Dell DR6300 DR Series System Command Line Reference Guide - Page 156

System --Datacheck

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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. 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. System --Datacheck Command Usage This topic introduces the system --datacheck command usage: • system --datacheck • system --datacheck--enable [options] • system --datacheck --disable [options] • system --datacheck --throttle [options] • system --help datacheck NOTE: If you specify a command without supplying the expected value or option, you will be prompted to provide the correct value or option. system --datacheck Description Displays the current status of Data Check on a DR Series system. Syntax system --datacheck Result Data Check : Enabled - namespace,blockmap,throttle:50% Data Check : Disabled NOTE: The first example shows that both --namespace and --blockmap scans are enabled, and the default -throttle setting (50%) is on for the DR Series system. As shown in the second example, a Data Check status of disabled indicates that both the --namespace and --blockmap scans are disabled on the DR Series system. 156

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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.
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
.
System --Datacheck Command Usage
This topic introduces the
system --datacheck
command usage:
•
system --datacheck
•
system --datacheck--enable [options]
•
system --datacheck --disable [options]
•
system --datacheck --throttle [options]
•
system --help datacheck
NOTE:
If you specify a command without supplying the expected value or option, you will be prompted to provide
the correct value or option.
system --datacheck
Description
Displays the current status of Data Check on a DR Series system.
Syntax
system --datacheck
Result
Data Check : Enabled - namespace,blockmap,throttle:50%
Data Check : Disabled
NOTE:
The first example shows that both
--namespace
and
--blockmap
scans are enabled, and the default
--
throttle
setting (50%) is on for the DR Series system. As shown in the second example, a Data Check status of
disabled indicates that both the
--namespace
and
--blockmap
scans are disabled on the DR Series system.
156