Upgrading lefthand os on storage systems, Registering advanced features for a storage system, Determining volume and snapshot availability – HP LeftHand P4000 SAN Solutions User Manual
Page 18: Determining volume and snapshot
NOTE:
If you enter 0 for the value when powering off, you cannot cancel the action. Any
value greater than 0 allows you to cancel before the power off actually takes place.
5.
Click Power Off.
Figure 5 Confirming storage system power off
Depending on the configuration of the management group and volumes, your volumes and
snapshots can remain available.
Upgrading LeftHand OS on storage systems
The CMC enables online upgrades for storage systems, including the latest software releases and
patches. See the HP StoreVirtual Storage Upgrade Guide.
Registering advanced features for a storage system
Using the Feature Registration tab, register individual storage systems for advanced features.
For more information about registering advanced features, see
“Registering advanced features”
.
Determining volume and snapshot availability
The Availability tab displays which volumes’ and snapshots’ availability depends on this storage
system staying online. Details include the data protection level and what factors contribute to the
availability status, such as the status of storage systems participating in any replication or a RAID
restripe in progress. Quorum dependency is a critical indicator of volume availability and is reported
here. For more information about quorum and managers, see
“Managers and quorum” (page 119)
18
Working with storage systems