drive_group ‑modify

Includes or excludes a drive group from a Storage Domain.

SYNOPSIS

drive_group ‑modify 
   { ‑driveGroup drive‑group‑id‑or‑fqn [,drive‑group‑id‑or‑fqn]...
       { ‑includeInStorageDomain storage‑domain‑id‑or‑fqn
             [{‑rebalanceVolumes | ‑noRebalanceVolumes}]
       | ‑excludeFromStorageDomain
             [‑priority {default | maximumSpeed | minimumImpact}]
       }
   | ‑cancelExcludeFromStorageDomain storage‑domain‑id‑or‑fqn
   }

   [{‑sessionKey | ‑u admin‑user ‑oracleFS oracle‑fs‑system}]
   [{‑outputformat | ‑o} { text | xml }]
   [{‑timeout timeout‑in‑seconds | ‑verify | ‑usage | ‑example | ‑help}]

DESCRIPTION

When the Oracle FS System creates a new drive group, the drive group is not associated with any Storage Domain. To assign the drive group to a Storage Domain, run the drive_group ‑modify ‑includeStorageDomain command. To create the Storage Domain, run the storage_domain ‑add command.

Important! Excluding the drive group reduces performance and causes latency while the Oracle FS System migrates the data volumes to the remaining drives. To address this, you can set a ‑priority option to minimize the impact. When adding a drive group to a Storage Domain that has drive groups already included in the Storage Domain, you can rebalance the existing data volumes. Rebalancing data volumes also reduces performance and causes latency while the Oracle FS System migrates the data. After the migration processes complete, expect increased performance and decreased latency.

Only administrators with primary administrator or admin1 roles are authorized to run this command.

OPTIONS

‑cancelExcludeFromStorageDomain

Terminates the drive group exclusion operations that are currently processing. Resets the storage domain to the state that it was in before the drive group exclusion command was initiated.

‑driveGroup

Specifies the fully qualified name (FQN) or unique identifier (ID) of one or more drive groups. When a Drive Enclosure is added to the Oracle FS System, the system automatically allocates the storage by generating one or more drive groups. The drive_group ‑list command displays the names of all drive groups that are defined on the Oracle FS System. The FQN consists of the name that the system generates preceded by a forward slash (/) character.

‑excludeFromStorageDomain

Migrates the data volumes from the drives in the drive group onto other storage in the Storage Domain. Use with the ‑priority option to specify the priority of the background processes that perform the exclusion.

‑includeInStorageDomain

Includes the specified drive group in the Storage Domain. You can specify that the Oracle FS System rebalance the volumes across all drive groups in the Storage Domain. Not rebalancing the volumes is the default.

‑noRebalanceVolumes

Specifies that the existing logical volumes are not rebalanced after one or more drive groups are added to a Storage Domain. This action is the default.

‑priority

Specifies the priority of the background processes that migrate the data as a result of excluding the drive group from the storage domain:

default: Balances the impact and the speed based on the data access activity.
maximumSpeed: Increases the priority of the background operations.
minimumImpact: Allows the background processes to run when the processes do not significantly impact I/⁠O.

‑rebalanceVolumes

Rebalances the existing volumes that reside on all of the drive groups in the Storage Domain after adding one or more drive groups to the Storage Domain.

GLOBAL OPTIONS FOR SUBCOMMANDS

The following global options can be used for fscli command-subcommand pairs that do not include other command-line options:

‑help: Returns the context-sensitive help for the specified subcommand.
‑usage: Returns the subcommand syntax for the given command, including all of the options that are available for the command-subcommand pair.

GLOBAL OPTIONS FOR COMMANDS

The following global options can be used for fully formed fscli commands:

‑example

Returns sample output from the specified command.

Note: To see the output in XML format, include the ‑o xml option.

‑timeout timeout-in-seconds

Specifies the length of time (timeout-in-seconds) that the command line interface waits before another command is allowed to run. If the command takes longer to run than the specified time limit, the system continues processing the command, but the command prompt is made available so that you can issue another command. If the -timeout option is omitted, the command line interface blocks until the one of the following conditions is met:

The command completes successfully.
The command returns with an error.
The session times out.

Note: Be sure to check the state of the system after initiating a long running command with the ‑timeout option. Many fscli commands run a series of underlying commands in sequence. When the timeout value is reached before all of the underlying commands have completed, the fscli command does not complete with the outstanding tasks reporting a failure status.

‑outputformat | ‑o { text | xml }: Controls the type of the output the system returns from a command. If the ‑outputformat option is not included, the format of the output defaults to simple text. If xml is provided, the output is a collection of XML elements.
Note: For XML output, if internal errors occur during command execution, each error is included in a separate <ErrorList> tag.

‑verify: Inspects the validity of the command syntax, not the semantics. Used to test the structure of a command without running the command. Does not determine whether errors would be produced if you issue a structurally correct command with the input provided.
‑sessionkey: Directs the CLI to prompt you to supply a session key when you issue the command. The CLI displays Sessionkey: as the prompt. To obtain a session key, log in with the ‑returnKey option specified. After the session is established, the session key is displayed in STDOUT. If you request a session key, the ‑sessionkey option is required syntax for all commands that are issued in a given session. In environments with more than one Oracle FS System, the session key is used to determine to which Oracle FS System to direct the command for validation. Session keys are also used to establish two or more CLI sessions when using a shared administrator account.
‑u admin-user ‑oracleFS oracle‑fs-system: Routes the command to a particular Oracle FS System for execution. This option passes the name of the administrator account to use when opening the session on the specified system. Identify a specific Oracle FS System by its IP address or by the name that is recorded in the domain name system (DNS). When logging in to the Oracle FS System using the ‑u option and the ‑oracleFS option, the fscli application prompts you for a password on the command line interface for access. The Oracle FS System and the account login information are used to authenticate the current session. Establishing a login session by specifying an Oracle FS System and an account does not change the credentials that are associated with the active sessions that are running on other clients.
Caution
Oracle recommends that you not use the Cygwin command line interface to run the fscli application on Windows platforms. If you are running the Cygwin interface and include the ‑u option as a part of the ‑list subcommand, the password for the specified account is included in the results. Exposing the password can cause a breach in security.

EXAMPLE

Task

Add the specified drive group to the specified storage domain without rebalancing the data volumes.

Parameters

The fully qualified name (FQN) of the drive group: /⁠⁠ENCLOSURE01-DG001
The fully qualified name (FQN) of the storage domain: /⁠OracleDatabase12c

$ fscli drive_group ‑modify ‑driveGroup /⁠ENCLOSURE-1‑DG001 ‑includeInStorageDomain /⁠OracleDatabase12c