• SANtricity 11.5 docs
  • Main interface
    • Interface overview
      • Concepts
        • Home page
        • What’s new in SANtricity System Manager
    • Setup wizard
      • Concepts
        • Setup wizard overview
        • Setup wizard terminology
      • FAQs
        • What if I don’t see all of my hardware components?
        • What if I don’t see all of my hosts?
        • How do I know which host operating system type is correct?
        • How does identifying applications help me manage my storage array?
        • What is a workload?
        • How do I configure SNMP or syslog alerts?
        • How do I configure the delivery method for AutoSupport?
        • What type of data is collected through the AutoSupport feature?
        • How do I know if I should accept the recommended pool configuration?
        • System Manager has not detected any hosts. What do I do?
        • What is a hot spare drive?
        • What is a volume group?
        • What are the differences between pools and volume groups?
    • Storage array administration
      • Concepts
        • Storage array overview
        • Administrator password protection
        • Problem notification
        • Critical events
        • Operations in progress
      • How tos
        • Set default units for capacity values
        • Set default time frame for performance graphs
        • Recover from problems using Recovery Guru
        • View and act on operations in progress
      • FAQs
        • Where can I find more information about display preferences?
        • What are the supported browsers?
        • What are the keyboard shortcuts?
  • Storage
    • Pools and volume groups
      • Concepts
        • How pools and volume groups work
        • Capacity terminology
        • How reserved capacity works
        • How SSD Cache works
        • SSD Cache restrictions
        • Decide whether to use a pool or a volume group
        • Functional comparison of pools and volume groups
        • Automatic versus manual pool creation
      • How tos
        • Create pools and volume groups
          • Create pool automatically
          • Create pool manually
          • Create volume group
          • Create SSD Cache
          • Add capacity to a pool or volume group
        • Manage pools, volume groups, and SSD Cache
          • Change configuration settings for a pool
          • Change SSD Cache settings
          • Change RAID level for a volume group
          • View SSD Cache statistics
          • Check volume redundancy
          • Delete pool or volume group
          • Consolidate free capacity for a volume group
          • Export/Import volume groups
        • Manage drives
          • Turn on locator lights in a pool, volume group, or SSD Cache
          • Remove capacity from a pool or SSD Cache
          • Enable security for a pool or volume group
          • Assign hot spares
          • Replace drive logically
        • Manage reserved capacity
          • Increase reserved capacity
          • Decrease reserved capacity
          • Change the reserved capacity settings for a snapshot group
          • Change the reserved capacity settings for a snapshot volume
          • Change the reserved capacity settings for a consistency group member volume
          • Change the reserved capacity settings for a mirrored pair volume
          • Cancel pending snapshot image
          • Delete snapshot group
      • FAQs
        • What is a hot spare drive?
        • What is a volume group?
        • What is a pool?
        • What is reserved capacity?
        • What is FDE/FIPS security?
        • What is redundancy check?
        • What are the differences between pools and volume groups?
        • Why would I want to manually configure a pool?
        • Why are capacity alerts important?
        • Why can’t I increase my preservation capacity?
        • Is there a limit on the number of drives I can remove from a pool?
        • What media types are supported for a drive?
        • Why are some drives not showing up?
        • What is shelf loss protection and drawer loss protection?
        • How do I maintain shelf/drawer loss protection?
        • What RAID level is best for my application?
        • What is Data Assurance?
        • What is secure-capable (Drive Security)?
        • What do I need to know about increasing reserved capacity?
        • Why can’t I choose another amount to decrease by?
        • Why would I change this percentage?
        • Why do I need reserved capacity for each member volume?
        • Why do I see more than one reserved capacity candidate?
        • How do I view and interpret all SSD Cache statistics?
