- About This Guide
- Notes, cautions, and warnings
- Unisphere Overview
- Getting Started
- Storage Center Overview
- Storage Center Hardware Components
- How Storage Virtualization Works
- User Interface for Storage Center Management
- Storage Center Deployment
- Initialize a Storage Center
- Unisphere Discovery Utility
- Storage Center Administration
- Adding and Organizing Storage Centers
- Managing Volumes
- Attributes That Determine Volume Behavior
- Creating Volumes
- Modifying Volumes
- Rename a Volume
- Move a Volume to a Different Volume Folder
- Move Multiple Volumes to a Different Volume Folder
- Expand a Volume
- Enable or Disable Read/Write Caching for a Volume
- Assign Snapshot Profiles to a Volume
- Assign Snapshot Profiles to Multiple Volumes
- Assign a Different Storage Profile to a Volume
- Assign a Different Storage Profile to Multiple Volumes
- Force Writes to the Lowest Storage Tier for a Volume
- Configure a Space Consumption Limit for a Volume
- Configure an OpenVMS Unique Disk ID for a Volume
- Configure Related View Volume Maximums for a Volume
- Copying Volumes
- Creating and Managing Volume Folders
- Creating and Managing Volume Snapshots
- Mapping Volumes to Servers
- Map a Volume to a Server
- Map Multiple Volumes to a Server
- Unmap a Volume from a Server
- Promote a Volume Mapping from a Server to a Server Cluster
- Demote a Mapping from a Server Cluster to an Individual Server
- Deploy a Bootable Volume Image to a New Server
- Change the LUN Used by a Volume/Server Mapping
- Limit the Number of Paths That Can Be Used for a Volume/Server Mapping
- Change a Volume/Server Mapping to Read-Only
- Deleting Volumes and Volume Folders
- Migrating Volumes
- Reset a Controller to Factory Default
- Run the Space Reclamation Wizard
- Managing Virtual Volumes With Unisphere Central
- Managing Storage Containers
- Managing Data Reduction
- Managing Snapshot Profiles
- Managing Storage Profiles
- Managing QoS Profiles
- Importing Volumes from an External Storage Array
- Storage Center Server Administration
- Managing Servers on a Storage Center
- Creating Servers
- Modifying Servers
- Rename a Server
- Move a Server to a Different Server Folder
- Change the Operating System of a Server
- Apply One or More Snapshot Profiles to a Server
- Add a Server to a Server Cluster
- Remove a Server from a Server Cluster
- Convert a Physical Server to a Virtual Server
- Convert a Virtual Server to a Physical Server
- Add One or More HBAs to a Server
- Remove One or More HBAs from a Server
- Mapping Volumes to Servers
- Creating and Managing Server Folders
- Deleting Servers and Server Folders
- Managing Registered Servers
- Server Types That Can Be Centrally Managed
- Storage Manager Server Agent for Windows Servers
- Registering Servers with Unisphere Central
- Organizing and Removing Registered Servers
- Updating Server Information
- Managing Server Data Collection and Reporting Settings
- Creating Server Volumes and Datastores
- Assigning/Creating Virtual Servers on Storage Centers
- Manually Mapping a Windows Server to a Storage Center Server
- Managing Servers on a Storage Center
- Storage Center Maintenance
- Managing Storage Center Settings
- Viewing and Modifying Storage Center Information
- Configuring Storage Center User Preferences
- Set the Default Size for New Volumes
- Set the Default Base Volume Name for New Volumes
- Set Default Cache Settings for New Volumes
- Set Default Data Reduction Settings for New Volumes
- Set the Default Snapshot Options for New Volumes
- Allow or Disallow Advanced Volume Mapping Settings
- Set the Default Operating System for New Servers
- Set the Default Storage Profile for New Volumes
- Set the Default Storage Type for New Volumes
- Set Default Volume QoS Profile
- Allow QoS Profile Selection
- Configuring Storage Center Data Settings
- Set Up Automated Reports for an Individual Storage Center
- Set the Date and Time for a Storage Center
- Configure Storage Center SMTP Server Settings
- Configure SNMP Settings for a Storage Center
