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HP EVA P6550 HP P6300/P6500 EVA User Guide (5697-2486, September 2013) - Page 310

Vraid6, World Wide Name, write back caching

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Vraid6 Offers the features of Vraid5 while providing more protection for an additional drive failure, but uses additional physical disk space. W World Wide Name write back caching write caching WWN See WWN. A controller process that notifies the host that the write operation is complete when the data is written to the cache. This occurs before transferring the data to the disk. Write back caching improves response time since the write operation completes as soon as the data reaches the cache. As soon as possible after caching the data, the controller then writes the data to the disk drives. A process when the host sends a write request to the controller, and the controller places the data in the controller cache module. As soon as possible, the controller transfers the data to the physical disk drives. World Wide Name. A unique identifier assigned to a Fibre Channel device. 310 Glossary

Section	Page
HP P63x0/P65x0 Enterprise Virtual Array User Guide	1
Contents	3
1 P63x0/P65x0 EVA hardware	13
SAS disk enclosures	13
Small Form Factor disk enclosure chassis	13
Front view	13
Rear view	14
Drive bay numbering	14
Large Form Factor disk enclosure chassis	14
Front view	14
Rear view	15
Drive bay numbering	15
Disk drives	15
Disk drive LEDs	15
Disk drive blanks	16
Front status and UID module	16
Front UID module LEDs	16
Unit identification (UID) button	17
Power supply module	17
Power supply LED	17
Fan module	17
Fan module LED	18
I/O module	18
I/O module LEDs	19
Rear power and UID module	19
Rear power and UID module LEDs	20
Unit identification (UID) button	21
Power on/standby button	21
SAS cables	21
Controller enclosure	21
Controller status indicators	24
Controller status LEDs	25
Power supply module	26
Battery module	27
Fan module	27
Management module	28
iSCSI and iSCSI/FCoE recessed maintenance button	28
Reset the iSCSI or iSCSI/FCoE module and boot the primary image	29
Reset iSCSI or iSCSI/FCoE MGMT port IP address	29
Enable iSCSI or iSCSI/FCoE MGMT port DHCP address	29
Reset the iSCSI or iSCSI/FCoE module to factory defaults	29
HSV controller cabling	29
Storage system racks	30
Rack configurations	30
Power distribution units	31
PDU 1	31
PDU 2	31
PDMs	32
Rack AC power distribution	33
Moving and stabilizing a rack	33
2 P63x0/P65x0 EVA operation	36
Best practices	36
Operating tips and information	36
Reserving adequate free space	36
Using SAS-midline disk drives	36
Failback preference setting for HSV controllers	36
Changing virtual disk failover/failback setting	38
Implicit LUN transition	38
Recovery CD	39
Adding disk drives to the storage system	39
Handling fiber optic cables	39
Storage system shutdown and startup	40
Powering on disk enclosures	40
Powering off disk enclosures	41
Shutting down the storage system from HP P6000 Command View	41
Shutting down the storage system from the array controller	41
Starting the storage system	41
Restarting the iSCSI or iSCSI/FCoE module	42
Using the management module	43
Connecting to the management module	43
Connecting through a public network	44
Connecting through a private network	45
Accessing HP P6000 Command View on the management module	45
Changing the host port default operating mode	45
Saving storage system configuration data	46
Saving or restoring the iSCSI or iSCSI/FCoE module configuration	48
3 Configuring application servers	50
Overview	50
Clustering	50
Multipathing	50
Installing Fibre Channel adapters	50
Testing connections to the array	51
Adding hosts	51
Creating and presenting virtual disks	52
Verifying virtual disk access from the host	52
Configuring virtual disks from the host	52
HP-UX	52
Scanning the bus	52
Creating volume groups on a virtual disk using vgcreate	53
IBM AIX	54
Accessing IBM AIX utilities	54
Adding hosts	54
Creating and presenting virtual disks	54
Verifying virtual disks from the host	54
Linux	55
Driver failover mode	55
Installing a QLogic driver	55
Upgrading Linux components	56
Upgrading qla2x00 RPMs	56
Detecting third-party storage	56
Compiling the driver for multiple kernels	57
Uninstalling the Linux components	57
Using the source RPM	57
HBA drivers	58
Verifying virtual disks from the host	58
OpenVMS	58
Updating the AlphaServer console code, Integrity Server console code, and Fibre Channel FCA firmware	58
Verifying the Fibre Channel adapter software installation	58