    • Volumes
      • Concepts
        • Volumes in the storage array
        • Volume terminology
        • Workflow for creating volumes
        • Data integrity and data security for volumes
        • SSD Cache and volumes
        • Application-specific workloads
        • Actions you can perform on volumes
        • Capacity for volumes
        • Thin volume monitoring
        • Comparison between thick volumes and thin volumes
        • Copy Volume function
        • Types of Copy Volume operations
      • How tos
        • Create storage
          • Create workloads
          • Create volumes
        • Manage volumes
          • Increase capacity of a volume
          • Change settings for a volume
          • Initialize volumes
          • Redistribute volumes
          • Change controller ownership of a volume
          • Change cache settings for a volume
          • Change media scan settings for a volume
          • Delete volume
        • Manage applications and workloads
          • Add to workload
          • Change workload settings
        • Work with copy services
          • Copy volume
          • Take action on a Copy Volume operation
          • Create asynchronous mirrored volume
          • Create synchronous mirrored volume
          • Create snapshot image
          • Schedule snapshot images
        • Change allocated capacity limit for a thin volume
      • FAQs
        • What is a volume?
        • Why am I seeing a capacity over-allocation error when I have enough free capacity in a volume group to create volumes?
        • How does my selected workload impact volume creation?
        • Why aren’t these volumes associated with a workload?
        • Why can’t I delete the selected workload?
        • How do application-specific workloads help me manage my storage array?
        • How does providing this information help create storage?
        • What do I need to do to recognize the expanded capacity?
        • Why don’t I see all my pools and/or volume groups?
        • What is segment size?
        • What is preferred controller ownership?
        • What is Automatic Load Balancing?
    • Hosts
      • Concepts
        • Host terminology
        • Workflow for host creation and volume assignment
        • Automatic versus manual host creation
        • How volumes are assigned to hosts and host clusters
        • Access volumes
        • Maximum number of LUNs
      • How tos
        • Configure host access
          • Create host automatically
          • Create host manually
          • Create host cluster
          • Assign volumes
        • Manage hosts and host clusters
          • Change the settings for a host
          • Change the settings for a host cluster
          • Unassign volumes
          • Change host port identifiers for a host
          • Delete host or host cluster
      • FAQs
        • What are hosts and host clusters?
        • Why would I need to create a host cluster?
        • How do I know which host operating system type is correct?
        • What are HBAs and adapter ports?
        • How do I match the host ports to a host?
        • How do I create CHAP secrets?
        • What is the default cluster?
    • Performance
      • Concepts
        • Performance overview
        • Performance terminology
      • How tos
        • View graphical performance data
        • View and save tabular performance data
        • Interpret performance data
      • FAQs
        • How do performance statistics for individual volumes relate to the total?
        • Why does data display as zero in the graphs and table?
        • What does the Latency graph show?
        • What does the IOPS graph show?
        • What does the MiB/s graph show?
        • What does the CPU graph show?
        • What does the Headroom graph show?
    • Snapshots
      • Concepts
        • Overview of snapshot storage
        • Requirements and guidelines for snapshots
        • Base volumes, reserved capacity, and snapshot groups
        • Snapshot schedules and snapshot consistency groups
        • Snapshot volumes
        • Snapshot rollback
        • Snapshot terminology
        • Workflow for creating snapshot images and snapshot volumes
      • How tos
        • Create snapshots and snapshot objects
          • Create snapshot image
          • Schedule snapshot images
          • Create snapshot consistency group
          • Create snapshot volume
        • Manage snapshot schedules
          • Change the settings for a snapshot schedule
          • Activate and suspend snapshot schedule
          • Delete snapshot schedule
        • Manage snapshot images
          • View snapshot image settings
          • Start snapshot image rollback for a base volume
          • Start snapshot image rollback for snapshot consistency group member volumes
          • Resume snapshot image rollback
          • Cancel snapshot image rollback
          • Delete snapshot image
        • Manage snapshot consistency groups
          • Add member volume to a snapshot consistency group
          • Remove a member volume from a snapshot consistency group
          • Change the settings for a snapshot consistency group
          • Delete snapshot consistency group
        • Manage snapshot volumes
          • Convert snapshot volume to read-write mode
          • Change the volume settings for a snapshot volume
          • Copy snapshot volume
          • Re-create snapshot volume
          • Disable snapshot volume
          • Delete snapshot volume
      • FAQs
        • Why don’t I see all my volumes, hosts, or host clusters?
        • What is a snapshot image?
        • Why use snapshot images?
        • What kinds of volumes can be used for snapshots?
        • Why would I create a snapshot consistency group?
        • What is a snapshot volume and when does it need reserved capacity?
        • What is a snapshot group?
        • Why would I disable a snapshot volume?
        • What is the Disabled state?
        • Why would I suspend a snapshot schedule?
