Hp EVA Array iSCSI Connectivity Option Manual de usuario Pagina 90
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Configuring TCP/
IP services
Before you star
t the iSCSI Initiator, TCP/IP must be properly configured and enabled. The initiator will
only function w
ith the TCP/IP stack provided by HP TCP /I P Services for OpenVMS. Only the basic
TCP/IP core functionality needs to be configured. N ote that particular attention should be paid to the
system’s hostname , w hich is a defining element in the iSCSI Initiator name (a unique name assigned
to each host running the iSCSI Initiator software). TCP/IP must be running and the hostname must be
set before the iSCSI Initiator is loaded.
Configuring VL ANs
While not mandator y, if the initiator will be operating on a shared network (a network not dedicated
solely to storage) , it is suggested that storage traffic be isolated to a dedicated Virtual LAN (VLAN).
The VLAN will logically isolate storage trafficintoitsownsubnet.
In order to configure and use a VLAN, the hosts, network switches, and targets must all support IEEE
802.1Q. For information on confi gu ring VLANs on the OpenVMS hosts, see the HP OpenVMS Version
8.3 New Features and Documentation Overview and the HP OpenVMS System Management Utilities
Refer ence Manual. Forinformationonconfiguring VLANs on the network switches, see your switch
manufacturer’s documentation. VLAN configuration on the mpx100/100b targets will be performed
during their installation and configuration (see section Installation and maintenance, page 55.)
Enabling Ethernet jumbo frames
If Ethernet jumbo frames are to be used for iSCSI traffic, they must be enabled on the initiators (OpenVMS
hosts),
network switches, and targets. To enable jumbo frames system-wide on an OpenVMS host node
using t
he LAN_FLAGS system parameter, see the HP OpenVMS System Manag em ent Utilities Reference
Manual
. To enable jumbo frames on a per-device basis, see the HP OpenVMS System Manager’s
Manual.
Configuring target discovery
The OpenVMS Software-Based iSCSI Initiator supports two target discovery mechanisms – ma nual and
iSNS.Atleastoneofthesemethodsmustbeconfigured on each iSCSI-enabled OpenVMS host:
• Manual target discovery
With manual target discovery, the initiator is supplied with a list of IP addresses for each iSCSI target
port. Each mpx100 has two iSCSI target ports. (The management por t is not an iSCSI target port.) An
initiator using this discovery method will p eriodically poll each target port in its manual discovery list
to gather a list of accessible storage devices.
1. To create a manual target list, copy the file
SYS$COMMON:[SYSMGR]ISCSI$MANUAL_TARGETS.TEMPLATE
to
SYS$COMMON:[SYSMGR]ISCSI$MANUAL_TARGETS.DAT
The directory SYS$SPECIFIC:[SYSMGR] can b e used if the file is to be node-specificrather
than cluster-wide.
2. Edit the new file and add a list of the IP names or addresses of the iSCSI target ports tha t should
be probed for available storage devices. The header included in this file defines the proper
format for these addresses. The m anual target list is automatically loaded when the iSCSI Initiator
is star ted. By default, changes to this file will not take effect until the system i s rebooted or until
the initiator is stopped and restarted.
