume` are on the same
physical disk,
so for now failed volumes may be double counted.
- Try to check a single failed `MetadataVolume` on log failure.
## What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/HDDS-5268
## How was this patch tested?
Exisiting unit-tests and integration-tests.
To add more tests.
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