  • Mirroring
    • Asynchronous mirroring
      • Concepts
        • How asynchronous mirroring works
        • Asynchronous mirroring terminology
        • Workflow for mirroring a volume asynchronously
        • Requirements for using asynchronous mirroring
        • Considerations for setting up asynchronous mirroring
        • Asynchronous mirror status
        • Volume ownership
        • Role change of a mirror consistency group
      • How tos
        • Mirror volumes asynchronously
          • Create asynchronous mirrored volume
          • Complete mirrored pair for primary volumes created on legacy system
        • Manage mirror consistency groups
          • Test communication for mirror consistency groups
          • Suspend or resume synchronization for mirror consistency group
          • Change synchronization settings for a mirror consistency group
          • Re-synchronize mirror consistency group manually
          • View unsynchronized data amount between mirror consistency groups
          • Update remote IP address
          • Change mirror consistency group role to primary or secondary
          • Delete mirror consistency group
        • Manage asynchronous mirrored pairs
          • Remove asynchronous mirror relationship
          • Increase reserved capacity
          • Change the reserved capacity settings for a mirrored pair volume
        • Deactivate asynchronous mirroring
      • FAQs
        • How does asynchronous mirroring differ from synchronous mirroring?
        • Why can’t I access my chosen mirroring feature?
        • What do I need to know before creating a mirror consistency group?
        • Asynchronous mirroring - What do I need to know before creating a mirrored pair?
        • What do I need to know before increasing my reserved capacity on a mirrored pair volume?
        • Why can’t I increase reserved capacity with my requested amount?
        • Why would I change this percentage?
        • Why do I see more than one reserved capacity candidate?
        • Why do I see Not Available values displayed in the table?
        • Why don’t I see all of my pools and volume groups?
        • Asynchronous mirroring - Why don’t I see all my volumes?
        • Asynchronous mirroring - Why don’t I see all the volumes on the remote storage array?
        • Why would I update my remote storage array’s IP address?
    • Synchronous mirroring
      • Concepts
        • How synchronous mirroring works
        • Synchronous mirroring terminology
        • Workflow for mirroring a volume synchronously
        • Synchronous mirroring activation
        • Requirements for using synchronous mirroring
        • Synchronous mirroring status
        • Volume ownership
        • Role change between volumes in a mirrored pair
      • How tos
        • Create synchronous mirrored volume
        • Manage synchronous mirrored pairs
          • Test communication for synchronous mirroring
          • Suspend and resume synchronization for a mirrored pair
          • Change role between volumes in a mirrored pair
          • Change synchronization settings for a mirrored pair
          • Remove synchronous mirror relationship
        • Deactivate synchronous mirroring
      • FAQs
        • Synchronous mirroring - Why don’t I see all my volumes?
        • Synchronous mirroring - Why don’t I see all the volumes on the remote storage array?
        • Synchronous mirroring - What do I need to know before creating a mirrored pair?
        • What impact does synchronization priority have on synchronization rates?
        • Why is it recommended to use a manual synchronization policy?
  • Hardware
    • Shelves
      • Concepts
        • Hardware page overview
        • Hardware terminology
      • How tos
        • View hardware components
        • Show or hide component status
        • Switch between front and back views
        • Change view order of shelves
        • Turn on shelf locator light
        • Change shelf IDs
        • View shelf component status and settings
        • Update battery learn cycles
      • FAQs
        • What is shelf loss protection and drawer loss protection?
        • What are battery learn cycles?
    • Controllers
      • Concepts
        • Controller terminology
        • Controller states
        • Considerations for assigning IP addresses
      • How tos
        • Configure management port
        • Configure iSCSI ports
        • Configure iSER over InfiniBand ports
        • Configure NVMe over InfiniBand ports
        • Configure NVMe over RoCE ports
        • Configure NTP server addresses
        • Configure DNS server addresses
        • View controller settings
        • Allow remote login
        • Place controller online
        • Place controller offline
        • Place controller in service mode
        • Reset (reboot) controller
      • FAQs
        • What is auto-negotiation?
        • What is IPv6 stateless address auto-configuration?
        • Which do I choose — DHCP or manual configuration?
        • What is a DHCP server?
        • How do I configure my DHCP server?
        • Why do I need to change the controller network configuration?
        • Where do I get the network configuration?
