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HDDS-15016. [Website v2] [Docs] [Administrator Guide] Directory Configurations for Storage Container Manager. #391

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HDDS-15016. [Website v2] [Docs] [Administrator Guide] Directory Configurations for Storage Container Manager. #391

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14 changes: 12 additions & 2 deletions ...-guide/02-configuration/01-basic/03-directories/02-storage-container-manager.md
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draft: true
sidebar_label: Storage Container Manager
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# Directory Configurations for Storage Container Manager

**TODO:** File a subtask under [HDDS-9859](https://issues.apache.org/jira/browse/HDDS-9859) and complete this page or section.
This section describes directory-related configuration properties used by the Storage Container Manager (SCM).

| Property Name | Description | Tags | Default/Example Value | Sample Value |
| --------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------- | ----------------------------------------- | ---------------------------- |
| `ozone.scm.db.dirs` | SCM metadata directory (set one path). SCM creates it if missing. If unset, SCM warns and uses `ozone.metadata.dirs`—avoid in production. | OZONE, SCM, STORAGE, PERFORMANCE | Empty (uses `ozone.metadata.dirs`) | `/var/data/ozone/scm` |
| `ozone.scm.db.dirs.permissions` | Permissions for SCM metadata dirs (octal or symbolic). | | `700` | `700` |
| `ozone.metadata.dirs` | Fallback metadata root for SCM, OM, Recon, and Datanodes when component-specific dirs are unset. Fine for test/PoC; in production set `ozone.scm.db.dirs`, `ozone.om.db.dirs`, and Datanode data dirs. | OZONE, OM, SCM, CONTAINER, STORAGE, REQUIRED | Empty | `/data/ozone/metadata` |
| `ozone.scm.ha.ratis.storage.dir` | Ratis **log** directory for SCM when SCM HA is enabled. Prefer fast, durable disks (for example SSD). | OZONE, SCM, HA, RATIS | Empty | `/var/data/ozone/scm/ratis` |
| `ozone.scm.ha.ratis.snapshot.dir` | Ratis **snapshot** directory for SCM when SCM HA is enabled. | OZONE, SCM, HA, RATIS | Empty | `/var/data/ozone/scm/snapshot` |
| `hdds.key.dir.name` | Subdirectory **name** (relative to the SCM/HDDS metadata directory) where the SCM CA stores key material. | SCM, HDDS, X509, SECURITY | `keys` | `keys` |

For all keys and defaults, see the [configuration appendix](../../appendix).
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