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

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Start Input Output RAID Controller Module (IOC) Dump

Description

This command produces a dump of the IOC log of data transmissions between a host and a RAID controller module. RAID Controller Modules are identified as "0" or "1". Each RAID controller module can have up to four host channels, each channel is uniquely identified by a number from 1 through 4.

Syntax

start IOCLog [(0,1 | 0,2 | 1,1 | 1,2)] [overwrite=(TRUE | FALSE)]

Parameters

Parameter Description

RAID controller module-channel identifiers

This parameter specifies the RAID controller module and host channel from which to produce the IOC dump. Valid RAID controller module identifiers are 0 or 1. Enclose the RAID controller module identifier and host channel identifier in square brackets ([ ]).

Valid RAID controller module identifier and host channel values are 0,1, 0,2, 1,1, 1,2, .

If you do not specify a RAID controller module, the MD storage management software returns a syntax error.

overwrite

This parameter causes the new IOC log dump to overwrite an existing dump. To overwrite the existing dump, set this parameter to TRUE. The default value is FALSE.

  • NOTE: This command generates a debug log from the IOC of the selected RAID controller module and stores the data in a compressed format in a persistent memory buffer on the RAID controller module. You can retrieve the data from the debug log using the save IOCLog command. The RAID controller module returns an error for these conditions:

    The RAID controller module platform and HIC do not support an IOC dump.

    The specified RAID controller module has an outstanding IOC dump and the overwrite parameter is false.

    The specified controller identifier or channel identifier are out of the valid range

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