        • What are ICMP PING responses?
        • When should I refresh the port configuration or the iSNS server from the DHCP server?
        • What should I do after configuring the management ports?
    • Drives
      • Concepts
        • Drive terminology
        • Drive states
        • Solid State Disks (SSDs)
        • Hot spare drives
      • How tos
        • Limit the drive view
        • Turn on drive locator light
        • View drive status and settings
        • Replace drive logically
        • Reconstruct drive manually
        • Initialize (format) drive
        • Fail drive
        • Assign hot spares
        • Unassign hot spares
        • Erase secure-enabled drive
      • FAQs
        • What is preservation capacity?
        • Why would I logically replace a drive?
        • Where can I view the status of a drive undergoing reconstruction?
  • Settings
    • Alerts
      • Concepts
        • How alerts work
        • Alerts terminology
      • How tos
        • Manage email alerts
          • Configure mail server and recipients for alerts
          • Edit email addresses for alerts
          • Add email addresses for alerts
          • Delete email addresses for alerts
          • Edit mail server for alerts
        • Manage SNMP alerts
          • Configure communities and destinations for SNMP alerts
          • Edit community names for SNMP traps
          • Add community names for SNMP traps
          • Remove community name for SNMP traps
          • Configure SNMP MIB variables
          • Add trap destinations for SNMP alerts
          • Delete trap destinations
        • Manage syslog alerts
          • Configure syslog server for alerts
          • Edit syslog servers for alerts
          • Add syslog servers for alerts
          • Delete syslog servers for alerts
      • FAQs
        • What if alerts are disabled?
        • How do I configure SNMP or syslog alerts?
        • Why are timestamps inconsistent between the array and alerts?
    • System
      • Storage array settings
        • Concepts
          • Cache settings and performance
          • Automatic load balancing overview
          • Default host operating system type
        • How tos
          • Edit storage array name
          • Turn on storage array locator lights
          • Synchronize storage array clocks
          • Save storage array configuration
          • Clear storage array configuration
          • Configure login banner
          • Manage session timeouts
          • Change cache settings for the storage array
          • Set host connectivity reporting
          • Set automatic load balancing
          • Change default host type
          • Enable or disable legacy management interface
        • FAQs
          • What is controller cache?
          • What is cache flushing?
          • What is cache block size?
          • When should I synchronize storage array clocks?
          • What is host connectivity reporting?
      • iSCSI settings
        • Concepts
          • iSCSI terminology
        • How tos
          • Configure iSCSI ports
          • Configure iSCSI authentication
          • Enable iSCSI discovery settings
          • View iSCSI statistics packages
          • End iSCSI session
          • View iSCSI sessions
          • Configure iSER over InfiniBand ports
          • View iSER over InfiniBand statistics
        • FAQs
          • What happens when I use an iSNS server for registration?
          • Which registration methods are automatically supported for iSCSI?
          • How do I interpret iSER over InfiniBand statistics?
          • What else do I need to do to configure or diagnose iSER over InfiniBand?
      • System: NVMe settings
        • Concepts
          • NVMe overview
          • NVMe terminology
        • How tos
          • Configure NVMe over InfiniBand ports
          • Configure NVMe over RoCE ports
          • View NVMe over Fabrics statistics
        • FAQs
          • How do I interpret NVMe over InfiniBand statistics?
          • How do I interpret NVMe over Fabrics statistics?
          • What else do I need to do to configure or diagnose NVMe over InfiniBand?
          • What else do I need to do to configure or diagnose NVMe over RoCE?
      • Add-on features
        • Concepts
          • How add-on features work
          • Add-on feature terminology
        • How tos
          • Obtain a feature key file
          • Enable a premium feature
          • Enable feature pack
      • Security key management
        • Concepts
          • How the Drive Security feature works
          • How security key management works
          • Drive Security terminology
        • How tos
          • Create internal security key
          • Create external security key
          • Change security key
          • Switch from external to internal key management
          • Edit key management server settings
          • Back up security key
          • Validate security key
          • Unlock drives using a security key
        • FAQs
          • What do I need to know before creating a security key?
          • Why do I need to define a pass phrase?
          • Why is it important to record security key information?
          • What do I need to know before backing up a security key?
          • What do I need to know before unlocking secure drives?
