Dell PowerVault DX6112 Dell DR Series System Command Line Reference Guide - Page 123
Data Check CLI Commands, System --Datacheck
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Data Check: Namespace Scan Option The namespace scan option focuses on file attributes such as file size, file name, permissions, and last time modified. Data integrity verification is done using a checksum process. You can choose to enable or disable the Data Check namespace scan in the DR Series system based on the command setting you select. Data Check: Blockmap Scan Option The blockmap scan option identifies a specific mapping of data contained within a block, with a block being a structured form of data that the DR Series system can identify. You can choose to enable or disable the Data Check blockmap scan based on the command option you select. Data Check: All Data Scan Option The All scan option is one of three options that can be selected for DR Series system data scan operations. The All scan option identifies that both the namespace and blockmap options are to be included in the Data Check commands. You can choose to enable or disable Data Check scans for both namespace and blockmap in the DR Series system based on the specific command option you select. Data Check CLI Commands These DR Series system CLI commands allow you to perform the following Data Check-related scans and display current Data Check status. There are two sets of Data Check related DR Series system CLI commands: system -datacheck and stats --datacheck. system --datacheck Commands • Display the current Data Check state (enabled/disabled status for namespace, blockmap, or all). For more information, see system --datacheck. • Enable Data Check scans (namespace, blockmap, or all). For more information, see system --datacheck [-enable ]. • Disable Data Check scans (for namespace, blockmap, or all). For more information, see system --datacheck [-disable ]. • Set the percentage of available system resources to use for Data Check scans. For more information, see system --datacheck [--throttle ]. • Display the list of Data Check help-related options that can be used as a reference when using the CLI. For more information, see system --help datacheck. stats --datacheck Commands • Display the variety of Data Check statistics collected by the DR4000 system. For more information, see stats -datacheck. • Reset the Data Check statistics in the DR4000 system. For more information, see stats --reset --datacheck. • Display the list of Data Check-related options that can be used as a reference when using the DR Series system CLI. For more information, see stats --help datacheck. System --Datacheck This set of DR Series system CLI commands allow you to display the current Data Check status, enable and disable Data Check scans on the DR Series system, set the throttle percentage of system resources to use for Data Check scans, and display the system Data Check help-related options. For more information, see System --Datacheck Command Usage. 123
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