- Notes, cautions, and warnings
- Getting started
- New user setup
- Configure and provision a new storage system
- Using the PowerVault Manager interface
- System concepts
- About virtual and linear storage
- About disk groups
- About RAID levels
- About ADAPT
- About SSDs
- About SSD read cache
- About spares
- About pools
- About volumes and volume groups
- About volume cache options
- About thin provisioning
- About automated tiered storage
- About initiators, hosts, and host groups
- About volume mapping
- About operating with a single controller
- About snapshots
- About copying volumes
- About reconstruction
- About quick rebuild
- About performance statistics
- About firmware updates
- About managed logs
- About SupportAssist
- About CloudIQ
- About configuring DNS settings
- About replicating virtual volumes
- About the Full Disk Encryption feature
- About data protection with a single controller
- Working in the Home topic
- Guided setup
- Provisioning disk groups and pools
- Attaching hosts and volumes in the Host Setup wizard
- Overall system status
- Configuring system settings
- Managing scheduled tasks
- Working in the System topic
- Viewing system components
- Systems Settings panel
- Resetting host ports
- Rescanning disk channels
- Clearing disk metadata
- Updating firmware
- Changing FDE settings
- Configuring advanced settings
- Changing disk settings
- Changing system cache settings
- Configuring partner firmware update
- Configuring system utilities
- Using maintenance mode
- Restarting or shutting down controllers
- Working in the Hosts topic
- Working in the Pools topic
- Working in the Volumes topic
- Viewing volumes
- Creating a virtual volume
- Creating a linear volume
- Modifying a volume
- Copying a volume or snapshot
- Abort a volume copy
- Adding volumes to a volume group
- Removing volumes from a volume group
- Renaming a volume group
- Remove volume groups
- Rolling back a virtual volume
- Deleting volumes and snapshots
- Creating snapshots
- Resetting a snapshot
- Creating a replication set from the Volumes topic
- Initiating or scheduling a replication from the Volumes topic
- Manage replication schedules from the Volumes topic
- Working in the Mappings topic
- Working in the Replications topic
- About replicating virtual volumes in the Replications topic
- Replication prerequisites
- Replication process
- Creating a virtual pool for replication
- Setting up snapshot space management in the context of replication
- Replication and empty allocated pages
- Disaster recovery
- Accessing the data while keeping the replication set intact
- Accessing the data from the backup system as if it were the primary system
- Disaster recovery procedures
- Viewing replications
- Querying a peer connection
- Creating a peer connection
- Modifying a peer connection
- Deleting a peer connection
- Creating a replication set from the Replications topic
- Modifying a replication set
- Deleting a replication set
- Initiating or scheduling a replication from the Replications topic
- Stopping a replication
- Suspending a replication
- Resuming a replication
- Manage replication schedules from the Replications topic
- About replicating virtual volumes in the Replications topic
- Working in the Performance topic
- Working in the banner and footer
- Banner and footer overview
- Viewing system information
- Viewing certificate information
- Viewing connection information
- Viewing system date and time information
- Viewing user information
- Viewing health information
- Viewing event information
- Viewing capacity information
- Viewing host information
- Viewing tier information
- Viewing recent system activity
- Other management interfaces
- SNMP reference
- Using FTP and SFTP
- Using SMI-S
- Using SLP
- Administering a log-collection system
- Best practices
- System configuration limits
- Glossary of terms
Dell PowerVault ME4 Series Storage System Administrator’s Guide
Adding virtual disk groups
The system supports a maximum of two pools, one per controller module: A and B. You can add up to 16 virtual disk groups for each virtual pool. If a virtual pool does not exist, the system will automatically add it when creating the disk group. Once a virtual pool and disk group exist, volumes can be added to the pool. Once you add a virtual disk group, you cannot modify it. If your organization's needs change, you can modify your storage amount by adding new virtual disk groups or deleting existing ones.
Depending on the type of disks selected, virtual disk groups belong to one of the following tiers:
- Enterprise SAS disks: Standard tier.
- Midline SAS disks: Archive tier.
- SSDs: Performance tier.
NOTE:All virtual groups in the same tier within a virtual pool should have the same data protection level to provide consistent performance across the tier.
NOTE:If a virtual pool contains a single virtual disk group, and it has been quarantined, you cannot add a new virtual disk group to the pool until you have removed the existing disk group from quarantine.
For information about removing a disk group from quarantine, see the
Dell PowerVault ME4 Series Storage System CLI Guide.
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