kemko/nomad
1
0
Fork 0
mirror of https://github.com/kemko/nomad.git synced 2026-01-03 17:05:43 +03:00
Code Issues Packages Projects Releases Wiki Activity

docs: add drain upgrade guide

Browse Source
This commit is contained in:
Michael Schurter
2018-04-12 11:42:23 -07:00
parent 05fc3f2e97
commit 170b322d03
1 changed files with 14 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
website/source/docs/upgrade/upgrade-specific.html.md
View File

@@ -51,6 +51,16 @@ Raft Protocol versions supported by each Consul version:
In order to enable all [Autopilot](/guides/cluster/autopilot.html) features, all servers
in a Nomad cluster must be running with Raft protocol version 3 or later.
### Node Draining Improvements
Node draining via the [`node drain`][drain-cli] command or the [drain
API][drain-api] has been substantially changed in Nomad 0.8. In Nomad 0.7.1 and
earlier draining a node would immediately stop all allocations on the node
being drained. Nomad 0.8 now supports a [`migrate`][migrate] stanza in job
specifications to control how many allocations may be migrated at once.
See the [Decommissioning Nodes guide](/guides/node-draining.html) for details.
### Periods in Environment Variable Names No Longer Escaped
*Applications which expect periods in environment variable names to be replaced
@@ -210,3 +220,7 @@ draining the node so no tasks are running on it. This can be verified by running
`nomad node status <node-id>` and verify there are no tasks in the `running`
state. Once that is done the client can be killed, the `data_dir` should be
deleted and then Nomad 0.3.0 can be launched.
[drain-api]: /api/nodes.html#drain-node
[drain-cli]: /docs/commands/node/drain.html
[migrate]: /docs/job-specification/migrate.html