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Automatic merge from submit-queue Azure PD (Managed/Blob) This is exactly the same code as this [PR](https://github.com/kubernetes/kubernetes/pull/41950). It has a clean set of generated items. We created a separate PR to accelerate the accept/merge the PR CC @colemickens CC @brendandburns **What this PR does / why we need it**: 1. Adds K8S support for Azure Managed Disks. 2. Adds support for dedicated blob disks (1:1 to storage account) in addition to shared blob disks (n:1 to storage account). 3. Automatically manages the underlying storage accounts. New storage accounts are created at 50% utilization. Max is 100 disks, 60 disks per storage account. 2. Addresses the current issues with Blob Disks: ..* Significantly faster attach process. Disks are now usually available for pods on nodes under 30 sec if formatted, under a min if not formatted. ..* Adds support to move disks between nodes. ..* Adds consistent attach/detach behavior, checks if the disk is leased/attached on a different node before attempting to attach to target nodes. ..* Fixes a random hang behavior on Azure VMs during mount/format (for both blob + managed disks). ..* Fixes a potential conflict by avoiding the use of disk names for mount paths. The new plugin uses hashed disk uri for mount path. The existing AzureDisk is used as is. Additional "kind" property was added allowing the user to decide if the pd will be shared, dedicated or managed (Azure Managed Disks are used). Due to the change in mounting paths, existing PDs need to be recreated as PV or PVCs on the new plugin. |
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Kubernetes
Kubernetes is an open source system for managing containerized applications across multiple hosts, providing basic mechanisms for deployment, maintenance, and scaling of applications.
Kubernetes builds upon a decade and a half of experience at Google running production workloads at scale using a system called Borg, combined with best-of-breed ideas and practices from the community.
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