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HP Surestore Disk Array 12h System Administrator's Guide for HP-UX, MPE, and W - Page 159

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MPE Using the ARM Command Line Utilities for MPE Viewing the Disk Array General Configuration Settings Parameter Default Setting Description Maximum Queue Full Threshold 1952 Specifies the maximum supported value for the Queue Full Threshold parameter. Attempts to set the QFT parameter to values higher than the MQFT will fail with CHECK CONDITION status and ILLEGAL REQUEST, INVALID FIELD IN PARAMETER LIST sense indications. Simplified Resiliency Setting Normal Determines the values of the following eight parameters. This field regulates the mode of data resiliency that the disk array will operate in. The "Normal" mode is set at the factory when dual controllers are ordered with the array. Single Controller Warning ENABLED Indicates whether the disk array should assert a warning when only one controller is present. When enabled, the disk array will assert a Single Controller Warning when there are not two controllers present in the array disk array. When disabled, no Single Controller Warning will be indicated. Lock Write Cache On TRUE Controls the modification of the Write Cache setting. When LCWO is set to true, then the host cannot change the Write Cache setting. When LWCO is false, the host will be able to change Write Cache setting. Disable NVRAM on WCE False FALSE Enables the disk array response to the Write Cache setting. If false, NVRAM use does not depend on the Write Cache setting, and will be enabled if no other condition inhibits it. If true, then NVRAM is disabled when Write Cache is disabled Disable NVRAM with One Ctrlr TRUE Couples the use of NVRAM to the presence of an operational dual controller. If true and no operational dual controller is present, then NVRAM use is disabled. Otherwise NVRAM use does not depend on the presence of the second controller, and will be enabled if no other condition inhibits it. Disable NVRAM on UPS absent FALSE Couples use of NVRAM to the presence of an operational UPS or BBU. At the time of printing, this field is reserved for future functionality with UPS and is disabled in all resiliency modes. 159

Section	Page
Table of Contents	5
Managing the HP SureStore E Disk Array 12H on HP-UX	13
Disk Array Management Tools	14
Which Tools to Use for Each Task	15
Installing the Disk Array Management Software	16
Tips for Configuring the Disk Array On HP-UX	17
Using the HP-UX System Administration Manager	19
Selecting Hardware Paths on HP-UX 10.20	20
Configuring a New Disk Array	23
Checking Disk Array Status	24
Changing Disk Array Configuration Settings	24
Managing LUNs (Logical Drives)	25
Adding a Disk	28
Rebuilding the Disk Array	31
Switching Primary Controllers	32
Using the ARM Command Line Utilities for HP-UX	33
Information in man pages	33
Command Syntax Conventions	34
The ARMServer Process	34
The Array Monitor Daemon (arraymond)	35
Selecting a Disk Array to Manage	36
Configuring a New Disk Array	37
Checking Disk Array Status	39
Displaying Disk Array Serial Numbers	40
Changing Disk Array Configuration Settings	40
Managing LUNs (Logical Drives)	42
Adding a Disk	44
Rebuilding the Disk Array	46
Analyzing Disk Array Performance	48
Performing Disk Array Maintenance Tasks	50
Downloading Firmware	59
Recovering Data Maps	62
Viewing the Disk Array General Configuration Settings	64
Using the ARDIAG Offline Diagnostic on HP-UX	73
Operating environment	73
Definition of Terms	74
ARDIAG Operational Commands	75
ARDIAG Interface Commands	76
Operational Command Descriptions	77
Interface command descriptions	105
ODE interface	111
ARDIAG interface to ODE	113
Managing the HP SureStore E Disk Array 12H on MPE	115
Disk Array Management Tools	116
Which Tools to Use for Each Task	117
Installing the Disk Array Management Software	118
Tips for Configuring the Disk Array On MPE	119
Configuring AutoRAID SCSI LUNs for MPE/iX	121
Using the ARM Command Line Utilities for MPE	125
Setting Up MPE POSIX Shell	125
Information in man pages	126
Command Syntax Conventions	126
The ARMServer Process	127
Selecting a Disk Array to Manage	128
Configuring a New Disk Array	129
Checking Disk Array Status	131
Displaying Disk Array Serial Numbers	132
Changing Disk Array Configuration Settings	132
Managing LUNs (Logical Drives)	134
Adding a Disk	136
Rebuilding the Disk Array	138
Analyzing Disk Array Performance	140
Performing Disk Array Maintenance Tasks	142
Downloading Firmware	151
Recovering Data Maps	153
Viewing the Disk Array General Configuration Settings	155
Using the ARDIAG Offline Diagnostic on MPE	165
Operating environment	165
Definition of Terms	166
ARDIAG Operational Commands	167
ARDIAG Interface Commands	168
Operational Command Descriptions	169
Interface command descriptions	197
ODE interface	203
ARDIAG interface to ODE	205
Managing the HP SureStore E Disk Array 12H on Windows NT	207
AutoRAID Manager Components	208
HP OpenView Integration	209
System Requirements	210
Installing AutoRAID Manager Software	211
Setting Up AutoRAID Manager for Windows NT	214
DiscoveringDisk Arrays	219
Managing Disk Arrays on a Remote Host	219
Editing the Disk Array List	220
Solving Common Installation Problems	220
Using AutoRAID Manager for Windows NT	223
Online Help	223
Selecting a Disk Array	223
Configuring a New Disk Array	224
Checking Disk Array Status	224
Changing Disk Array Configuration Settings	225
Managing Logical Drives	226
Adding a Disk	228
Rebuilding the Disk Array	230
Analyzing Disk Array Performance	232
Performing Disk Array Maintenance Tasks	234
Downloading Controller Firmware	239
Using the ARM Command Line Utilities for Windows NT	241
Online Help	241
Command Syntax Conventions	242
Selecting a Disk Array to Manage	242
Configuring a New Disk Array	243
Checking Disk Array Status	244
Displaying Disk Array Serial Numbers	245
Changing Disk Array Configuration Settings	246
Managing Logical Drives	247
Adding a Disk	249
Rebuilding the Disk Array	251
Analyzing Disk Array Performance	253
Performing Disk Array Maintenance Tasks	254
Downloading Firmware	260

