HP ProLiant DL280 Configuring Arrays on HP Smart Array Controllers Reference G - Page 4

Contents 4

Setting up ADU Remote Service Mode

..........................................................................................................

95

Launching the utility in CLI mode

..................................................................................................................

95

Launching the utility in GUI mode

.................................................................................................................

95

Diagnostic report procedures

.......................................................................................................................

96

Viewing the diagnostic report

............................................................................................................

96

Generating the diagnostic report

.......................................................................................................

98

Identifying and viewing diagnostic report files

.....................................................................................

99

SmartSSD Wear Gauge report procedures

...................................................................................................

99

Viewing the SmartSSD Wear Gauge report

........................................................................................

99

Generating the SmartSSD Wear Gauge report

..................................................................................

100

Identifying and viewing SmartSSD Wear Gauge report files

...............................................................

101

Drive arrays and fault-tolerance methods

.....................................................................................

102

Drive arrays

.............................................................................................................................................

102

Effects of a hard drive failure on logical drives

............................................................................................

104

Fault-tolerance methods

.............................................................................................................................

105

RAID 0—No fault tolerance

.............................................................................................................

105

RAID 1 and RAID 1+0 (RAID 10)

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106

RAID 1 (ADM) and RAID 10 (ADM)

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107

RAID 5—distributed data guarding

..................................................................................................

109

RAID 6 (ADG)—Advanced Data Guarding

.......................................................................................

109

RAID 50

........................................................................................................................................

111

RAID 60

........................................................................................................................................

112

Comparing the hardware-based RAID methods

.................................................................................

112

Selecting a RAID method

.................................................................................................................

113

Alternative fault-tolerance methods

...................................................................................................

113

Diagnosing array problems

........................................................................................................

115

Diagnostic tools

.......................................................................................................................................

115

Troubleshooting resources

.........................................................................................................................

115

Acronyms and abbreviations

......................................................................................................

117

Documentation feedback

...........................................................................................................

119

Index

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120

HP ProLiant DL280 Configuring Arrays on HP Smart Array Controllers Reference G - Page 4

Drive arrays and fault-tolerance methods, Diagnosing array problems, Acronyms and abbreviations

