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Configuring the Protection Policy for Service Groups

Applies To

Product(s): TGC and VMstore

Product Version(s): All

Bug(s): N/A

Description

This article describes how to set up the protection policy for service groups in Tintri Global Center (TGC).

Policy Management Options:

Policy Description

Accept that policy as the new setting

Any policy changes done on VMstore are always accepted. VM policy set from the VMstore UI will be applied and be retained in TGC instead of the Service Group policy. This VM policy will be treated as a Custom policy.

Override the policy with the TGC setting

For VMs inside the service group, VMstore policy is overwritten by the TGC policy setting.

Flag the VM with a policy error for review

Allows users to take action if there is a discrepancy between TGC and VMstore policy settings.

Tintri Policy Application Model

Protection (snapshot schedules and replication) and QOS are controlled through policy management, and can be applied in bulk to all members of a service group. When a VM is moved between VMstores, its protection policy remains with it.

  • If a VM policy is changed in the VMstore UI instead of TGC, the policy management setting is applied.
    Note: The Accept that policy as the new setting option is enabled by default.

  • If a VMstore already has a snapshot/replication policy set up before adding it to TGC, once the VMstore is added to TGC, TGC automatically uses the VMstore created policy.

 

VM custom policy > Service Group Policy > System (VMstore) default policy

  • If a VM has a custom policy and is not a member of a service group, then the custom policy is applied.
  • If a VM has a custom policy and is a member of a service group, then the custom policy is applied.
  • If a VM is a member of a service group and has no custom policy of its own, then the service group policy is applied.

Note: The system (VMstore) default policy is applied when a VM does not have a custom policy or a service group policy.

How-To

This section contains the following procedures:

  • Setting Up a Protection Policy Using the System Default
  • Creating a TGC Service Group Policy
  • Overriding the Default Policy in TGC

Setting Up a Protection Policy Using the System Default

To have TGC use the system (VMstore) default protection policy, you must set up a snapshot schedule on the VMstores on which the VMs reside.

In TGC perform the following steps:

1. Click Service Groups.

2. Click the service group to which you want to apply policy.

3. Click the three small squares on the top right of the service group list and click Configure Protection.

Alternately, you can click Configure in the blue Protection box.  Configure appears when hovering over this box.

4. Click Use system Default and click Save.

Creating a TGC Service Group Policy

1. Click Service Groups.

2. Click the service group to which you want to apply policy.

3. Click the three small squares on the top right of the service group list and click Configure Protection.

Alternately, you can click Configure in the blue Protection box.  Configure appears when hovering over this box.

4. De-select Use system default.  

5.  In the Configure Protection window, configure the desired protection settings and click Save.

Overriding the Default Policy in TGC

To enable the TGC created policy to override the system (VMstore) default policy in TGC,

Choose Overide the policy with the tGC setting in the Policy management.

See Also

TIntri Support Portal -> Downloads.  Select the product and view the following documents for your version of the product:

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This article needs links to docs in the reference section and naming convention changes.
Posted 12:20, 21 Jul 2017
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Last modified
10:55, 22 Apr 2017

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