Add blog for PersistentVolume last phase transition time #41981

RomanBednar · 2023-07-11T13:13:37Z

netlify · 2023-07-11T13:28:18Z

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RomanBednar · 2023-08-01T14:36:30Z

@jsafrane does this look good you you from technical side?

jsafrane · 2023-08-01T15:21:59Z

content/en/blog/_posts/2023-08-15-pv-last-phase-transtition-time.md

+1. Implement Retention Policies
+
+   With the LastPhaseTransitionTime, administrators can now track when a PV was last used or transitioned to the "Released" phase.
+   This information can be crucial for implementing retention policies to clean up resources that have been in the "Released" phase for a specific duration.


Show how crucial it is. "For example, it's trivial to write a script or a policy that deletes all PVs that are in Released phase for 1 week".

Example added.

jsafrane · 2023-08-01T15:26:18Z

content/en/blog/_posts/2023-08-15-pv-last-phase-transtition-time.md

+
+3. Produce Alerts and Metrics
+
+   The LastPhaseTransitionTime can be utilized to produce alerts and metrics.


If we need such metrics, we need code in KCM / PV controller that would emit them. I'm not sure it's a goal of this feature.

True, it's not at this point - removing.

content/en/blog/_posts/2023-08-15-pv-last-phase-transtition-time.md

jsafrane · 2023-08-07T15:47:03Z

lgtm from the sig-storage POV.

xing-yang · 2023-08-08T14:38:02Z

/lgtm

sftim

/hold

Release comms would need to assign a publication date for this. OK to unhold once that's happened and the article is updated accordingly.

sftim

Some feedback on the writing

content/en/blog/_posts/2023-08-15-pv-last-phase-transtition-time.md

sftim · 2023-08-15T09:55:47Z

See #41981 (review)

We'll need release comms to assign a date; I'll nudge that team.

bradmccoydev · 2023-08-20T22:55:21Z

Can we please put Aug 23 publication date?

sftim · 2023-08-24T15:21:37Z

@bradmccoydev do you still want to include this article? We'd need a new date, maybe next week.

RomanBednar · 2023-09-19T08:03:26Z

@bradmccoydev @sftim Any updates on this one?

sftim · 2023-09-19T08:18:56Z

We missed this as part of the post-release comms for v1.28

@RomanBednar would you like to write about the feature separately from post-release comms? That's what SIG Node did for https://kubernetes.io/blog/2023/09/13/userns-alpha/

RomanBednar · 2023-09-19T09:27:21Z

@sftim Sure, does it mean just removing Kubernetes v1.28 from the heading (and slug), updating date and leaving the rest as it is?

sftim · 2023-09-24T21:36:13Z

@sftim Sure, does it mean just removing Kubernetes v1.28 from the heading (and slug), updating date and leaving the rest as it is?

I'm afraid you'll also need to make some further (small) edits to make the article work right as a standalone piece. If you're not sure what to do, please make a start and a reviewer can provide feedback.

RomanBednar · 2023-09-26T11:12:32Z

I'm afraid you'll also need to make some further (small) edits to make the article work right as a standalone piece. If you're not sure what to do, please make a start and a reviewer can provide feedback.

Looking at the SIG node article you linked above as an example it looks pretty similar, I'm not sure what further changes might be needed (apart from header change which I posted now).

@xing-yang or @jsafrane Can you please take a look again?

xing-yang · 2023-09-26T14:49:45Z

content/en/blog/_posts/2023-08-15-pv-last-phase-transtition-time.md

+---
+layout: blog
+title: "Persistent Volume Last Phase Transition Time"
+date: 2023-09-20


We need a new publication date?

Please pick a late-October weekday.

New date is set, is Oct 23 ok?

Sounds good, thanks.

xing-yang · 2023-09-26T14:50:35Z

content/en/blog/_posts/2023-08-15-pv-last-phase-transtition-time.md

+
+**Author:** Roman Bednář (Red Hat)
+
+In Kubernetes v1.28, we have introduced a new alpha feature that aims to improve PersistentVolume (PV)


In Kubernetes v1.28 -> In the recent Kubernetes v1.28 release

xing-yang · 2023-09-26T14:53:50Z

content/en/blog/_posts/2023-08-15-pv-last-phase-transtition-time.md

+
+## How to use it
+
+The `lastPhaseTransitionTime` field is alpha for Kubernetes v1.28, so it requires


The lastPhaseTransitionTime field is alpha starting from Kubernetes v1.28, ...

Changed, thank you for the review and suggestions.

xing-yang · 2023-10-02T12:43:17Z

/lgtm

sftim

Hi. I've suggested some tweaks to make.

/lgtm cancel
/hold cancel

content/en/blog/_posts/2023-08-15-pv-last-phase-transtition-time.md

sftim · 2023-10-05T22:10:36Z

content/en/blog/_posts/2023-08-15-pv-last-phase-transtition-time.md

+---
+layout: blog
+title: "Persistent Volume Last Phase Transition Time"
+date: 2023-09-20


Sounds good, thanks.

content/en/blog/_posts/2023-08-15-pv-last-phase-transtition-time.md

tengqm · 2023-10-10T07:02:18Z

Feedbacks addressed, publish date confirmed.
/lgtm
/approve

k8s-ci-robot · 2023-10-10T07:02:26Z

LGTM label has been added.

Git tree hash: 499dbe5416b3c4c4d0eb5cca19e53e823c0d09f1

k8s-ci-robot · 2023-10-10T07:02:38Z

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Add blog for PersistentVolume last phase transition time

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Add blog for PersistentVolume last phase transition time #41981

Add blog for PersistentVolume last phase transition time #41981

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		3. Produce Alerts and Metrics

		The LastPhaseTransitionTime can be utilized to produce alerts and metrics.


		Author: Roman Bednář (Red Hat)

		In Kubernetes v1.28, we have introduced a new alpha feature that aims to improve PersistentVolume (PV)


		## How to use it

		The `lastPhaseTransitionTime` field is alpha for Kubernetes v1.28, so it requires

Add blog for PersistentVolume last phase transition time #41981

Add blog for PersistentVolume last phase transition time #41981

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