VMware VCENTER APPLICATION DISCOVERY MANAGER 6.1 - REPOSITORY Manuel d'utilisateur Page 215
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OneCommand™ Manager Application P007997-01A Rev. B
14. Troubleshooting
Emulex Driver for Linux and OneCommand Manager Application Situations
215
Under certain conditions of an I/O load, some
targets cannot retire an I/O issued by a Linux
initiator within the default timeout of 30
seconds given by the SCSI midlayer. If the
situation is not corrected, the
initiator-to-target condition deteriorates into
abort/recovery storms leading to I/O failures
in the block layer. These types of failures are
preceded by a SCSI IO error of hex 6000000.
Emulex provides a script which addresses this issue. To access the
set_target_timeout.sh script, click
http://www.emulex.com/files/downloads/linux/tools.html, then
click the link to the appropriate driver, and click the Linux tools
link.
LPFC driver fails to recognize an adapter and
logs “unknown IOCB” messages in the system
log during driver load. The adapter is running
outdated firmware.
Update adapter firmware to minimum supported revision listed in
installation guide (or newer).
rmmod of LPFC driver hangs and module
reference count is 0.
Due to a small race condition in the kernel it is possible for an
rmmod command to hang. Issue the rmmod -w command. If this
does not help, reboot the computer.
System panics when booted with a failed
adapter installed.
Remove the failed adapter and reboot.
rmmod fails to unload driver due to device or
resource busy. This message occurs when you
attempt to remove the driver without first
stopping the OneCommand Manager
application, when the OneCommand Manager
application is installed and running or when FC
disks connected to a LightPulse adapter are
mounted.
Stop the OneCommand Manager application before attempting to
unload the driver. The script is located in the
/usr/sbin/ocmanager directory.
Type:
./stop_ocmanager
Unmount any disks connected to the adapter.
Unload the driver.
Type:
rmmod lpfc
Driver install fails. The lpfc-install script
fails to install the driver.
The install script may fail for the following reasons:
• A previous version of the driver is installed. Run the
/usr/src/lpfc/lpfc-install --uninstall script and then try to
install the driver.
• The current driver is already installed.
• The kernel source does not match the standard kernel name or
you are running a custom kernel.
“No module lpfc found for kernel” error
message. When updating the kernel, rpm
generates the following error: “No module lpfc
found for kernel KERNELVERSION”.
A recently updated kernel cannot find the
ramdisk. After updating the kernel, the kernel
cannot find the ramdisk which halts or panics
the system.
The driver is not loaded after a system reboot
after updating the kernel.
These three situations may be resolved by updating the kernel.
There are two ways to install the driver into an updated kernel.
The method you use depends on whether or not you are updating
the driver.
• Update the kernel using the same version of the driver.
• Update the kernel using a new version of the driver.
See the Installation section of the driver manual for these
procedures.