Console LUN ID and OS unit ID	59
Adding OpenVMS hosts	59
Scanning the bus	60
Configuring virtual disks from the OpenVMS host	61
Setting preferred paths	61
Oracle Solaris	61
Loading the operating system and software	62
Configuring FCAs with the Oracle SAN driver stack	62
Configuring Emulex FCAs with the lpfc driver	62
Configuring QLogic FCAs with the qla2300 driver	64
Fabric setup and zoning	65
Oracle StorEdge Traffic Manager (MPxIO)/Oracle Storage Multipathing	65
Configuring with Veritas Volume Manager	66
Configuring virtual disks from the host	67
Verifying virtual disks from the host	68
Labeling and partitioning the devices	69
VMware	70
Configuring the EVA with VMware host servers	70
Configuring an ESX server	70
Setting the multipathing policy	71
Verifying virtual disks from the host	73
HP P6000 EVA Software Plug-in for VMware VAAI	73
System prerequisites	73
Enabling vSphere Storage API for Array Integration (VAAI)	73
Installing the VAAI Plug-in	74
Installation overview	74
Installing the HP EVA VAAI Plug-in using ESX host console utilities	75
Installing the HP VAAI Plug-in using vCLI/vMA	76
Installing the VAAI Plug-in using VUM	78
Importing the VAAI Plug-in to the vCenter Server	78
Installing the VAAI Plug-in on each ESX/ESXi host	79
Verifying VAAI status	80
Uninstalling the VAAI Plug-in	80
Uninstalling VAAI Plug-in using the automated script (hpeva.pl)	80
Uninstalling VAAI Plug-in using vCLI/vMA (vihostupdate)	80
Uninstalling VAAI Plug-in using VMware native tools (esxupdate)	81
4 Replacing array components	82
Customer self repair (CSR)	82
Parts-only warranty service	82
Best practices for replacing hardware components	82
Component replacement videos	82
Verifying component failure	82
Identifying the spare part	82
Replaceable parts	83
Replacing the failed component	85
Replacement instructions	85
5 iSCSI or iSCSI/FCoE configuration rules and guidelines	87
iSCSI or iSCSI/FCoE module rules and supported maximums	87
HP P6000 Command View and iSCSI or iSCSI/FCoE module management rules and guidelines	87
HP P63x0/P65x0 EVA storage system software	87
Fibre Channel over Ethernet switch and fabric support	87
Operating system and multipath software support	90
iSCSI initiator rules, guidelines, and support	91
General iSCSI initiator rules and guidelines	91
Apple Mac OS X iSCSI initiator rules and guidelines	91
Microsoft Windows iSCSI Initiator rules and guidelines	91
Linux iSCSI Initiator rules and guidelines	92
Solaris iSCSI Initiator rules and guidelines	92
VMware iSCSI Initiator rules and guidelines	93
Supported IP network adapters	93
IP network requirements	93
Set up the iSCSI Initiator	94
Windows	94
Multipathing	99
Installing the MPIO feature for Windows Server 2012	100
Installing the MPIO feature for Windows Server 2008	103
Installing the MPIO feature for Windows Server 2003	104
About Microsoft Windows Server 2003 scalable networking pack	105
SNP setup with HP NC 3xxx GbE multifunction adapter	105
iSCSI Initiator version 3.10 setup for Apple Mac OS X (single-path)	105
Set up the iSCSI Initiator for Apple Mac OS X	106
Storage setup for Apple Mac OS X	109
iSCSI Initiator setup for Linux	109
Installing and configuring the SUSE Linux Enterprise 10 iSCSI driver	109
Installing and configuring for Red Hat 5	111
Installing and configuring for Red Hat 4 and SUSE 9	112
Installing the initiator for Red Hat 3 and SUSE 8	112
Assigning device names	112
Target bindings	113
Mounting file systems	114
Unmounting file systems	114
Presenting EVA storage for Linux	115
Setting up the iSCSI Initiator for VMware	115
Configuring multipath with the Solaris 10 iSCSI Initiator	117
MPxIO overview	118
Preparing the host system	118
Enabling MPxIO for HP P63x0/P65x0 EVA	118
Edit the scsi_vhci.conf file	118
Edit the sgen.conf file	119
Create an sgen driver alias	120
Enable iSCSI target discovery	120
Modify target parameter MaxRecvDataSegLen	121
Monitor Multipath devices	122
Managing and Troubleshooting Solaris iSCSI Multipath devices	123
Configuring Microsoft MPIO iSCSI devices	123
Load balancing features of Microsoft MPIO for iSCSI	124
Microsoft MPIO with QLogic iSCSI HBA	125
Installing the QLogic iSCSI HBA	125
Installing the Microsoft iSCSI Initiator services and MPIO	125
Configuring the QLogic iSCSI HBA	125
Adding targets to QLogic iSCSI Initiator	126
Presenting LUNs to the QLogic iSCSI Initiator	127
Installing the HP MPIO Full Featured DSM for EVA	128
Microsoft Windows Cluster support	129
Microsoft Cluster Server for Windows 2003	129