          • What is read/write accessibility?
          • What do I need to know about validating the security key?
          • What is the difference between internal security key and external security key management?
    • Access management
      • Concepts
        • How Access Management works
        • Access Management terminology
        • Permissions for mapped roles
        • Access Management with local user roles
        • Access Management with directory services
        • Access Management with SAML
      • How tos
        • View local user roles
        • Change passwords
        • Change local user password settings
        • Add directory server
        • Edit directory server settings and role mappings
        • Remove directory server
        • Configure SAML
        • Change SAML role mappings
        • Export SAML Service Provider files
        • View audit log activity
        • Define audit log policies
        • Delete events from the audit log
        • Configure syslog server for audit logs
        • Edit syslog server settings for audit log records
      • FAQs
        • Why can’t I log in?
        • What do I need to know before adding a directory server?
        • What do I need to know about mapping to storage array roles?
        • Which external management tools may be affected by this change?
        • What do I need to know before configuring and enabling SAML?
        • What types of events are recorded in the audit log?
        • What do I need to know before configuring a syslog server?
        • The syslog server is no longer receiving audit logs. What do I do?
    • Certificates
      • Concepts
        • How CA certificates work
        • Certificate terminology
      • How tos
        • Complete a CA certificate signing request (CSR) for the controllers
        • Import trusted certificates for controllers
        • Import a management certificate for controllers
        • View imported certificate information
        • Delete trusted certificates
        • Reset management certificates
        • Complete CA certificate signing request (CSR) for a key server
        • Import key management server certificates
        • Export key management server certificates
        • Enable certificate revocation checking
      • FAQs
        • Why does the Cannot Access Other Controller dialog box appear?
        • How do I know what certificates need to be uploaded to System Manager?
        • What do I need to know about certificate revocation checking?
        • What types of servers will revocation checking be enabled for?
  • Support
    • Support center
      • Concepts
        • AutoSupport feature overview
        • Workflow for the AutoSupport feature
      • How tos
        • View storage array information
          • View storage array profile
          • View software and firmware inventory
        • Collect diagnostic data
          • Collect support data manually
          • Retrieve recovery support files
          • Retrieve trace buffers
          • Collect drive data
          • Collect I/O path statistics
          • Retrieve health image
        • Take recovery action on storage array status
          • View unreadable sectors log
          • View NVMe over InfiniBand statistics packages
          • Re-enable drive ports
          • Clear recovery mode
        • Manage iSCSI connections
          • View iSCSI statistics packages
          • View the different types of iSCSI statistics
            • MAC transmit and MAC receive statistics
            • Ethernet TCP/IP statistics
            • iSCSI target statistics and local initiator statistics
            • DCBX operational state statistics
            • LLDP TLV statistics
            • DCBX TLV statistics
          • View iSCSI sessions
          • End iSCSI session
          • View iSER over InfiniBand statistics
        • Manage NVMe connections
          • View NVMe over Fabrics statistics
        • Manage AutoSupport
          • Enable or disable AutoSupport features
          • Enable AutoSupport maintenance window
          • Disable AutoSupport maintenance window
          • Configure AutoSupport delivery method
          • Schedule AutoSupport dispatches
          • View AutoSupport status
          • View AutoSupport log
      • FAQs
        • What data am I collecting?
        • What does unreadable sectors data show me?
        • What is a health image?
        • What else do I need to do to configure or diagnose iSCSI?
        • What do the AutoSupport features do?
        • What type of data is collected through the AutoSupport feature?
        • How do I configure the delivery method for the AutoSupport feature?
    • Event log
      • Concepts
        • Critical events
        • Event log
      • How tos
        • View events using the event log
    • Upgrade center
      • Concepts
        • Controller software and firmware upgrades
        • Workflow for controller software and firmware upgrade
        • Drive firmware upgrades
      • How tos
        • Upgrade software and firmware
        • Activate controller software and firmware
        • Upgrade drive firmware
        • Review the possible software and firmware upgrade errors
      • FAQs
        • What do I need to know before upgrading the SANtricity OS Software?
        • What do I need to know before suspending IOM auto-synchronization?
        • Why is my firmware upgrade progressing so slowly?
        • What do I need to know before upgrading drive firmware?
        • How do I choose which type of upgrade to perform?
  • Legal notices