Page 4 highlights

Section	Page
Configuring Arrays on HP Smart Array Controllers Reference Guide	1
Notice	2
Contents	3
Overview of array configuration tools	5
Utilities available for configuring an array	5
Comparison of the utilities	5
Support for standard configuration tasks	6
Support for advanced configuration tasks	6
HP Smart Array Advanced Pack	8
About SAAP	8
Required hardware	8
Option ROM Configuration for Arrays	9
About ORCA	9
HP Array Configuration Utility	10
About ACU	10
Native support for 64-bit and 32-bit operating systems	10
Accessing ACU in the offline environment	10
Launching ACU with HP Intelligent Provisioning (Gen8 or later)	11
Launching ACU during POST (Gen8 or later)	11
Launching ACU from the SmartStart CD (G7 or earlier)	11
Launching ACU from an ISO image (all generations)	11
Mounting the image on a local drive	12
Mounting the image through iLO	12
Burning the image to a CD or DVD	12
Flashing the image to a USB memory key or SD card	12
Installing the image on a PXE server	13
Prerequisites	13
Set up PXELinux	14
Configure PXELinux	14
Specify the ISO image path	14
Supported network file systems	15
Accessing ACU in the online environment	15
Launching ACU on a local server	16
Launching ACU on a local server to configure a remote server	17
Launching ACU on a remote server to configure a local server	18
Using the ACU GUI	19
Navigating the GUI	19
Configuration screen	20
Diagnostics/SmartSSD screen	22
Wizards screen	25
ACU help	28
Configuration tasks	28
Configuring a controller	30
Performing a Configuration task	30
Rapid Parity Initialization	32
Installing a license key with ACU	33
Changing the Spare Activation Mode	34
Changing the Spare Management mode	34
About HP SmartCache	35
Enable HP SmartCache	35
Working with mirrored arrays	36
Splitting a mirrored array	37
Recombining a split mirrored array	37
Creating a split mirror backup	37
Re-mirroring, rolling back, or re-activating a split mirror backup	38
Healing an array	39
Replacing an array	39
Diagnostics tasks	39
Performing a Diagnostics task	40
Wizards	41
Using Wizards	42
Using Express Configuration	44
Using the ACU CLI	45
Opening the CLI in Console mode	46
Opening the CLI in Command mode	46
CLI syntax	46
The <target> variable	47
The <command> variable	47
Querying a device	47
Hiding warning prompts	48
Keyword abbreviations	48
The show command	49
Displaying the current versions of the application layers	51
The help command	51
Typical procedures	51
Setting the boot controller	51
Setting the boot volume	52
Setting the target	52
Identifying devices	53
Deleting target devices	53
Generating a diagnostic report	53
Erasing a physical or logical drive	54
Rescanning the system	54
Entering or deleting a license key	54
Optimizing controller performance for video	55
Creating a logical drive	55
Sample scenario	56
Moving a logical drive	57
Viewing enclosure information	58
Viewing physical drives for an HBA	58
Viewing SSD physical drives	59
Viewing SSD information	59
Smart Caching in HPACUCLI	59
Rapid Parity Initialization methods	59
Assigning a chassis name to the controller	60
Managing spare drives	60
Setting the spare activation mode	60
Spare Management Mode in HPACUCLI	61
Expanding an array	61
Shrinking an array	62
Moving an array	62
Replacing an array	63
Extending a logical drive	63
Migrating a logical drive	64
Setting the preferred path mode	64
Assigning a redundant controller to a logical drive	65
Disabling a redundant controller	65
Changing the Rebuild Priority setting	65
Changing the Expand Priority setting	66
Setting the surface scan mode	66
Changing the surface scan delay time	66
Re-enabling a failed logical drive	66
Changing the controller cache ratio	67
Enabling or disabling the drive cache	67
Enabling or disabling the array accelerator	67
Enabling a script to exit on error	68
Using ACU scripting	68
Capturing a configuration	68
Using an Input script	68
Creating an ACU script file	69
Sample custom input script	69
Script file options	70
Control category	72
Action mode	72
Method mode	72
Controller category	72
Controller	73
CacheState	73
ClearConfigurationWithDataLoss	74
DriveWriteCache	74
LicenseKey, DeleteLicenseKey	74
NoBatteryWriteCache	74
PreferredPathMode	74
RaidArrayId	74
ReadCache, WriteCache	75
RebuildPriority, ExpandPriority	75
SurfaceScanDelay	75
SurfaceScanDelayExtended	75
SurfaceScanMode	75
Video performance options	75
Array category	76
Array	76
CachingArray	76
Drive	76
DriveType	77
Join	77
OnlineSpareMode	77
OnlineSpare	78
Split	78
Logical Drive category	78
ArrayAccelerator	79
LogicalDrive	79
CachingLogicalDrive	79
CachedLogicalDrive	79
NumberOfParityGroups	79
PreferredPath	80
RAID	80
Renumber	80
Repeat	81
ResourceVolumeOwner	81
Sectors	81
ShrinkSize	81
Size	81
SizeBlocks	82
StripeSize	82
StripSize	82
HBA category	83
ConnectionName	83
HBA_WW_ID	83
HostMode	83
XML support	84
XML output	84
XML input	85
XML input file DTD	86
ACU scripting warning messages	87
ACU scripting error messages	87
HP Array Diagnostics and SmartSSD Wear Gauge Utility	92
About the utility	92
Reported information	92
Installing the utility	94
Setting up ADU Remote Service Mode	95
Launching the utility in CLI mode	95
Launching the utility in GUI mode	95
Diagnostic report procedures	96
Viewing the diagnostic report	96
Generating the diagnostic report	98
Identifying and viewing diagnostic report files	99
SmartSSD Wear Gauge report procedures	99
Viewing the SmartSSD Wear Gauge report	99
Generating the SmartSSD Wear Gauge report	100
Identifying and viewing SmartSSD Wear Gauge report files	101
Drive arrays and fault-tolerance methods	102
Drive arrays	102
Effects of a hard drive failure on logical drives	104
Fault-tolerance methods	105
RAID 0—No fault tolerance	105
RAID 1 and RAID 1+0 (RAID 10)	106
RAID 1 (ADM) and RAID 10 (ADM)	107
RAID 5—distributed data guarding	109
RAID 6 (ADG)—Advanced Data Guarding	109
RAID 50	111
RAID 60	112
Comparing the hardware-based RAID methods	112
Selecting a RAID method	113
Alternative fault-tolerance methods	113
Diagnosing array problems	115
Diagnostic tools	115
Troubleshooting resources	115
Acronyms and abbreviations	117
Documentation feedback	119