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19 lines
1.4 KiB
XML
19 lines
1.4 KiB
XML
<?xml version='1.0' encoding='utf-8' ?>
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<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" "file:///C:/Program%20Files%20(x86)/Publican/DocBook_DTD/docbookx.dtd" [
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<!ENTITY % BOOK_ENTITIES SYSTEM "cloudstack.ent">
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%BOOK_ENTITIES;
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]>
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<section id="automatic-snapshot-creation-retention">
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<title>Automatic Snapshot Creation and Retention</title>
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<para>(Supported for the following hypervisors: <emphasis role="bold">XenServer</emphasis>,
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<emphasis role="bold">VMware vSphere</emphasis>, and <emphasis role="bold"
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>KVM</emphasis>)</para>
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<para>Users can set up a recurring snapshot policy to automatically create multiple snapshots of a disk at regular intervals. Snapshots can be created on an hourly, daily, weekly, or monthly interval. One snapshot policy can be set up per disk volume. For example, a user can set up a daily snapshot at 02:30.</para>
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<para>With each snapshot schedule, users can also specify the number of scheduled snapshots to be
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retained. Older snapshots that exceed the retention limit are automatically deleted. This
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user-defined limit must be equal to or lower than the global limit set by the CloudPlatform
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administrator. See <xref linkend="globally-configured-limits"/>. The limit applies only to
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those snapshots that are taken as part of an automatic recurring snapshot policy. Additional
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manual snapshots can be created and retained.</para>
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</section>
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