National Instruments NI Real-Time Hypervisor Manuale utente

QUICK START GUIDE

NI Real-Time Hypervisor

Version 2.10

The NI Real-Time Hypervisor provides a platform you can use to develop and run LabVIEW

and LabVIEW Real-Time applications simultaneously on a single controller.

(Windows) Refer to the NI Real-Time Hypervisor for Windows section below for a summary of

your system configuration.

(Linux) Refer to the Installing the NI Real-Time Hypervisor for Linux section below for

installation instructions.

NI Real-Time Hypervisor for Windows

Your NI Real-Time Hypervisor ships pre-configured with everything you need to develop and

run LabVIEW and LabVIEW Real-Time applications simultaneously on a single controller.

NI Factory Installation Services (FIS) has equipped your system with hardware that meets the

requirements of the NI Real-Time Hypervisor. In addition, FIS has partitioned this hardware

between Windows and the LabVIEW Real-Time OS (NI ETS) according to the preferences you

specified during the ordering process and the resource partitioning requirements of the

NI Real-Time Hypervisor.

However, you can assign the resources in your system to different OSes. Refer to the Getting

Started with Your NI Real-Time Hypervisor System section for information about completing

this task.

Installing the NI Real-Time Hypervisor for Linux

You need the following items to install the NI Real-Time Hypervisor for Linux:

• A development computer with the LabVIEW Real-Time Module and Measurement and

Automation Explorer (MAX) installed

• The installation CD for a supported version of Red Hat Enterprise Linux

Note Refer to ni.com/info and enter the Info Code HV_Devices for

information about supported versions of Red Hat Enterprise Linux.

• A USB CD-ROM drive

• A USB memory drive

NI Real-Time Hypervisor 2.10 Quick Start Guide 2 ni.com

Complete the following steps to install the NI Real-Time Hypervisor for Linux.

1. Use a development computer to install LabVIEW RT and VISA Server on the NI Real-Time

Hypervisor system.

a. Power on or restart the NI Real-Time Hypervisor system.

b. Press the <Delete> key to access the BIOS setup utility.

c. Change the boot option so the NI Real-Time Hypervisor system boots into

LabVIEW RT.

d. Save the changes and restart the system.

e. Launch MAX on the development computer.

f. Expand the Remote Systems tree and locate the NI Real-Time Hypervisor system.

g. Expand the tree next to the NI Real-Time Hypervisor system.

h. Click the Software tree item and install LabVIEW RT and VISA Server on the

NI Real-Time Hypervisor system.

2. Use MAX to obtain identification information for the NI Real-Time Hypervisor controller

and chassis.

a. Expand the Devices and Interfaces tree.

b. Right-click the NI Real-Time Hypervisor controller and select its controller family in

the Identify As menu.

c. Expand the tree next to the controller.

d. Right-click the PXI chassis and select its model in the Identify As menu.

e. Connect to the NI Real-Time Hypervisor system with an FTP client.

f. Navigate to the ni-rt/system directory.

g. Copy the pxisys.ini and pxiesys.ini files to a USB drive. These files identify

your controller and chassis. Later, you will copy these files to the NI Real-Time

Hypervisor system.

3. Start the Red Hat Enterprise Linux installation process.

a. Connect a USB CD-ROM drive to the NI Real-Time Hypervisor system.

b. Place the Red Hat Enterprise Linux installation CD in the drive.

c. Restart the system.

d. Press the <Delete> key to access the BIOS setup utility on your system.

e. Change the boot option so the system boots into Windows/Other OS.

f. Change the boot priority so the system boots from the CD-ROM drive.

g. Save the changes and restart the system.

h. Begin the Red Hat Enterprise Linux installation process.

©National Instruments Corporation 3 NI Real-Time Hypervisor 2.10 Quick Start Guide

4. When you reach the Partitioning Type menu, create two Linux partitions. Leave enough

free space for two more partitions, a partition at least 1 GB in size for the LabVIEW

Real-Time OS (NI ETS) and a 1 GB partition for boot information, that you will create later.

