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update zh-translation: docs/concepts/storage/volume-snapshot-classes.md (#18528)

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helight
2020-01-09 21:49:45 +08:00
committed by Kubernetes Prow Robot
parent 6161de9914
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@@ -11,7 +11,6 @@ This document describes the concept of `VolumeSnapshotClass` in Kubernetes. Fami
with [volume snapshots](/docs/concepts/storage/volume-snapshots/) and
[storage classes](/docs/concepts/storage/storage-classes) is suggested.
-->
本文档描述了 Kubernetes 中 `VolumeSnapshotClass` 的概念。 建议熟悉[卷快照（Volume Snapshots）](/docs/concepts/storage/volume-snapshots/)和[存储类（Storage Class）](/docs/concepts/storage/storage-classes)。
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@@ -26,15 +25,14 @@ Just like `StorageClass` provides a way for administrators to describe the "clas
of storage they offer when provisioning a volume, `VolumeSnapshotClass` provides a
way to describe the "classes" of storage when provisioning a volume snapshot.
-->
## 介绍
## 介绍 {#introduction}
就像 `StorageClass` 为管理员提供了一种在配置卷时描述存储“类”的方法，`VolumeSnapshotClass` 提供了一种在配置卷快照时描述存储“类”的方法。
<!--
## The VolumeSnapshotClass Resource
Each `VolumeSnapshotClass` contains the fields `snapshotter` and `parameters`,
Each `VolumeSnapshotClass` contains the fields `driver`, `deletionPolicy`, and `parameters`,
which are used when a `VolumeSnapshot` belonging to the class needs to be
dynamically provisioned.
@@ -46,47 +44,57 @@ be updated once they are created.
Administrators can specify a default `VolumeSnapshotClass` just for VolumeSnapshots
that don't request any particular class to bind to.
-->
## VolumeSnapshotClass 资源
每个 `VolumeSnapshotClass` 都包含 `snapshotter` 和 `parameters` 字段，当需要动态配置属于该类的 `VolumeSnapshot` 时使用。
每个 `VolumeSnapshotClass` 都包含 `driver` 、`deletionPolicy` 和 `parameters` 字段，当需要动态配置属于该类的 `VolumeSnapshot` 时使用。
`VolumeSnapshotClass` 对象的名称很重要，是用户可以请求特定类的方式。
管理员在首次创建 `VolumeSnapshotClass` 对象时设置类的名称和其他参数，对象一旦创建就无法更新。
管理员可以为不请求任何特定类绑定的 VolumeSnapshots 指定默认的 `VolumeSnapshotClass`。
```yaml
apiVersion: snapshot.storage.k8s.io/v1alpha1
apiVersion: snapshot.storage.k8s.io/v1beta1
kind: VolumeSnapshotClass
metadata:
name: csi-hostpath-snapclass
snapshotter: csi-hostpath
driver: hostpath.csi.k8s.io
deletionPolicy: Delete
parameters:
```
<!--
### Snapshotter
### Driver
Volume snapshot classes have a snapshotter that determines what CSI volume plugin is
Volume snapshot classes have a driver that determines what CSI volume plugin is
used for provisioning VolumeSnapshots. This field must be specified.
-->
### 驱动程序（#driver）
### 快照生成器（Snapshotter）
卷快照类有一个驱动程序，用于确定配置 VolumeSnapshot 的 CSI 卷插件。 必须指定此字段。
卷快照类具有一个快照生成器，用于确定配置 VolumeSnapshot 的 CSI 卷插件。 必须指定此字段。
<!--
### DeletionPolicy
Volume snapshot classes have a deletionPolicy. It enables you to configure what happens to a `VolumeSnapshotContent` when the `VolumeSnapshot` object it is bound to is to be deleted. The deletionPolicy of a volume snapshot can either be `Retain` or `Delete`. This field must be specified.
If the deletionPolicy is `Delete`, then the underlying storage snapshot will be deleted along with the `VolumeSnapshotContent` object. If the deletionPolicy is `Retain`, then both the underlying snapshot and `VolumeSnapshotContent` remain.
-->
### 删除策略 {#deletion-policy}
卷快照类具有 `deletionPolicy` 属性。用户可以配置当所绑定的 `VolumeSnapshot` 对象将被删除时，如何处理 `VolumeSnapshotContent` 对象。卷快照的这个策略可以是 `Retain` 或者 `Delete`。这个策略字段必须指定。
如果删除策略是 `Delete`，那么底层的存储快照会和 `VolumeSnapshotContent` 对象一起删除。如果删除策略是 `Retain`，那么底层快照和 `VolumeSnapshotContent` 对象都会被保留。
<!--
## Parameters
Volume snapshot classes have parameters that describe volume snapshots belonging to
the volume snapshot class. Different parameters may be accepted depending on the
`snapshotter`.
`driver`.
-->
## 参数 {#parameters}
## 参数
卷快照类具有描述属于卷快照类的卷快照参数。 可根据 `snapshotter` 接受不同的参数。
卷快照类具有描述属于该卷快照类的卷快照的参数。 可根据 `driver` 接受不同的参数。
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