Page Comparison

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• Intel x86-64 hardware platform
• At least 3GHz, 3.4GHz or higher is recommended
• SSE 4.2 and FMA required
• CPU cores required:
  • at least one CPU core for the host operating system, and
  • at least 2 cores per emulated CPU (3 cores for future advanced DIT)
• RAM requirements:
  • 4GB RAM plus 1.1 times the emulated RAM size
  • at least 24GB RAM for N4000 models
• One Ethernet interface for the host system and one Ethernet interface for each emulated Ethernet NIC. Alternatively, TAP interfaces can be used.
• At least one available USB port if hardware licenses are to be used.
• Disable NUMA balancing.
  • To check the status, use the command: cat /proc/sys/kernel/numa_balancing (0 = off, 1 = on).
  • To disable NUMA balancing temporarily, use the command: sysctl -w kernel.numa_balancing=0
  • To make the configuration permanent you must create a sysctl configuration entry:
    • Create a file in /etc/sysctl.d/ (e.g., 90-numa.conf)
    • Add the line kernel.numa_balancing=0
    • Please note: it still works to add the line kernel.numa_balancing=0 directly to /etc/sysctl.conf but this file has been deprecated in newer Linux versions.

• If possible, turn off hyper-threading in BIOS.

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• Red Hat (64-bit): versions 7.x starting with 7.4, and version versions 8.1x
• CentOS (64-bit): versions 7.x starting with 7.4, and version versions 8.1x

General limitation: do

• Do not hibernate or suspend the host system while Charon-PAR instances are active.
• Charon-PAR 3.0.5 build 21906 implemented real-time priority for the timer task. This changes requires that CPU accounting on the Linux host be disabled.

Other Host Software Prerequisites

The license driver package requires the 32-bit glibc package. This is available in the standard CentOS and Red Hat repositories. Sometimes it is not possible to use an online repository for the installation of 32-bit glibc package. In this case the procedure described in How to install the glibc.i686 package without an Internet connection can be used.

On RHEL 7.x and CentOS 7.x, the libev package is required. If it is reported as missing during the Charon installation on RHEL 7.x check that the repository extras is included and enabled, if not, include and enable it. Please refer to your Linux distribution administrator's guide. Example for RHEL 7.x:

# yum-config-manager --enable rhel-7-server-extras-rpms

Supported Hypervisors

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The currently implemented 64-bit models support the following HP-UX versions:

• HP-UX 11v1 (11.11) and , 11v2 (11.23)
  
• In addition, emulated systems configured with 360 and 440 MHz CPUs can also run HP-UX 11.00 (e.g., rp2400-1-360, rp2400-1-440, rp7400-1-440, etc.)

The 7000-720 32-bit model supports only HP-UX 9.07, 10.20, and 11.00 (32-bit versions).

HP-UX 11v3 (11.31) on rp34xx and rp44xx is supported starting with Charon-PAR version 3.0.5.

Currently supported Charon-PAR/PA3 guest system versions:

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