Note The free space must not be in a Logical Volume Manager (LVM).

a. Select Create Custom Layout from the hard drive menu.

b. Select New from the partition menu to create two new partitions. For example, you

could create an ext3 partition mounted at /and a swap partition.

5. After you complete the installation and the system restarts, log in with root privileges.

6. Connect the USB drive that contains the pxisys.ini and pxiesys.ini files to the

system to identify your controller and chassis.

7. Copy the pxisys.ini and pxiesys.ini files to the etc directory.

8. Use the fdisk utility that comes with Red Hat Enterprise Linux to partition the hard drive.

a. In the command prompt, type fdisk followed by the name of your hard drive and

press the <Enter> key. For example, if your hard drive is named /dev/sda, type fdisk

/dev/sda.

b. Press the <N> key and then the <Enter> key to create a new partition.

c. Press the <P> key and then the <Enter> key to designate the partition as a primary

partition.

d. Specify the number of an unused partition and press the <Enter> key to begin creating

the NI ETS partition. For example, if you only created two partitions during the Linux

installation process, press the <3> key.

e. Start the partition at the default cylinder.

f. Enter a size for the partition. For example, to designate 30 GB for NI ETS, type +30G.

g. Repeat steps b–g to create a 1 GB partition for boot information.

9. Change the file systems of the partitions.

a. Press the <T> key and then the <Enter> key.

b. Enter the partition number of the NI ETS partition and press the <Enter> key. For

example, if you designated partition 3 as the NI ETS partition, press the <3> key.

c. Press the <C> key and then the <Enter> key to format the NI ETS partition with the

W95 FAT32 (LBA) file system.

d. Press the <T> key and then the <Enter> key.

e. Enter the partition number of the boot partition and then press the <Enter> key.

f. Type 21 and then press the <Enter> key to identify the partition as the boot partition.

Note fdisk returns an error that says 21 is an unknown partition type. This error is

expected and does not indicate a problem.

NI Real-Time Hypervisor 2.10 Quick Start Guide 4 ni.com

g. Press the <W> key and then the <Enter> key to save these changes.

Note Linux displays an error that says it failed to re-read the partition table but will

use the new table when you reboot the system. This error is expected and does not

indicate a problem.

10. Restart the system.

11. Use the mkdosfs utility that comes with Red Hat Enterprise Linux to name the NI ETS

partition LABVIEW_RT.

a. Right-click the desktop and select Open Terminal from the shortcut menu.

b. Type mkdosfs -n LABVIEW_RT followed by the name of the hard drive and the

partition number of the NI ETS partition and then press the <Enter> key. For example,

if the NI ETS partition is the third partition of a hard drive named /dev/sda, type

mkdosfs -n LABVIEW_RT /dev/sda3.

12. Upgrade your system to use GRUB2, if necessary. To determine what version of GRUB is

running on your system, enter the command grub-install --version. If the version

is 1.98 or later, your system is running GRUB2.

Caution If you do not follow the correct installation procedures, upgrading to

GRUB2 can damage your system. Contact National Instruments if you require

assistance with this process.

13. Specify the nomodeset flag to avoid screen resolution issues by completing the following

steps:

a. If necessary, enter the command mkdir /usr/local/etc/default to create the

specified directory.

b. If necessary, create the/usr/local/etc/default/grub file.

c. Open the /usr/local/etc/default/grub file for editing and add the line

GRUB_CMDLINE_LINUX=nomodeset to the file.

d. Enter the command grub-mkconfig -o /boot/grub/grub.cfg to regenerate

grub.cfg.

14. Install the kernel-rt-3.2.23-rt37.56.el6rt.x86_64 and

kernel-rt-devel-3.2.23-rt37.56.el6rt.x86_64 packages.

