Can PVC show used/available size?

[harryge00]

This is a FEATURE REQUEST.

Now persistent volume/persistent volume claims can display capacity. However, I am wondering if PVC can display how much of the capacity is used, and how much is left.

[0xmichalis]

@kubernetes/sig-storage-feature-requests

[jingxu97]

I plan to work on this feature, assign to myself.

[killy001]

does the capacity work well ? when the volume size more than the capacity, there is nothing happened, why?

[jsafrane]

@killy001, PVC.spec.capacity is user's request for storage, "I want 10 GiB volume". PV.spec.capacity is actual size of the PV. PVC can bind to a bigger PV when there is no smaller available PV, so the user can get actually more than he wants.

Similarly, dynamic provisioning works typically in bigger chunks. So if user asks for 0.5GiB in a PVC, he will get 1 GiB PV because that's the smallest one that AWS can provision.

There is nothing wrong about it.

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[jingxu97]

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