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README.md
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@ -204,23 +204,33 @@ Additionally, all the VictoriaMetrics components allow setting flag values via e
## Automatic vmstorage discovery
[Entrprise version of VictoriaMetrics](https://docs.victoriametrics.com/enterprise.html) supports [dns+srv](https://en.wikipedia.org/wiki/SRV_record) names
at `-storageNode` command-line flag passed to `vminsert` and `vmselect`. In this case the provided `dns+srv` names are resolved
into tcp addresses of `vmstorage` nodes to connect to. The list of discovered `vmstorage` nodes is automatically updated at `vminsert` and `vmselect`
when it changes behind the corresponding `dns+srv` names. The `dns+srv` names must be prefixed with `dns+srv:` prefix.
`vminsert` and `vmselect` components in [entrprise version of VictoriaMetrics](https://docs.victoriametrics.com/enterprise.html) support
the following approaches for automatic discovery of `vmstorage` nodes:
It is possible passing multiple `dns+srv` names to `-storageNode` command-line flag. In this case all these names are resolved to tcp addresses of `vmstorage` nodes to connect to.
For example, `-storageNode='dns+srv:vmstorage-hot' -storageNode='dns+srv:vmstorage-cold'` .
- file-based discovery - put the list of `vmstorage` nodes into a file - one node address per each line - and then pass `-storageNode=file:/path/to/file-with-vmstorage-list`
to `vminsert` and `vmselect`. It is possible to read the list of vmstorage nodes from http or https urls.
For example, `-storageNode=file:http://some-host/vmstorage-list` would read the list of storage nodes
from `http://some-host/vmstorage-list`.
The list of discovered `vmstorage` nodes is automatically updated when the file contents changes.
The update frequency can be controlled with `-storageNode.discoveryInterval` command-line flag.
It is OK to pass regular static `vmstorage` addresses together with `dns+srv` addresses at `-storageNode`. For example,
- [dns+srv](https://en.wikipedia.org/wiki/SRV_record) - pass `dns+src:some-name` value to `-storageNode` command-line flag.
In this case the provided `dns+srv` names are resolved into tcp addresses of `vmstorage` nodes.
The list of discovered `vmstorage` nodes is automatically updated at `vminsert` and `vmselect`
when it changes behind the corresponding `dns+srv` names.
The update frequency can be controlled with `-storageNode.discoveryInterval` command-line flag.
It is possible passing multiple `file` and `dns+srv` names to `-storageNode` command-line flag. In this case all these names
are resolved to tcp addresses of `vmstorage` nodes to connect to.
For example, `-storageNode=file:/path/to/local-vmstorage-list -storageNode='dns+srv:vmstorage-hot' -storageNode='dns+srv:vmstorage-cold'`.
It is OK to pass regular static `vmstorage` addresses together with `file` and `dns+srv` addresses at `-storageNode`. For example,
`-storageNode=vmstorage1,vmstorage2 -storageNode='dns+srv:vmstorage-autodiscovery'`.
The discovered addresses can be filtered with optional `-storageNode.filter` command-line flag, which can contain arbitrary regular expression filter.
For example, `-storageNode.filter='^[^:]+:8400$'` would leave discovered addresses ending with `8400` port only, e.g. the default port used
for sending data from `vminsert` to `vmstorage` node according to `-vminsertAddr` command-line flag.
The discovered `vmstorage` nodes list refreshes with the interval, which can be specified via `-storageNode.discoveryInterval` command-line flag.
The currently discovered `vmstorage` nodes can be [monitored](#monitoring) with `vm_rpc_vmstorage_is_reachable` and `vm_rpc_vmstorage_is_read_only` metrics.
## mTLS protection

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docs/Cluster-VictoriaMetrics.md
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@ -208,23 +208,33 @@ Additionally, all the VictoriaMetrics components allow setting flag values via e
## Automatic vmstorage discovery
[Entrprise version of VictoriaMetrics](https://docs.victoriametrics.com/enterprise.html) supports [dns+srv](https://en.wikipedia.org/wiki/SRV_record) names
at `-storageNode` command-line flag passed to `vminsert` and `vmselect`. In this case the provided `dns+srv` names are resolved
into tcp addresses of `vmstorage` nodes to connect to. The list of discovered `vmstorage` nodes is automatically updated at `vminsert` and `vmselect`
when it changes behind the corresponding `dns+srv` names. The `dns+srv` names must be prefixed with `dns+srv:` prefix.
`vminsert` and `vmselect` components in [entrprise version of VictoriaMetrics](https://docs.victoriametrics.com/enterprise.html) support
the following approaches for automatic discovery of `vmstorage` nodes:
It is possible passing multiple `dns+srv` names to `-storageNode` command-line flag. In this case all these names are resolved to tcp addresses of `vmstorage` nodes to connect to.
For example, `-storageNode='dns+srv:vmstorage-hot' -storageNode='dns+srv:vmstorage-cold'` .
- file-based discovery - put the list of `vmstorage` nodes into a file - one node address per each line - and then pass `-storageNode=file:/path/to/file-with-vmstorage-list`
to `vminsert` and `vmselect`. It is possible to read the list of vmstorage nodes from http or https urls.
For example, `-storageNode=file:http://some-host/vmstorage-list` would read the list of storage nodes
from `http://some-host/vmstorage-list`.
The list of discovered `vmstorage` nodes is automatically updated when the file contents changes.
The update frequency can be controlled with `-storageNode.discoveryInterval` command-line flag.
It is OK to pass regular static `vmstorage` addresses together with `dns+srv` addresses at `-storageNode`. For example,
- [dns+srv](https://en.wikipedia.org/wiki/SRV_record) - pass `dns+src:some-name` value to `-storageNode` command-line flag.
In this case the provided `dns+srv` names are resolved into tcp addresses of `vmstorage` nodes.
The list of discovered `vmstorage` nodes is automatically updated at `vminsert` and `vmselect`
when it changes behind the corresponding `dns+srv` names.
The update frequency can be controlled with `-storageNode.discoveryInterval` command-line flag.
It is possible passing multiple `file` and `dns+srv` names to `-storageNode` command-line flag. In this case all these names
are resolved to tcp addresses of `vmstorage` nodes to connect to.
For example, `-storageNode=file:/path/to/local-vmstorage-list -storageNode='dns+srv:vmstorage-hot' -storageNode='dns+srv:vmstorage-cold'`.
It is OK to pass regular static `vmstorage` addresses together with `file` and `dns+srv` addresses at `-storageNode`. For example,
`-storageNode=vmstorage1,vmstorage2 -storageNode='dns+srv:vmstorage-autodiscovery'`.
The discovered addresses can be filtered with optional `-storageNode.filter` command-line flag, which can contain arbitrary regular expression filter.
For example, `-storageNode.filter='^[^:]+:8400$'` would leave discovered addresses ending with `8400` port only, e.g. the default port used
for sending data from `vminsert` to `vmstorage` node according to `-vminsertAddr` command-line flag.
The discovered `vmstorage` nodes list refreshes with the interval, which can be specified via `-storageNode.discoveryInterval` command-line flag.
The currently discovered `vmstorage` nodes can be [monitored](#monitoring) with `vm_rpc_vmstorage_is_reachable` and `vm_rpc_vmstorage_is_read_only` metrics.
## mTLS protection