Table 14-2 Emulex Driver for Linux and OneCommand Manager Application Situations (Continued)
Situation Resolution
- OneCommand™ Manager 1
- Application 1
- Version 6.1 1
- User Manual 1
- Table of Contents 3
- Table of Contents 4
- List of Figures 10
- List of Figures 11
- List of Tables 13
- 1. Introduction 14
- Compatibility 15
- Known Issues 16
- Abbreviations 16
- In Windows 18
- In Linux 20
- For RHEL 5 and RHEL 6 type: 21
- In Solaris 22
- In VMware ESX Server 24
- --maintenancemode update 25
- Web Launch Interface 26
- Installation 27
- Solaris: 28
- Linux: 28
- Web Launch Interface Only 29
- /opt/ELXocm/wsuninstall 30
- Manager Application 31
- Launch Interface 32
- Element Definitions 34
- Menu Bar 35
- Toolbar Buttons 35
- Discovery-Tree 37
- Property Tabs 38
- Status Bar 39
- Management Host 40
- 2. Run the following script: 41
- 5. Configuring Discovery 42
- Hosts File 43
- Adding a Single Host 45
- Adding a Range of Hosts 46
- Removing Hosts 48
- Adding Target Portals 52
- Removing a Target Portal 52
- Figure 5-7 iSCSI SNS Tab 53
- Logging into Targets 54
- Removing Targets 55
- Viewing Target Sessions 56
- Session Statistics Area 58
- Connection Information Area 59
- 7. Managing Hosts 61
- Function Summary Area 62
- Grouping Hosts 64
- Managing Host Groups 65
- Creating a Host Group 66
- Deleting a Host Group 66
- Adding a Host to a Host Group 67
- Restoring a Host Group 67
- Restoring all Host Groups 67
- Searching for Hosts 68
- Using CIM 69
- Viewing FC Port Information 71
- Viewing FCoE Port Information 73
- Figure 8-4 Statistics Tab 76
- Firmware Area 83
- WWN Management Area 84
- Mapping Information Area 87
- /usr/sbin/lpfc/lun_scan all 88
- LUN CapacityArea 89
- LUN Masking Area 89
- Current Settings Area 90
- Current Mappings Area 90
- Display Mode Radio Buttons 90
- Target Mapping Buttons 92
- Figure 8-14 LUN Masking Tab 93
- Changing Automapping Settings 95
- Adding a Persistent Binding 95
- Figure 8-18 Maintenance Tab 99
- Creating Virtual Ports 101
- 5x:xx:xx:xx:xx:xx:xx:xx 102
- 10:00:xx:xx:xx:xx:xx:xx 102
- 2x:xx:xx:xx:xx:xx:xx:xx 102
- 3x:xx:xx:xx:xx:xx:xx:xx 102
- Deleting Virtual Ports 103
- Figure 8-22 Virtual Port Tab 104
- Figure 8-24 Reset Warning 107
- Activation Requirements 108
- Setting Driver Parameters 110
- Resetting All Default Values 112
- Parameter Value 112
- DCB Settings Area 118
- CIN Settings Area 119
- DCB Tab Field Definitions 120
- Viewing iSCSI VPD Information 126
- Viewing iSCSI Statistics 127
- Viewing iSCSI LUN Information 131
- Viewing iSCSI PCI Registers 133
- DCBX Settings Area 136
- LLDP Settings Area 137
- PFC Priorities Area 137
- ETS Priority Groups Area 137
- Advanced TCP/IP Configuration 140
- Initiator Login Options Area 142
- Authentication Area 142
- Viewing NIC Port Information 144
- Viewing NIC VPD Information 146
- VPD Table Definitions 147
- Base Host Operating System 153
- Guest Host Information Area 154
- Operating System 155
- OneConnect Adapters 156
- Viewing ASIC Information 158
- Personality Area 160
- License Features Area 160
- Showing Licenses 162
- Installing Licenses 163
- Boot Code Versions Area 166
- PHY Data Field Definitions 169
- Error Rates Area 170
- Counters Area 170
- Module Attributes Area 171
- Diagnostic Data Area 172
- Linux Considerations 173
- Enabling Authentication 173
- DHCHAP Tab 175
- Changing Your Password 177
- 10. Updating Adapter Firmware 178
- Boot Types 183
- Boot Device Parameters 184
- 100 ms 191
- 200 ms 191
- 12. Exporting SAN Information 193
- 13. Diagnostics 194
- Information 195
- Viewing Flash Contents 195
- Viewing Overlay Details 196
- Viewing the PCI Registers 196
- Running a Quick Test 196
- Using Beaconing 197
- Creating Diagnostic Dumps 198
- LightPulse FC HBA Diagnostics 199
- Running Loopback Tests 200
- Loopback Test Combinations 201
- Saving the Log File 203
- OneConnect Diagnostics 204
- FCoE End to End Echo Test 206
- Error Action 206
- Test Cycles 206
- Test Pattern 206
- Test Status 206
- 14. Troubleshooting 211
- Situation Resolution 212
- Application Situations 214
- ./stop_ocmanager 215
- Situations 219
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