3. To manually force the initiator to recognize additions to the manual target list while the initiator is
running, issue the following command:
$ mcr iscsi$control_program manual
Target por ts that have been added to this file since the initiator was started will be added to the
list of target ports that are periodically scanned by the initiator. Note that target ports that have
90
Setting up the iSCSI Initiator and storage
- HP StorageWorks 1
- Contents 3
- About t his guide 17
- Document conven 18
- Rack stability 18
- HP technical suppor t 19
- Subscription service 19
- Other HP websites 19
- About this guide 20
- 1OverviewoftheEVAand 21
- Storage System 22
- Hardware support 25
- Software support requirements 26
- Secur ity 28
- Business C opy 28
- 2Configuration rules and 29
- Operating systems supported 30
- Initiator rules 31
- Windows iSCSI In 32
- OpenVMS hardware requirements 33
- Supported featu 36
- HP Command View E 37
- Supported IP network adapters 37
- IP network requirem ents 38
- Adds a second mpx100 40
- Field direct con 42
- Rack mounting the mpx100/100b 43
- Starting the mp 45
- StorageWorks Command View EVA 45
- Figure 12 H 47
- 8. Enter the I 47
- 4Configurin g the mpx 100/100b 49
- Power LED (green) 50
- Heartbeat LED (g reen) 50
- System Fault LED (amber) 50
- Maintenance button 51
- FC ports 52
- Transceivers 53
- Management Eth 54
- Serial port 54
- Installation and maintenance 55
- Setting the server IP address 56
- Configuring the mpx100/100b 58
- Configuring the 60
- (optional) 60
- Configuring the mpx100/100 b 64
- (single-path 68
- Figure 25 Discover targets 69
- (Figure 26) 69
- Assigning device names 79
- Target bindings 80
- Unmounting file systems 81
- -i iscsi 83
- Initiator using the CLI 84
- Accessing iSCSI disks 85
- Configuring TCP/ 90
- IP services 90
- Configuring VL ANs 90
- Configuring target discovery 90
- Starting th e iSCSI Initiator 92
- Stopping the iSCSI Initiator 92
- Overview 95
- The mpx100/100b perspective 96
- 50:05:08:b4:01:01:f6:78 97
- 50:05:08:b4:01:01:f6:7c 97
- Figure 49 Add Features page 101
- Microsoft MPIO 107
- (see Figure 62) 111
- Managing multipathing 113
- MPxIO overview 116
- Setting configu 117
- Verifying confi 119
- Verifying that a 120
- EVA iSCSI Connectivity 121
- Option release notes 121
- Verify mpath-s 122
- Displaying path information 124
- Manual path switching 125
- Disk Arrays 126
- HPDM Multipath restrictions 127
- 7UsingHPCommandViewEVAto 129
- View EVA 131
- Command View EVA 131
- 8 iSCSI Boot from SAN 133
- HP iSCSI 133
- Boot for Wi 133
- QLogic iSCSI Host Bus adapter 134
- QLogic BIOS Readme 135
- 3. Shut down the host 136
- Initiator Upgrade License 137
- Installing t 138
- Upgrade Lic 138
- A Command line interface 141
- Admin command 142
- Beacon command 143
- Date command 143
- Clear command 144
- FRU command 144
- Help command 145
- History comman 147
- Image command 147
- Initiator command 147
- Logout command 148
- LUNmask command 148
- Password command 150
- Ping command 151
- Quit command 151
- Reboot comm and 151
- Reset command 152
- Save command 152
- Set command 152
- Set CHAP comma 153
- Set FC command 153
- Set Features command 154
- Set iSCSI command 154
- Set iSNS command 155
- Set MGMT command 156
- Set NTP command 156
- Set Properties 157
- Set SNMP command 157
- Set System command 158
- Set VLAN comm 158
- Show command 158
- Show Chap command 159
- Show Features command 160
- Show Logs Command 160
- Show LUNinfo 160
- Show Perf command 160
- Show Properties command 161
- Show System command 161
- Show MGMT comma 162
- Show iSCSI command 162
- Show FC command 162
- Show Initiators command 163
- Show iSNS command 164
- Show LUNs command 164
- Show LUN Mask command 165
- Show NTP command 166
- Show SNMP comma 167
- Show Stats command 168
- Show Targets command 171
- Show VLAN comma 172
- Target command 172
- Chassis diag 173
- Power-on self-t 174
- Initiator 175
- Troubleshoo 176
- HP Command View EVA refresh 177
- CLogdata 179
- Fibre Channel driver 180
- Err or log messag 181
- ID Log message Mes 182
- Description 182
- User modules 186
- Fatal log messages 187
- FC driver 189
- Protocol 191
- D Simple Net work Management 191
- Management Information Base 192
- Network port table 193
- FC port table information 195
- Sensor table 197
- Notifications 199
- E Setting up a uthen tication 203
- Setting up authentication 204
- Enabling singl 205
- Enabling bi 209
- F S aving an d restorin g the 213
- G Regul atory compliance and 217
- Regulatory comp 218
- Laser device 218
- European Union notice 219
- BSMI notice 219
- Japanese notice 219
- Batter y repl 220
- Power cords 220
- Japanese power cord statement 221
- Glossary 223
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