Dell PowerFlex Appliance with PowerFlex 4.x Administration Guide

Set rebuild and rebalance settings

Define rebuild and rebalance settings before and after IC upgrades.

1. On the menu bar, click Block > Protection Domains.
2. In the list of protection domains, select the relevant protection domain check box, and click Modify > Network Throttling.
3. From the Set Network Throttling for PD field, enter the bandwidth for the following settings, or select Unlimited to allow for unlimited throughput for that setting:
   • Rebalance throughput limit per SDS
   • Rebuild throughput limit per SDS
   • vTree migration throughput limit per SDS
   • Overall throughput limit per SDS
4. Click Apply.
5. Verify that the operation has finished successfully, and click Dismiss.
6. Before an IC upgrade, set the following policies:

   Table 1. Policy settings before upgradeSet policies before an upgrade.

   Policy settings	Values
   Rebuild policy	Unlimited
   Rebalance policy	Unlimited
   vTree migration policy	Retain the default value
   Overall throughput limit per SDS	Limit concurrent I/O=10

7. After an IC upgrade, set the following policies:

   Table 2. Policy settings after upgradeSet policies after an upgrade.

   Policy settings	Values
   Rebuild policy	Unlimited
   Rebalance policy	Unlimited
   vTree migration policy	Unlimited
   Overall throughput limit per SDS	Unlimited

8. Click Apply.