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Enabling hardware snapshots

The Storage Systems Integration (SSI) component of the EXTENDED BUFFER MANAGER (XBM) product, when used with supported BMC high-performance utilities, provides snapshot functionality by leveraging the power of intelligent storage devices.

When the SSI component starts, it determines the status of the supported storage devices that are available. This device discovery process determines the hardware snapshot capability of each device. For each device, the SSI component determines whether to allow volume-level or data-set-level snapshots (or both). For a complete description of the SSI component, see How-the-SSI-component-works.

Although SSI-assisted, or hardware, snapshots require no software cache to provide a preimage for snapshot utilities, BMC recommends that you configure XBM to enable software snapshots, with requisite software cache, as a backup. Doing so allows XBM to fall back to a software snapshot if the hardware snapshot cannot be performed.

This section describes how to enable hardware snapshots:

 

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