SnapDrive® 5.2.2 for UNIX®

Installation and Administration Guide

For IBM AIX®

• SnapDrive for UNIX overview
• What SnapDrive for UNIX does
• Features supported in SnapDrive for UNIX
• Clustered Data ONTAP features available in SnapDrive for UNIX
• Operations performed on stand-alone UNIX systems
• Support for Vserver
• Considerations for supporting vFiler units
• Considerations for using SnapDrive for UNIX
• Management of an LVM and raw entities
  • SnapDrive for UNIX provisioning in an LVM environment
  • SnapDrive for UNIX and raw entities
• How to manage Snapshot copies of LVM, raw devices, and NFS entities
• Security considerations
• Access permissions on a storage system
• Requirements for storage systems
• Stack requirements
• Supported FC, iSCSI, or NFS configurations
• Limitations
• Limitations of LUNs managed by SnapDrive
• SnapDrive limitations for clustered Data ONTAP
• Support for NetApp DataMotion for vFiler
• Support for volume migration
  • Managing volume migration in SnapDrive for UNIX
• SnapDrive for UNIX configuration checker
• Limitations for NFS files or directory trees
• Multipathing in SnapDrive for UNIX
• Thin provisioning in SnapDrive for UNIX
• Volume managers on SnapDrive for UNIX
• New in this release
• Preparing to install SnapDrive for UNIX
• Hardware and software configuration
  • FC or iSCSI configuration checks
  • NFS configuration checks
• Preparing your storage system
  • Verification of storage system readiness and licenses
  • Storage system partner IP address or interface name confirmation
  • Considerations for NFS configurations
  • Storage system volume preparation
  • Volume optimization in an FC or iSCSI environment
  • Reset the snap reserve option
    • Resetting the snap reserve option on the storage system
    • Resetting the snap reserve option by using FilerView
• Host preparation for installing SnapDrive for UNIX
  • Installing Linux Solaris AIX HPUX Host Utilities
  • Verify that the hosts are ready
• Installing or upgrading SnapDrive of UNIX
• Decompressing the downloaded software
• Installing SnapDrive for UNIX on an AIX host
• Uninstalling SnapDrive for UNIX from an AIX host
• Postinstallation checks
• Files installed by SnapDrive for UNIX
  • Executables installed by SnapDrive for UNIX
  • Configuration files installed by SnapDrive for UNIX
  • Diagnostic files installed by SnapDrive for UNIX
  • Manual pages installed by SnapDrive for UNIX
• Upgrade SnapDrive for UNIX to current version
• The SnapDrive for UNIX daemon
• What the Web service and daemon are
• Checking the status of the daemon
• Starting the SnapDrive for UNIX daemon
• Changing the default daemon password
• Stopping the daemon
  • Nonforcibly stopping the daemon
  • Forcibly stopping the daemon
• Restarting the daemon
• Forcing daemon restart
• Secure daemon communication using HTTPS
• Generating self-signed certificates
• SnapDrive for UNIX configuration checker
• Configuration checker components for SnapDrive for UNIX
• Checking the SnapDrive configuration checker version
• Identifying the installed components
• Verifying the supported configuration
• Importing data files
• Configuration specification
• Support for storage system rename
• Configuring the new storage system name in a host system
• Viewing the list of storage systems
• Migrating from old storage system to new storage system
• Viewing the migrated new storage system
• Deleting the storage system mapping information from the host system
• Using port set in SnapDrive for UNIX
• Adding a port set in SnapDrive
• Viewing the list of port set
• Removing a port set from SnapDrive
• Migrating to new Vserver name
• Configuring igroups
• Adding an igroup
• Deleting an igroup
• Viewing the list of igroups
• Using Selective LUN Map in SnapDrive for UNIX
• Configuring SnapDrive for UNIX
• Configuration information in SnapDrive for UNIX
  • What the snapdrive.conf file is
  • Configuration options and their default values
  • What SnapDrive configuration wizard does
  • SnapDrive configuration wizard
  • Some configuration commands
  • Setting up the configuration wizard
  • Setting values in the snapdrive.conf file
  • Checking the version of SnapDrive for UNIX
• Configuration information for Vserver environment
  • Login information for Vserver
  • Specifying login information for Vserver
  • Verifying login information for Vserver
  • Deleting a user for a Vserver
• Audit, recovery, and trace logging in SnapDrive for UNIX
  • Types of logs
  • Enabling and disabling log files
  • Log file rotation settings
  • Contents of an audit log file
  • Changing the defaults for the audit logs
  • Contents of the recovery log
  • Default values for the recovery logs
  • What the trace log file is
    • Default values for the trace log files
• What AutoSupport is
  • How SnapDrive for UNIX uses AutoSupport
  • Contents of AutoSupport message
  • Example of an AutoSupport message
• Multipath access in SnapDrive for UNIX
  • Enabling multipathing
  • Reason to refresh the DMP paths
• Thin provisioning in SnapDrive for UNIX
  • Enabling thin provisioning for LUNs
  • Enabling thin provisioning for NFS entities
• Multiple subnet configuration
  • Configuring management and data interfaces for a storage system
  • Viewing all the data interfaces for a management interface
  • Deleting a data interface entry for a management interface
  • LUN names in SAN environment
  • Pure NFS environment
  • Mixed SAN and NFS environments
• Automatic detection of host entities
• Wizards in SnapDrive for UNIX
  • Commands executed using a wizard
