Dell PowerFlex Appliance with PowerFlex 3.x Administration Guide

Using PowerFlex GUI presentation server to disable persistent checksum

Use this procedure to disable the persistent checksum using PowerFlex GUI presentation server in the customer cluster.

1. Log in to the PowerFlex GUI presentation server with access to the PowerFlex cluster containing the Storage Pool you want to modify.
2. Expand the Configuration menu in the navigation pane (underneath Dashboard), by left clicking the entry.
3. Select Storage Pools.
4. Select the check box to the left of the Storage Pool you plan to modify.
5. Click More.
6. Select Background Device Scanner.
7. Clear Enable Background Device Scanner.
8. Click Apply.
9. Click Settings.
10. Click General.
11. In the resulting dialog box, leave the box checked for Enable Inflight / Persistent Checksum.
12. Clear the Persistent option.
13. Click Apply.
14. Repeat steps 1 through 13 for all additional Storage Pools to be modified.
    NOTE:The background scanner service will not be reenabled automatically once the persistent checksum is disabled. To reenable, repeat the above steps 1 through 6 to determine that the Enable Background Device Scanner option has not been rechecked, if wanted, recheck and click Apply.