15. Download and install the libXinerama (libXinerama.so.1) and mesa-libGL

(libGL.so.1) i686 packages using the yum package manager.

16. (Optional) If you want to use shared memory with NI Real-Time Hypervisor for Linux, you

must install the 64-bit version of LabVIEW. National Instruments recommends you install

LabVIEW (64-bit) before installing NI Real-Time Hypervisor to preserve default

installation paths.

17. Place the NI Real-Time Hypervisor installation CD in the USB CD-ROM drive and run the

NI Real-Time Hypervisor installer.

18. Right-click the desktop and select Open Terminal. Then, navigate to

/usr/local/natinst/hypervisor/ConfigurationUtility and run the

©National Instruments Corporation 5 NI Real-Time Hypervisor 2.10 Quick Start Guide

NIHypervisorManager application to launch the NI Real-Time Hypervisor Manager.

A dialog box appears and prompts you to run the setup.

19. Click the Run Setup button. The NI Real-Time Hypervisor manager runs the setup and

prompts you to restart the system.

20. Restart the system and select Linux from the boot menu.

21. Log in with root privileges.

22. Compile the virtualization drivers into the Linux kernel. Refer to

Virtualization_Drivers.pdf and to

Virtualization_Drivers_Supplement.txt, located in the

/usr/local/natinst/

hypervisor directory, for instructions to perform this task. Pay particular attention to the

supplementary text file for information about the correct commands and file paths you need

when compiling the virtualization drivers. The linux-drv-src.tgz file, which contains

the virtualization drivers, is located in the /usr/local/natinst/

hypervisor/system/drivers directory.

23. Navigate to the /usr/local/natinst/nihypshm directory and run

KernelDrv_Install.sh.

24. Refer to the Getting Started with Your NI Real-Time Hypervisor System section below for

instructions to partition your devices according to your application needs and begin

developing applications.

NI Real-Time Hypervisor 2.10 Quick Start Guide 6 ni.com

Getting Started with Your NI Real-Time Hypervisor

System

Complete the following steps to become familiar with your system’s configuration utility,

known as the NI Real-Time Hypervisor Manager, and begin developing applications.

1. Power on or restart your system.

2. Depending on your system, select Windows or Linux from the boot menu to boot into your

general-purpose OS.

3. Use the NI Real-Time Hypervisor Manager to view the devices assigned to each OS.

a. (Windows) Select Start»National Instruments»NI Real-Time

Hypervisor»NI Real-Time Hypervisor Manager to launch the NI Real-Time

Hypervisor Manager.

(Linux) Right-click the desktop and select Open Terminal. Then, navigate to

/usr/local/natinst/hypervisor/ConfigurationUtility and run the

NIHypervisorManager application to launch the NI Real-Time Hypervisor

manager.

b. Review the OS partition settings.

• The Basic tab displays each device and the OS to which each device is assigned.

• The Advanced tab displays each device, the OS to which each device is assigned,

and the PCI Interrupt Request Line (PIRQ) that each device uses.

4. (Optional) Change the OS partition settings.

a. Click the Basic tab to display the list of devices and the OS to which each one is

assigned.

b. Use the pull-down menus next to each device to change the OS to which each device

is assigned.

c. Right-click the Memory row and select Set Memory Allocation to partition the

system memory between the OSes according to your application needs.

d. Use the pull-down menus next to each CPU core to assign CPU cores to OSes

according to your application needs.

e. Click the Apply button to apply the partitioning configuration. The NI Real-Time

Hypervisor Manager generates a set of instructions.

f. Follow the instructions generated by the NI Real-Time Hypervisor Manager to ensure

that each hardware device is connected to the correct card slot.

5. Power on or restart your system.

6. Select NI Real-Time Hypervisor from the boot menu to boot into hypervisor mode.

7. Develop and run applications just as you would with a normal host and real-time system.

©National Instruments Corporation 7 NI Real-Time Hypervisor 2.10 Quick Start Guide

Communicating Between Operating Systems

The NI Real-Time Hypervisor includes a virtual RT console, a virtual Ethernet connection, and

a shared memory feature that you can use to communicate between the general-purpose OS and

the LabVIEW Real-Time OS (NI ETS).

