Adding, Removing, And Activating And Inactivating Capacity - Dell EMC VxFlex Ready Node User Manual
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Configuring the System using the VxFlex OS GUI
Adding, removing, and activating and inactivating capacity
Adding, removing, activating, and inactivating Protection Domains
Dell EMC VxFlex Ready Node AMS User Guide
198
Extra storage capacity can be added to VxFlex OS by adding SDSs and/or their
storage devices. You can either add them to existing Protection Domains and Storage
Pools, or create new ones.
The Dashboard Capacity tile, some Backend table views (such as Capacity Usage,
Configuration), and Property Sheets help you to better understand the amount of
raw capacity and net free capacity currently available in the system.
About this task
This section describes how to add, remove, activate, and inactivate Protection
Domains. Inactivating a Protection Domain does not remove it from the system, but it
makes all data stored in that Protection Domain inaccessible to the system.
The inactivation feature is a much more effective way to shut down nodes, and is
preferable to shutting them down manually.
When this feature is in effect, the following activities can take place, behind the
scenes:
Determine if there are any current rebuild/rebalance activities taking place. If so,
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the shutdown will be delayed (unless it is forced) until they are finished.
Block future rebuild/rebalance activities.
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Quiesce (temporarily disable) application I/O and disable access to volumes.
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Move the DRL mode of all SDSs to harden, in preparation for restarting the server.
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Reload of all SDSs before re-enabling data access.
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For each of the following procedures, after you click OK, the progress and result of
the operation is displayed at the bottom of the window.
Note:
Protection Domain removal is only possible if the Protection Domain is
empty. If you inactivate a Protection Domain, the data remains on the SDSs, and
therefore, it is preferable to remove a Protection Domain if you no longer need it.
Procedure
1. To add a Protection Domain, perform these steps: In the Backend
view, select the System row.
a. Right-click the row and select Add Protection Domain.
The Add Protection Domain window is displayed.
b. Type a name in the Name box, and click OK.
When the operation is complete, the Protection Domain is active. You can
now add SDSs, Fault Sets, Storage Pools, and Acceleration Pools to the
Protection Domain. Before you add devices, ensure that at least one suitable
Storage Pool is defined in the Protection Domain.
2. To remove Protection Domains, perform these steps:
a. In the Backend
Protection Domains.
b. Verify that you have removed all child nodes from the Protection Domain.
c. Right-click the Protection Domain and select Remove.
Storage view, navigate to, and select one or more
>
Storage
>
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