If storage devices or VMs change, but the changes are not synchronized to UltraVR in a timely manner, you need to refresh this changed resource information before executing DR recovery. The resource information can be refreshed in either way: periodical polling using UltraVR or manual refreshing.
Context
- Periodical polling using UltraVR
UltraVR periodically refreshes resource information. Table 1 lists the update periods of various types of resources.
- Manual refreshing
Table 2 describes the changed list of the storage devices, hosts or VMs and the related operation.
- Centralized deployment, refresh the sites where resources are changed.
- Distributed deployment, refresh the sites under UltraVR at both ends.
Table 2 changed list description Network Element
Changed Item
Storage device
initiator, mapping view, file system, logical port, remote replication, consistency group in a remote replication, clone, HyperMetro, HyperVault change. For example, executing adding or deleting operation, the status changed.
VM
- Add or delete the VMs, or move the VMs to the other storage.
- The LUNs used by datastore change.
- The VMs change, for example, add or delete disks on the VMs, the network card change.
NOTE:If the storage devices change, you need to refresh the storage devices.
Procedure
- On the menu bar, select
Resources. - In the navigation tree, select the site where the network elements (storage devices or VMs) reside and click Refresh.
In the upper right corner of the main page, click
, in Background Task, you can view details about the refreshing.