Note The following sections reference the NI Real-Time Hypervisor Help. To open

the NI Real-Time Hypervisor Help, select Help»NI Real-Time Hypervisor Help

from LabVIEW or the NI Real-Time Hypervisor Manager. You can launch the NI

Real-Time Hypervisor Manager while booted into the general-purpose OS only.

Using the Virtual RT Console

Use the virtual RT console to view configuration and troubleshooting information for the

NI Real-Time Hypervisor. For example, you can use the virtual RT console to determine the RT

target IP address. Refer to the Connecting to the Virtual RT Console topic of the NI Real-Time

Hypervisor Help for more information.

Using the Virtual Ethernet Connection

Use the virtual Ethernet connection to communicate between your general-purpose OS and

NI ETS with remote communication methods. Refer to the Transferring Data Between

Operating Systems topic of the NI Real-Time Hypervisor Help for more information.

Using Shared Memory

You can share up to 95 MB of system memory between the OSes on your NI Real-Time

Hypervisor system. Use shared memory to transfer data between OSes if remote communication

methods are inefficient. Refer to the Transferring Data Between Operating Systems topic of the

NI Real-Time Hypervisor Help for more information.

Restoring Your System

(Windows) Refer to the Restoring Your NI Real-Time Hypervisor System topic on the Contents

tab in the NI Real-Time Hypervisor Help for instructions to restore your system.

(Linux) Refer to the Installing the NI Real-Time Hypervisor for Linux section above to reinstall

the NI Real-Time Hypervisor on your system.

Where to Go from Here

Refer to the NI Real-Time Hypervisor Help for complete documentation of the NI Real-Time

Hypervisor, including an introduction to virtualization and techniques for communicating

between your general-purpose OS and the LabVIEW Real-Time OS (NI ETS). To open the NI

Real-Time Hypervisor Help, select Help»NI Real-Time Hypervisor Help from LabVIEW or

the NI Real-Time Hypervisor Manager. You can launch the NI Real-Time Hypervisor Manager

while booted into the general-purpose OS only.

374476A-01 Feb14

*325174C-01*

LabVIEW, National Instruments, NI, ni.com, the National Instruments corporate logo, and the Eagle logo are trademarks of National Instruments

Corporation. Refer to the Trademark Information at ni.com/trademarks for other National Instruments trademarks. Other product and

company names mentioned herein are trademarks or trade names of their respective companies. For patents covering National Instruments

products/technology, refer to the appropriate location: Help»Patents in your software, the patents.txt file on your media, or the National

Instruments Patents Notice at ni.com/patents. Refer to the Export Compliance Information at ni.com/legal/export-compliance

for the National Instruments global trade compliance policy and how to obtain relevant HTS codes, ECCNs, and other import/export data.

Refer to ni.com/info and enter the Info Code NIRTHVKI to access known issues for the

NI Real-Time Hypervisor 2.1.

Refer to ni.com/info and enter the Info Code HV_Devices for information about

unsupported hardware devices and drivers.

Where to Go for Support

The National Instruments Web site is your complete resource for technical support. At

ni.com/support you have access to everything from troubleshooting and application

development self-help resources to email and phone assistance from NI Application Engineers.

National Instruments corporate headquarters is located at 11500 North Mopac Expressway,

Austin, Texas, 78759-3504. National Instruments also has offices located around the world to

help address your support needs. For telephone support in the United States, create your service

request at ni.com/support and follow the calling instructions or dial 512 795 8248. For

telephone support outside the United States, visit the Worldwide Offices section of ni.com/

niglobal to access the branch office Web sites, which provide up-to-date contact information,

support phone numbers, email addresses, and current events.

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