  • Storage management operations using a wizard
  • Snapshot copy management operations using a wizard
  • Delete storage using a wizard
• Security features in SnapDrive for UNIX
• What the Security features are
• Access control in SnapDrive for UNIX
  • What access control settings are
  • Available access control levels
  • Setting up access control permission
  • Viewing the access control permission
• Login information for storage systems
  • Specifying login information
  • Verifying storage system user names associated with SnapDrive for UNIX
  • Deleting a user login for a storage system
• Setting up HTTP
• Role-based access control in SnapDrive for UNIX
• What role-based access control (RBAC) in SnapDrive for UNIX is
• SnapDrive for UNIX and Operations Manager console interaction
• Configuration of role-based access control in SnapDrive for UNIX
  • Configuring sd-admin in Operations Manager console
    • Configuring sd-admin using command-line interface
  • Adding sd-hostname to the storage system
    • Adding sd- hostname to storage system using CLI
  • Configuring user credentials on SnapDrive for UNIX
  • User name formats for performing access checks with Operations Manager console
  • Configuration variables for role-based access control
• SnapDrive commands and capabilities
• Preconfigured roles for ease of user role configuration
• Automatic storage system update on Operations Manager console
• Multiple Operations Manager console servers
• Operations Manager console unavailable
• RBAC and storage operation examples
  • Operation with a single filespec on a single storage object
  • Operation with a single filespec on multiple storage objects
  • Operation with multiple filespec and storage objects
  • Operation with multiple storage objects
  • Operation with multiple Operations Manager console servers managing storage systems
• FlexClone volumes in SnapDrive for UNIX
• What FlexClone volumes are
• Benefits of FlexClone volumes
• Types of FlexClone volumes
• SnapDrive for UNIX operations on FlexClone volumes
  • Role-based access control for FlexClone volume operations
  • Snap connect procedure
  • Snap disconnect procedure
  • Connecting to a single filespec in a LUN
  • Connecting to multiple filespecs
  • Disconnecting a file specification
  • Splitting the FlexClone volume
  • Space reservation with a FlexClone volume
• Storage Provisioning in SnapDrive for UNIX
• Storage operations in SnapDrive for UNIX
  • Storage operations across multiple storage system volumes
  • Considerations for storage operations
• Storage creation with SnapDrive for UNIX
  • Methods for creating storage
  • Guidelines for the storage create operation
  • Information required for the storage create operation
  • Storage creation for LVM VxVM entities
  • Storage creation for a file system that resides on a LUN
  • Creating LUNs without host entities
  • Creating a file system on a LUN and setting up the LUN automatically
  • Creating a file system on a LUN and specifying the LUN
  • Creating an LVM a VxVM entity and setting up the LUN automatically
  • Creating an LVM a VxVM entity and specifying the LUN
• Command to use to display available storage
  • Methods for displaying storage information
• Increase the storage size using SnapDrive for UNIX
  • Guidelines for the storage resize command
  • Information required for using the snapdrive storage resize command
  • Command syntax to increase the size of the storage
  • Host volumes and file system resize operation
• The storage connect command
  • Guidelines for the storage connect command
  • Information required for using the snapdrive storage connect command
  • Connecting LUNs with disk groups, host volumes, and file systems
  • Connecting existing LUNs with shared resources
• The storage disconnect command
  • Methods for disconnecting storage
  • Guidelines for the snapdrive storage disconnect command
  • Tips for using the storage disconnect command
  • Information required for using the snapdrive storage disconnect command
  • Command syntax for disconnecting LUNs from the host
  • Command syntax for disconnecting a file system created on a LUN from the host
  • Command syntax for disconnecting LUNs and storage entities from the host
• The storage delete command
  • Guidelines for using the storage delete command
  • Information required for using the snapdrive storage delete command
• Creating and using Snapshot copies in SnapDrive for UNIX
• What Snapshot operations are in SnapDrive for UNIX
  • Considerations when working with Snapshot copies
• Snapshot copy operations
  • Crash-consistent Snapshot copies
    • Crash consistency with Data ONTAP 7.2 and later
    • Using Consistency Group Snapshots in SnapDrive for Unix
    • Capturing a consistency group snapshot
    • Disabling consistency group snapshots
  • Application-consistent Snapshot copies
  • Snapshot copies that span storage systems or volumes
  • Creating Snapshot copies of unrelated entities
  • Guidelines for Snapshot copy creation
  • Information required for using the snapdrive snap create command
  • Creating a Snapshot copy
• Snapshot copies information display
  • Command to use to display Snapshot copy information
  • Guidelines for displaying Snapshot copies
  • Information required for using the snapdrive snap show or list commands
  • Displaying Snapshot copies residing on a storage system
  • Displaying Snapshot copies of a storage system volume
  • Displaying a Snapshot copy
  • Other ways to get Snapshot copy names
• Snapshot copy rename
  • Command to use to rename a Snapshot copy
