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47 lines
1.9 KiB
Plaintext
47 lines
1.9 KiB
Plaintext
// Module included in the following assemblies:
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//
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// * migration/migrating_3_4/migrating-application-workloads-3-4.adoc
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// * migration/migrating_4_1_4/migrating-application-workloads-4-1-4.adoc
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// * migration/migrating_4_2_4/migrating-application-workloads-4-2-4.adoc
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[id='migration-prerequisites_{context}']
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= Migration prerequisites
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ifdef::migrating-3-4[]
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* You must have `podman` installed.
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* The source cluster must be {product-title} 3.7, 3.9, 3.10, or 3.11.
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endif::[]
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* You must upgrade the source cluster to the latest z-stream release.
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* You must have `cluster-admin` privileges on all clusters.
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* The source and target clusters must have unrestricted network access to the replication repository.
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* The cluster on which the Migration controller is installed must have unrestricted access to the other clusters.
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* If your application uses images from the `openshift` namespace, the required versions of the images must be present on the target cluster.
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+
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If the required images are not present, you must update the `imagestreamtags` references to use an available version that is compatible with your application. If the `imagestreamtags` cannot be updated, you can manually upload equivalent images to the application namespaces and update the applications to reference them.
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The following `imagestreamtags` have been _removed_ from {product-title} _4.2_:
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* `dotnet:1.0`, `dotnet:1.1`, `dotnet:2.0`
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* `dotnet-runtime:2.0`
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* `mariadb:10.1`
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* `mongodb:2.4`, `mongodb:2.6`
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* `mysql:5.5`, `mysql:5.6`
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* `nginx:1.8`
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* `nodejs:0.10`, `nodejs:4`, `nodejs:6`
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* `perl:5.16`, `perl:5.20`
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* `php:5.5`, `php:5.6`
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* `postgresql:9.2`, `postgresql:9.4`, `postgresql:9.5`
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* `python:3.3`, `python:3.4`
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* `ruby:2.0`, `ruby:2.2`
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ifeval::["{product-version}" == "4.4"]
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The following `imagestreamtags` have been _removed_ from {product-title} _4.4_:
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* `dotnet: 2.2`
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* `dotnet-runtime: 2.2`
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* `nginx: 1.12`
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* `nodejs: 8, 8-RHOAR, 10-SCL`
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* `perl:5.24`
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* `php: 7.0, 7.1`
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* `redis: 3.2`
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endif::[]
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