[RA2 Ch04] Restructuring 4.6 Storage Components #1870
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Restored existing content in new format: Fixes #1638 Observation: there are no requirements for ephemeral and persistent storage
CsatariGergely
requested changes
Aug 7, 2020
Co-authored-by: Gergely Csatari <gergely.csatari@nokia.com>
Co-authored-by: Gergely Csatari <gergely.csatari@nokia.com>
pgoyal01
commented
Aug 7, 2020
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@CsatariGergely Thanks -- changes are committed. |
CsatariGergely
approved these changes
Aug 10, 2020
tomkivlin
suggested changes
Aug 10, 2020
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In addition to the suggested changes, can you add a link to the section in chapter02.md that the requirement exists please? e.g. for ra2.stg.004 in the final column provide a link to section 2.3 of chapter02.md where req.inf.stg.01 is listed.
@tomkivlin Thanks. Added. Can't add for others as we are missing a number of storage requirements.
Co-authored-by: Tom Kivlin <52716470+tomkivlin@users.noreply.github.com>
Co-authored-by: Tom Kivlin <52716470+tomkivlin@users.noreply.github.com>
Co-authored-by: Tom Kivlin <52716470+tomkivlin@users.noreply.github.com>
Co-authored-by: Tom Kivlin <52716470+tomkivlin@users.noreply.github.com>
Co-authored-by: Tom Kivlin <52716470+tomkivlin@users.noreply.github.com>
Co-authored-by: Tom Kivlin <52716470+tomkivlin@users.noreply.github.com>
Co-authored-by: Tom Kivlin <52716470+tomkivlin@users.noreply.github.com>
$.6 Storage components, `ra2.stg.004' added link to RA2 2.3 Requirement req.inf.stg.01
Delete content that belongs to RA Chapter 3: - from ra2.stg.001: "Ephemeral storage exists for the life of a container.<br>Kubernetes Volumes attached using a Volume plugin can also be used to deliver Ephemeral Storage (may require additional tasks to ensure deletion of ephemeral storage on the shutting down of a container)" - from from ra2.stg.002: "This additional storage, that is attached to a container using a Kubernetes Volume, does not live and die with the container but instead follows the lifecycle of the Pod that the container is a part of. " - from ra2.stg.005: "The implementation may utilise either an In-tree or Out-of-tree type of Volume plugin.<br>In-tree plugins are built, linked, compiled and shipped with the core Kubernetes binaries and, thus, require the core Kubernetes code to be changed whenever a new backend storage system needs to be supported.<br>Out-of-tree plugins allow new backend storage systems to be supported without any changes to the core Kubernetes code." - from ra2.stg.007: "Storage Classes allow a consumer of the Kubernetes platform to request Persistent Storage using a Persistent Volume Claim and for a Persistent Volume to be dynamically created based on the "class" that has been requested. This avoids having to grant `create`/`update`/`delete` permissions in RBAC to PersistentVolume resources, which are cluster-scoped rather than namespace-scoped (meaning an identity can manage all PVs or none)."
tomkivlin
suggested changes
Aug 10, 2020
tomkivlin
approved these changes
Aug 10, 2020
xmulligan
reviewed
Aug 11, 2020
xmulligan
approved these changes
Aug 20, 2020
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Restored existing content in new format: Fixes #1638
Observation: there are no requirements for ephemeral and persistent storage