Requirements	129
Setting the Persistent Reservation registry key	129
Microsoft Cluster Server for Windows 2008	130
Requirements	130
Setting up authentication	131
CHAP restrictions	131
Microsoft Initiator CHAP secret restrictions	131
Linux version	132
ATTO Macintosh Chap restrictions	132
Recommended CHAP policies	132
iSCSI session types	132
The iSCSI or iSCSI/FCoE controller CHAP modes	132
Enabling single–direction CHAP during discovery and normal session	132
Enabling CHAP for the iSCSI or iSCSI/FCoE module-discovered iSCSI initiator entry	134
Enable CHAP for the Microsoft iSCSI Initiator	135
Enable CHAP for the open-iscsi iSCSI Initiator	135
Enabling single–direction CHAP during discovery and bi-directional CHAP during normal session	136
Enabling bi-directional CHAP during discovery and single–direction CHAP during normal session	138
Enabling bi-directional CHAP during discovery and bi-directional CHAP during normal session	140
Enable CHAP for the open-iscsi iSCSI Initiator	142
iSCSI and FCoE thin provision handling	144
6 Single path implementation	149
Installation requirements	149
Recommended mitigations	149
Supported configurations	150
General configuration components	150
Connecting a single path HBA server to a switch in a fabric zone	150
HP-UX configuration	152
Requirements	152
HBA configuration	152
Risks	152
Limitations	152
Windows Server 2003 (32-bit) ,Windows Server 2008 (32–bit) , and Windows Server 2012 (32–bit) configurations	153
Requirements	153
HBA configuration	153
Risks	153
Limitations	154
Windows Server 2003 (64-bit) and Windows Server 2008 (64–bit) configurations	154
Requirements	154
HBA configuration	154
Risks	155
Limitations	155
Oracle Solaris configuration	155
Requirements	155
HBA configuration	156
Risks	156
Limitations	156
OpenVMS configuration	157
Requirements	157
HBA configuration	157
Risks	157
Limitations	158
Xen configuration	158
Requirements	158
HBA configuration	158
Risks	159
Limitations	159
Linux (32-bit) configuration	159
Requirements	159
HBA configuration	160
Risks	160
Limitations	160
Linux (Itanium) configuration	160
Requirements	160
HBA configuration	161
Risks	161
Limitations	161
IBM AIX configuration	162
Requirements	162
HBA configuration	162
Risks	162
Limitations	162
VMware configuration	163
Requirements	163
HBA configuration	163
Risks	163
Limitations	164
Mac OS configuration	164
Failure scenarios	164
HP-UX	164
Windows Servers	165
Oracle Solaris	165
OpenVMS	165
Linux	166
IBM AIX	167
VMware	167
Mac OS	168
7 Troubleshooting	169
If the disk enclosure does not initialize	169
Diagnostic steps	169
Is the enclosure front fault LED amber?	169
Is the enclosure rear fault LED amber?	169
Is the power on/standby button LED amber?	170
Is the power supply LED amber?	170
Is the I/O module fault LED amber?	170
Is the fan LED amber?	171
Effects of a disk drive failure	171
Compromised fault tolerance	171
Factors to consider before replacing disk drives	171
Automatic data recovery (rebuild)	172
Time required for a rebuild	172
Failure of another drive during rebuild	173
Handling disk drive failures	173
iSCSI module diagnostics and troubleshooting	173
iSCSI and iSCSI/FCoE diagnostics	173
Locate the iSCSI or iSCSI/FCoE module	174
iSCSI or iSCSI/FCoE module's log data	175
iSCSI or iSCSI/FCoE module statistics	175
Troubleshoot using HP P6000 Command View	175
Issues and solutions	175
Issue: HP P6000 Command View does not discover the iSCSI or iSCSI/FCoE modules	175
Issue: Initiator cannot login to iSCSI or iSCSI/FCoE module target	176
Issue: Initiator logs in to iSCSI or iSCSI/FCoE controller target but EVA assigned LUNs are not appearing on the initiator	176
Issue: EVA presented virtual disk is not seen by the initiator	176
Issue: Windows initiators may display Reconnecting if NIC MTU changes after connection has logged in.	177
Issue: When communication between HP P6000 Command View and iSCSI or iSCSI/FCoE module is down, use following options:	177
HP P6000 Command View issues and solutions	178
8 Error messages	180
9 Support and other resources	197
Contacting HP	197
HP technical support	197
Subscription service	197
Documentation feedback	197
Related documentation	197
Documents	197
Websites	197
Typographic conventions	198
Customer self repair	198
Rack stability	199
A Regulatory compliance notices	200
Regulatory compliance identification numbers	200
Federal Communications Commission notice	200
FCC rating label	200
Class A equipment	200
Class B equipment	200
Declaration of Conformity for products marked with the FCC logo, United States only	201
