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Updates for release 4.0.17 #26

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37 changes: 34 additions & 3 deletions content/concepts/metrics.md
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Expand Up @@ -43,10 +43,41 @@ To scrape data in Prometheus, each node must be accessible by port `10443`.

DirectPV node server exports the following metrics:

- directpv_stats_bytes_used
- directpv_stats_bytes_total
- `directpv_stats_bytes_used`

These metrics are categorized by labels ['tenant', 'volumeID', 'node'] and represent the volume stats of the published volumes.
Total number of bytes used by the volume

- `directpv_stats_bytes_total`

Total number of bytes allocated to the volume

The following additional metrics are available in release 4.0.17 or later.

- `directpv_stats_drive_ready`

Provides the drive status, either online or offline

- `directpv_stats_drive_total_read_bytes`

Total number of bytes read from the drive

- `directpv_stats_drive_total_write_bytes`

Total number of bytes written to the drive

- `directpv_stats_drive_read_latency_seconds`

Drive read latency, in seconds

- `directpv_stats_drive_write_latency_seconds`

Drive write latency, in seconds

- `directpv_stats_drive_wait_time_seconds`

Drive Wait Time, in seconds

These metrics are categorized by labels [`drive`, `tenant`, `volumeID`, `node`] and represent the volume stats of the published volumes.

## Configuration

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11 changes: 11 additions & 0 deletions content/installation/upgrade.md
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Expand Up @@ -19,6 +19,17 @@ DirectPV continues to support `PodSecurityPolicy` in the 4.0.x versions.
DirectPV 4.1.x and later removed support for `PodSecurityPolicy`.
{{< /admonition >}}

## Version support

Version **4.1.x** is the latest lineage of open source DirectPV CSI Driver.
Most users should install or upgrade to the latest release in this lineage.
However, if you require continued use of the deprecated `PodSecurityPolicy` feature, be sure to follow the upgrade guide carefully.

Version **4.0.x** lineage entered maintenance mode on January 1, 2025.
There is no future development of this lineage expected, though it may continue to receive bug fix and security releases from time to time.

Versions older than 4.0.0 are no longer supported.

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I ... have never encountered the term "lineage" to refer to this kind of version association, and it does not seem common. (I couldn't find it anywhere else in our docs, either ...) So ... suggestion, happy to discuss further. I don't think we need any equivalent, though -- this isn't an uncommon thing with release versions ime ...

Suggested change
Version **4.1.x** is the latest lineage of open source DirectPV CSI Driver.
Most users should install or upgrade to the latest release in this lineage.
However, if you require continued use of the deprecated `PodSecurityPolicy` feature, be sure to follow the upgrade guide carefully.
Version **4.0.x** lineage entered maintenance mode on January 1, 2025.
There is no future development of this lineage expected, though it may continue to receive bug fix and security releases from time to time.
Versions older than 4.0.0 are no longer supported.
Version **4.1.x** is the most recent version of the open source DirectPV CSI Driver.
Most users should install or upgrade to the latest release in this lineage.
However, if you require continued use of the deprecated `PodSecurityPolicy` feature, be sure to follow the upgrade guide carefully.
Version **4.0.x** entered maintenance mode on January 1, 2025.
No future development of this version is expected. It may continue to receive bug fix and security releases from time to time.
Versions older than 4.0.0 are no longer supported.

## Upgrade DirectPV CSI Driver from 4.x.x to latest

### Offline upgrade
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