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Using the ARM Command Line Utilities for MPE

Viewing the Disk Array General Configuration Settings

159

MPE

Parameter

Default

Setting

Description

Maximum Queue Full

Threshold

1952

Specifies the maximum supported value for the Queue

Full Threshold parameter. Attempts to set the QFT

parameter to values higher than the MQFT will fail with

CHECK CONDITION status and ILLEGAL REQUEST,

INVALID FIELD IN PARAMETER LIST sense indications.

Simplified Resiliency

Setting

Normal

Determines the values of the following eight parameters.

This field regulates the mode of data resiliency that the

disk array will operate in. The “Normal” mode is set at the

factory when dual controllers are ordered with the array.

Single Controller

Warning

ENABLED Indicates whether the disk array should assert a warning

when only one controller is present. When enabled, the

disk array will assert a Single Controller Warning when

there are not two controllers present in the array disk

array. When disabled, no Single Controller Warning will

be indicated.

Lock Write Cache On

TRUE

Controls the modification of the Write Cache setting.

When LCWO is set to true, then the host cannot change

the Write Cache setting. When LWCO is false, the host

will be able to change Write Cache setting.

Disable NVRAM on

WCE False

FALSE

Enables the disk array response to the Write Cache

setting. If false, NVRAM use does not depend on the

Write Cache setting, and will be enabled if no other

condition inhibits it. If true, then NVRAM is disabled when

Write Cache is disabled

Disable NVRAM with

One Ctrlr

TRUE

Couples the use of NVRAM to the presence of an

operational dual controller. If true and no operational dual

controller is present, then NVRAM use is disabled.

Otherwise NVRAM use does not depend on the presence

of the second controller, and will be enabled if no other

condition inhibits it.

Disable NVRAM on

UPS absent

FALSE

Couples use of NVRAM to the presence of an operational

UPS or BBU. At the time of printing, this field is reserved

for future functionality with UPS and is disabled in all

resiliency modes.