  • Renaming a Snapshot copy that spans storage systems or volumes
  • Guidelines for renaming Snapshot copies
  • Changing a Snapshot copy name
• Restoring a Snapshot copy
  • Command to use to restore Snapshot copies
  • Restoring Snapshot copies on a destination storage system
    • Restoring multiple storage entities
  • Considerations for restoring a Snapshot copy
  • Information required for using the snapdrive snap restore command
  • Restoring a Snapshot copy
  • Restoring a Snapshot copy from a different host
  • Volume-based SnapRestore
    • What volume-based SnapRestore is
    • Considerations for using volume-based SnapRestore
    • Mandatory checks for volume-based SnapRestore
    • Checks that can be overridden by the user
    • Volume-based SnapRestore command
    • Information about LUNs mapped to local or remote hosts
    • Host filespec information for a particular volume
    • Volume-based SnapRestore for space reservation
• Connecting to a Snapshot copy
  • How the snapdrive snap connect command works
  • Connecting Snapshot copies on mirrored storage systems
    • Connecting multiple storage entities
  • Snapshot connect and Snapshot restore operations
  • Guidelines for connecting Snapshot copies
  • Information required for using the snapdrive snap connect command
  • Connecting to a Snapshot copy that contains LUNs
  • Connecting to a Snapshot copy of storage entities other than LUNs
  • Connecting to Snapshot copies of shared storage entities other than LUNs
• Splitting a volume clone or LUN clone
  • Estimating the storage space to split a volume clone
  • Estimating the storage space to split a LUN clone
  • Estimating the storage space using a Snapshot copy
  • Starting the volume clone or LUN clone split
  • Viewing the status of a volume clone or LUN clone split
  • Stopping the volume clone or LUN clone split operation
  • Viewing the result of clone split using job id or file specification
• Deleting a Snapshot copy
  • Command to use to delete Snapshot copies
  • Reasons to delete Snapshot copies
  • Guidelines for deleting Snapshot copies
  • Information required for using the snapdrive snap delete command
  • Deleting a Snapshot copy
• Disconnecting a Snapshot copy
  • Using the Snapshot disconnect operation
  • Guidelines for disconnecting Snapshot copies
    • Guidelines for disconnecting Snapshot copies for NFS entities
  • Information required for using the snapdrive snap disconnect command
  • Disconnecting Snapshot copy with LUNs and no storage entities
  • Disconnecting Snapshot copy with storage entities
  • Disconnecting Snapshot copies with shared storage entities
• Data collection utility
• About the data collection utility
• Tasks performed by snapdrive.dc
• Executing the data collection utility
• Examples of using snapdrive.dc
• Troubleshooting
• Understanding error messages
  • Error message locations
  • Error message format
    • Sample error message
• Common error messages
  • Operating system limits on open files
  • Deleting LUNs and clones leave stale devices in UNIX
  • Error message values
• If a volume is deleted on the Vserver without unmounting the volume on the host system, the snapdrive storage show command displays the incorrect actual path
• Snap restore operation fails when you have nfsv3 and nfsv4 versions enabled in the host and storage system
• Snap disconnect operation fails to delete cloned volume
• SnapDrive for UNIX reports an error if iSCSI is not running
• Discrepancy in the error code message
• Commands appear blocked
• Clustering message appears during SnapRestore
• Standard exit status values
  • Understanding exit status values of error messages
  • Using exit status values
  • Script example
  • Exit status values
• Volume-based SnapRestore check fails
• Snapshot create and delete operation fails
• Unable to create a Snapshot copy
• Unable to restore a Snapshot copy
• Unable to restart the daemon-host cannot communicate to the storage system
• (AIX) MPIO cfmode support limited
• Unable to start the daemon- due to port issues
• Ghost device handle in AIX
• snapdrived start command fails
• SnapDrive commands sometimes result in mounting or unmounting file systems and modify system files
• Unable to select a storage stack
• snapdrived stop or snapdrived start command hangs
• SnapDrive for UNIX command displays could not check access error
• Mounting a FlexVol volume fails in NFS environment
• SnapDrive for UNIX incorrectly interprets the dollar sign
• SnapDrive for UNIX storage create command fails while discovering some mapped devices
• SnapDrive for UNIX commands fail with customized LD_LIBRARY_PATH
• SnapDrive operations fail in multiple subnet configuration
• SnapDrive for UNIX commands fail when environment variables are set using a command shell
• Cannot install SnapDrive for UNIX patches on AIX by default
• SnapDrive for UNIX does not automatically delete stale devices in UNIX
• Command reference
• Collecting information needed by SnapDrive for UNIX commands
  • Collecting information needed by commands
  • General notes about the commands
• Summary of the SnapDrive for UNIX commands
  • Command summary
    • Configuration command lines
    • Storage provisioning command lines
    • Host-side command lines
    • Snapshot operation command lines
  • SnapDrive for UNIX options, keywords, and arguments
    • Command-line options
    • Rules for keywords
    • Command-line keywords
    • Command-line arguments
• Copyright information
• Trademark information
• How to send your comments

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