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Version(s):
4.18

Issue:
https://issues.redhat.com/browse/OSDOCS-12856

Link to docs preview:

QE review:

  • QE has approved this change.

@bscott-rh bscott-rh added this to the Planned for 4.18 GA milestone Jan 27, 2025
@openshift-ci openshift-ci bot added the size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. label Jan 27, 2025
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bscott-rh commented Jan 27, 2025

@jianli-wei Hi Jianli, PTAL at this RN for GCP C4/C4A machines. TY
I also included the C3 machine since it seems like the same warnings apply to this machine series. is this OK?

@bscott-rh bscott-rh changed the title OSDOCS-12856-RN adding RN for C4/C4A GCP machines OSDOCS-12856-RN adding RN for C3 and C4/C4A GCP machines Jan 27, 2025
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🤖 Mon Jan 27 20:53:43 - Prow CI generated the docs preview:

https://87667--ocpdocs-pr.netlify.app/openshift-enterprise/latest/release_notes/ocp-4-18-release-notes.html

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openshift-ci bot commented Jan 27, 2025

@bscott-rh: all tests passed!

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[id="ocp-4-18-installation-and-update-gcp-c4_{context}"]
==== Installing a cluster on {gcp-short} using the C3 and C4/C4A machine series

With this release, you can deploy a cluster on {gcp-short} using the C3, C4 and C4A machine series for compute or control plane machines. The supported disk type of these machines is `hyperdisk-balanced`. If you use an instance type that requires Hyperdisk storage, all of the nodes in your cluster must support Hyperdisk storage, and you must change the default storage class to use Hyperdisk storage. For more information about configuring machine types, see xref:../installing/installing_gcp/installation-config-parameters-gcp.adoc#installation-configuration-parameters-gcp[Installation configuration parameters for GCP].

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The supported disk type of C4 and C4A machine series is hyperdisk-balanced, but C3 machine series does support disk types pd-balanced and pd-ssd, along with hyperdisk-balanced (see Google doc).

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FYI from the above Google doc:
C3 bare metal instances support only Hyperdisk storage. You can't use Local SSD disks with bare metal instances.

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brendan-daly-red-hat commented Feb 7, 2025

This PR is superseded by #88059.

@openshift-merge-robot openshift-merge-robot added the needs-rebase Indicates a PR cannot be merged because it has merge conflicts with HEAD. label Feb 7, 2025
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PR needs rebase.

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As Ben is on paternity leave, I created a new PR to apply the review comments: #88141.

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