- Configuring Filters to Restrict Administrative Access
- Configuring Storage Center Secure Console Settings
- Configuring a Storage Center to Inherit Settings
- Managing Storage Center Users and Groups
- User Privilege Levels
- User Groups
- User Account Management and Authentication
- Managing Local Storage Center Users
- Create a Local Storage Center User
- Configure the Default User Preferences for New Storage Center Users
- Increase the Privilege Level for a Local Storage Center User
- Change the Session Timeout for a Local Storage Center User
- Change the Preferred Language for a Storage Center User
- Enable or Disable Access for a Local Storage Center User
- Modify Local Group Membership for a Local Storage Center User
- Configure Preferences for a Local Storage Center User
- Modify Descriptive Information About a Local Storage Center User
- Change the Password for a Local Storage Center User
- Delete a Local Storage Center User
- Restore a Deleted Local Storage Center User
- Managing Local Storage Center User Groups
- Managing Local Storage Center User Password Requirements
- Enabling Directory Services Authentication
- Managing Directory Service Users
- Grant Access to a Directory User
- Increase the Privilege Level for a Directory Service User
- Change the Session Timeout for a Directory Service User
- Enable or Disable Access for a Directory Service User
- Modify Local Group Membership for a Directory Service User
- Configure Preferences for a Directory Service User
- Modify Descriptive Information About a Directory Service User
- Delete a Directory Service User
- Restore a Deleted Directory Service User
- Managing Directory User Groups
- Managing Front-End I/O Ports
- Managing Back-End I/O Port Hardware
- Grouping Fibre Channel I/O Ports Using Fault Domains
- Grouping iSCSI I/O Ports Using Fault Domains
- iSCSI VLAN Tagging Support
- Creating iSCSI Fault Domains
- Modifying iSCSI Fault Domains
- Rename an iSCSI Fault Domain
- Modify iSCSI Fault Domain Control Port Network Settings
- Add a VLAN ID to a Physical iSCSI Fault Domain
- Modify the MTU for an iSCSI Fault Domain
- Modify the TCP Port for an iSCSI Fault Domain
- Modify the iSCSI Window Size for an iSCSI Fault Domain
- Modify Digest Settings for an iSCSI Fault Domain
- Modify Timeout Settings for an iSCSI Fault Domain
- Add Ports to an iSCSI Fault Domain
- Test Network Connectivity for an iSCSI Port in a Fault Domain
- Remove Ports from an iSCSI Fault Domain
- Delete an iSCSI Fault Domain
- Configuring NAT Port Forwarding for iSCSI Fault Domains
- Configuring CHAP for iSCSI Fault Domains
- Grouping SAS I/O Ports Using Fault Domains
- Managing Disks and Disk Folders
- Managing Secure Data
- Managing Data Redundancy
- Managing Disk Enclosures
- Add an Enclosure
- Remove an Enclosure
- Replace an Enclosure
- Rename a Disk Enclosure
- Set an Asset Tag for a Disk Enclosure
- Delete an Enclosure
- Mute an Enclosure Alarm
- Unmute an Enclosure Alarm
- Clear the Swap Status for an Enclosure Cooling Fan
- Clear the Swap Status for an Enclosure I/O Module
- Clear the Swap Status for an Enclosure Power Supply
- Replace a Failed Power Supply
- Clear the Under Voltage Status for a Power Supply
- Clear the Swap Status for a Temperature Sensor
- Clear the Minimum and Maximum Recorded Values for Temperature Sensor
- Replace a Failed Cooling Fan Sensor
- Enable or Disable the Disk Indicator Light
- Clear the Swap Status for a Disk
- Managing Storage Center Controllers
- Updating Storage Center
- Shutting Down and Restarting a Storage Center
- Managing Field Replaceable Units (FRU)
- Managing Storage Center Settings
- Remote Storage Centers and Replication Bandwidth Controls
- Storage Center Replications and Live Volumes
- Storage Center Replications
- Storage Center Live Volumes
- Live Volume Requirements
- Live Volume Types
- Live Volume Roles
- Automatic Failover for Live Volumes
- Managed Replications for Live Volumes
- Creating Live Volumes
- Modifying Live Volumes