Modification	201
Cables	201
Canadian notice (Avis Canadien)	201
Class A equipment	201
Class B equipment	201
European Union notice	201
Japanese notices	202
Japanese VCCI-A notice	202
Japanese VCCI-B notice	202
Japanese VCCI marking	202
Japanese power cord statement	202
Korean notices	202
Class A equipment	202
Class B equipment	203
Taiwanese notices	203
BSMI Class A notice	203
Taiwan battery recycle statement	203
Turkish recycling notice	203
Vietnamese Information Technology and Communications compliance marking	203
Laser compliance notices	204
English laser notice	204
Dutch laser notice	204
French laser notice	204
German laser notice	205
Italian laser notice	205
Japanese laser notice	205
Spanish laser notice	206
Recycling notices	206
English recycling notice	206
Bulgarian recycling notice	206
Czech recycling notice	206
Danish recycling notice	206
Dutch recycling notice	207
Estonian recycling notice	207
Finnish recycling notice	207
French recycling notice	207
German recycling notice	207
Greek recycling notice	207
Hungarian recycling notice	208
Italian recycling notice	208
Latvian recycling notice	208
Lithuanian recycling notice	208
Polish recycling notice	208
Portuguese recycling notice	209
Romanian recycling notice	209
Slovak recycling notice	209
Spanish recycling notice	209
Swedish recycling notice	209
Battery replacement notices	210
Dutch battery notice	210
French battery notice	210
German battery notice	211
Italian battery notice	211
Japanese battery notice	212
Spanish battery notice	212
B Non-standard rack specifications	213
Internal component envelope	213
EIA310-D standards	213
EVA cabinet measures and tolerances	213
Weights, dimensions and component CG measurements	214
Airflow and Recirculation	214
Component Airflow Requirements	214
Rack Airflow Requirements	214
Configuration Standards	214
UPS Selection	214
Shock and vibration specifications	215
C Command reference	217
Command syntax	217
Command line completion	217
Authority requirements	217
Commands	217
Admin	218
Beacon	218
Clear	218
Date	219
Exit	219
FRU	220
Help	220
History	222
Image	222
Initiator	223
Logout	225
Lunmask	225
Passwd	228
Ping	229
Quit	230
Reboot	230
Reset	230
Save	231
Set	231
Set alias	232
Set CHAP	233
Set FC	233
Set features	234
Set iSCSI	235
Set iSNS	236
Set Mgmt	236
Set NTP	237
Set properties	237
Set SNMP	238
Set system	239
Set VPGroups	239
Show	240
Show CHAP	242
Show FC	242
Show features	244
Show initiators	244
Show initiators LUN mask	246
Show iSCSI	247
Show iSNS	249
Show logs	249
Show LUNinfo	250
Show LUNs	251
Show lunmask	252
Show memory	252
Show mgmt	253
Show NTP	253
Show perf	254
Show presented targets	255
Show properties	258
Show SNMP	259
Show stats	259
Show system	261
Show targets	262
Show VPGroups	262
Shutdown	263
Target	263
Traceroute	264
D Using the iSCSI CLI	265
Logging on to an iSCSI or iSCSI/FCoE module	265
Understanding the guest account	265
Working with iSCSI or iSCSI/FCoE module configurations	266
Modifying a configuration	267
Saving and restoring iSCSI or iSCSI/FCoE controller configurations	267
Restoring iSCSI or iSCSI/FCoE module configuration and persistent data	267
E Simple Network Management Protocol	269
SNMP parameters	269
SNMP trap configuration parameters	269
Management Information Base	270
Network port table	270
FC port table	272
Initiator object table	273
LUN table	275
VP group table	277
Sensor table	278
Notifications	279
System information objects	280
Notification objects	280
Agent startup notification	281
Agent shutdown notification	281
Network port down notification	281

Match case Limit results 1 per page

Vraid6

Offers the features of Vraid5 while providing more protection for an additional drive failure, but

uses additional physical disk space.

World Wide Name

See

WWN

write back caching

A controller process that notifies the host that the write operation is complete when the data is

written to the cache. This occurs before transferring the data to the disk. Write back caching

improves response time since the write operation completes as soon as the data reaches the

cache. As soon as possible after caching the data, the controller then writes the data to the disk

drives.

write caching

A process when the host sends a write request to the controller, and the controller places the data

in the controller cache module. As soon as possible, the controller transfers the data to the physical

disk drives.

WWN

World Wide Name. A unique identifier assigned to a Fibre Channel device.

310

Glossary