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Dell PowerVault MD 32XX/36XX Series Storage Arrays CLI Guide

PDF

Start Storage Array Configuration Database Diagnostic

Description

This command runs a consistency check against a configuration database.

Syntax

start storageArray configDbDiagnostic
                                 [sourceLocation=(disk | onboard)]
                                 [diagnosticType = (fileSystem | mirror | contentCheck)]
                                 [controller[(0 | 1)]]

Parameters

Parameter Description
sourceLocation This parameter specifies the location of the database.
  • disk indicates that data comes directly from the database on the physical disk.
  • onboard indicates that data comes from the RPA memory location
The default location is disk.
diagnosticType The level of diagnostic testing that you want to run on the database. You can run one of these levels of testing:
fileSystem This option checks the structural integrity of the database.
replication
  • When the sourceLocation parameter is set to disk, the peer RAID controller module initiates a block check.
  • When the sourceLocation parameter is set to cache, the peer RAID controller module initiates a record check.
contentCheck This option performs a deep analysis of each record's contents.
The default value is fileSystem.
controller The RAID controller module that has the database on which you want to run the diagnostic tests. Valid RAID controller module identifiers are 0 or 1, where 0 is the RAID controller module in slot 0, and 1 is the RAID controller module in slot 1. Enclose the RAID controller module identifier in square brackets ([ ]).

Notes

This command runs a consistency check against a configuration database. All database records are checked. Error data is written to a file in the data folder on disk automatically. You do not need to specify an output file.
  • NOTE: Executing a consistency check with the diagnosticType parameter set to a value other than filesystem, and with the sourceLocation parameter set to onboard, can cause the operation to run for a long time. This can have adverse effects on host I/O processing. This operation should be done only under direction from the support organization.
Upon completion of the diagnostic test, the RAID controller firmware returns one of these results:
  • Diagnosis completed without errors. No ZIP file created.
  • Diagnosis completed with errors. Refer to the ZIP file created at:

    ...\Install_dir\data\FirmwareUpgradeReports\timestamp_buildNo.zip

If the diagnostic test detects an inconsistency in the configuration database, the RAID controller module firmware performs these actions:
  • Returns a description of the inconsistency
  • Saves a ZIP file containing raw binary data

The RAID controller module firmware saves the ZIP file to this location: ...\Install_dir\data\FirmwareUpgradeReports\timestamp_buildNo.zip

You can use the binary data to help determine the cause of the problem, or you can send the file containing the binary data to a Technical Support representative.

To stop the database configuration diagnostic test, use the stop storageArray configDbDiagnostic command.

In addition, you can start the database configuration diagnostic test through the MD storage management software GUI; however, you cannot stop the database configuration diagnostic test through the MD storage management software GUI. If you want to stop a running diagnostic test, you must use the stop storageArray configDbDiagnostic command.

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