- Swap the Primary Storage Center for a Live Volume
- Cancel the Storage Center Role Swap
- Change the Transfer Type for a Live Volume
- Change the Synchronization Mode for a Synchronous Live Volume
- Add a Managed Replication to a Live Volume
- Include Active Snapshot Data
- Enable or Disable Deduplication for a Live Volume
- Change the Bandwidth Control for a Live Volume
- Configure a Live Volume to Write Data to the Lowest Tier at the Destination
- Allow Replicate Storage to Lowest Tier Selection
- Allow a Live Volume to Automatically Swap Roles
- Revert a Live Volume to a Replication
- Pause a Live Volume
- Resume a Paused Live Volume
- Set Threshold Alert Definitions for a Live Volume
- Delete a Live Volume
- Manually Bring Primary Live Volume Online
- Force Delete a Live Volume
- Modifying Live Volumes with Automatic Failover
- Live Volume ALUA
- Monitoring Live Volumes
- Storage Center DR Preparation and Activation
- How Disaster Recovery Works
- Disaster Recovery Administration Options
- Preparing for Disaster Recovery
- Activating Disaster Recovery
- Restarting Failed Replications
- Restoring Replications and Live Volumes
- Deleting a Restore Point
- Viewing Storage Center Information
- Storage Center Monitoring
- Alerts
- Data Collector Alerts
- Logs
- Thresholds
- I/O Charts
- View Performance Data for a System
- View Performance Data for Volumes
- View Performance Data for Servers
- View Performance Information for Ports
- View Performance Information for Disks
- View Performance Information for Controllers
- View Performance Information for Storage Profiles
- View Performance Information for QoS Profiles
- Export I/O Usage Data
- Most Active Reports
- Storage Center Reports
- Data Collector Management
- Access the Data Collector View
- Configuring Data Collector Settings
- Configuring General Settings
- Restart the Data Collector
- Enable the Chargeback Feature
- Change Storage Center Timeout Settings
- Set the Maximum Memory for a Data Collector on a Windows Server
- Set the Maximum Memory for a Data Collector on a Virtual Appliance
- Select a Network Adapter
- Configure a Custom SSL Certificate
- Configure a Login Banner Message
- Configure Data Collector Ports
- Change Data Collector Data Source
- Change the Database Connection
- Configuring Environment Settings
- Configuring Monitoring Settings
- Configuring Virtual Appliance Settings
- Configuring General Settings
- Managing Available Storage Centers
- Managing Available PS Series Groups
- Managing Available FluidFS Clusters
- Managing the Storage Manager Virtual Appliance
- Migrate a Microsoft SQL Server Database
- Uninstalling the Data Collector
- Data Collector User Management
- Unisphere Central User Privileges
- Authenticating Users with an External Directory Service
- Managing Local Users Through the Data Collector
- Create a User
- Configure or Modify the Email Address of a User
- Change the Privileges Assigned to a User
- Change the Preferred Language for a Unisphere Central User
- Force the User to Change the Password
- Change the Password for a User
- Set Storage Center Mappings for a Reporter User
- Delete a User
- Delete a Storage Center Mapping for a User
- Unlock a Local User Account
- Managing Local User Password Requirements
- Managing User Settings with Unisphere
- SupportAssist Management
Unisphere and Unisphere Central 2020 R1 Administrator's Guide
Rebalance RAID
Rebalancing RAID redistributes data over the disks according to the Storage Type. Rebalance the RAID after releasing a disk from a disk folder, when a disk fails, or after adding a disk.
Steps
- If you are connected to a Data Collector, select a Storage Center from the drop-down list in the left navigation pane of Unisphere Central.
- From the
STORAGE menu, click
Disks.
The Disks view is displayed. - Click Rebalance RAID.The RAID Rebalance dialog box opens. If a RAID rebalance is needed, the dialog box shows RAID rebalance options.
- Select Perform RAID Rebalance immediately.
- Click OK.
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