HP: Preparing your operating system | HCL Digital Experience

Prepare the operating system to ensure a successful installation.

Procedure

  1. Log in to the host server with superuser (root) privileges.
  2. Choose one of the following options to determine the physical memory, which you must know to avoid setting certain kernel parameters higher than the physical capacity:
    • HP-UX 11i Version 3 and later: Use the /usr/sbin/dmesg command.
    • HP-UX 11i Version 2 and earlier: Complete the following steps:
      1. Start the HP-UX System Administration Manager (SAM) utility with the /usr/sbin/sam command.
      2. Select Performance Monitors > System Properties > Memory.
      3. View the value for Physical Memory and click OK.
      4. Exit from the SAM utility.
  3. Set the maxfiles and maxfiles_lim parameters to at least 4096.

    The minimum value for maxfiles is 8000. The minimum value for maxfiles_lim is 8196.

    To allow the SAM utility to set values greater than 2048, edit the /usr/conf/master.d/core-hpux file.
    Note: If you are using HP-UX 11i Version 2, the /usr/conf/master.d/core-hpux file does not exist; instead, use the SAM utility to set the new kernel parameter values.
    1. Open the file /usr/conf/master.d/core-hpux in a text editor.
    2. Change the line, "*range maxfiles<=2048" to "*range maxfiles<=60000".
    3. Change the line, "*range maxfiles_lim<=2048" to "*range maxfiles_lim<=60000".
    4. ave and close the file. Old values might be stored in the /var/sam/boot.config file. Force the SAM utility to create a boot.config file:
      1. Move the existing version of the /var/sam/boot.config file to another location, such as the /tmp directory.
      2. Start the SAM utility.
      3. Select Kernel Configuration > Configurable Parameters. When the Kernel Configuration window opens, a new boot.config file exists.
        Alternatively, rebuild the boot.config file with this command: 
        # /usr/sam/lbin/getkinfo -b
  4. Updating operating system settings to enable full core dumps:
    • Use the ulimit -f command to set the maximum size of files to unlimited.
    • Use the ulimit -c command to set the maximum size to cores to unlimited.

    For information about these commands, see your operating system documentation.

  5. Complete the following steps to configure the HP-UX system kernel:
    1. Start the SAM utility.
    2. Select Kernel Configuration > Configurable Parameters.
    3. Repeat the following steps for each parameter in the table:
      1. Highlight the parameter to change.
      2. Select Actions > Modify Configurable Parameter.
      3. Type the new value in the Formula/Value field.
      4. Click OK.
        Note: When HCL Portal and DB2® are installed on the same server, some kernel values are higher than the values shown in the table.

    Typical kernel settings for running HCL Portal:

    Table 1. The typical kernel settings for running HCL Portal
    Parameter Value
    dbc_max_pct 25
    maxdsiz 805306358
    maxdsiz 2048000000 (when WebSphere® Application Server Base and Network Deployment products are on the same server)
    maxfiles_lim 8196 (Change this one before maxfiles.)
    maxfiles 8000
    maxssiz 8388608
    maxswapchunks (valid for HP-UX 11iv1 only) 8192
    max_thread_proc 3000
    maxuprc 512
    maxusers (valid for HP-UX 11iv1 only) 512
    msgmap 2048
    msgmax 65535
    msgmax 131070 (when WebSphere® Application Server Base and Network Deployment products are on the same server)
    msgmnb 65535
    msgmnb 131070 (when WebSphere® Application Server Base and Network Deployment products are on the same server)
    msgmni 50
    msgseg 32767
    msgssz 96
    msgtql 2046
    nfile 58145
    nflocks 3000
    ninode 60000
    nkthread 7219
    nproc 4116
    npty 2024
    nstrpty 1024
    nstrtel 60
    sema (valid for HP-UX 11iv1 only) 1 (with embedded Messaging)
    semaem 16384 (with embedded Messaging)
    semmap (valid for HP-UX 11iv1 only) 514
    semmni 2048
    semmns 16384 (with embedded Messaging)
    semmnu 1024
    semume 200
    semvmx 32767 (with embedded Messaging)
    shmmax 2147483647
    shmem (valid for HP-UX 11iv1 only) 1 (with embedded Messaging)
    shmmni 1024
    shmseg 1024
    STRMSGSZ (valid for HP-UX 11iv1 only) 65535
  6. Select Actions > Process New Kernel.
  7. Click Yes on the information window to confirm your decision to restart the server.
  8. Follow on-screen instructions to restart your server and to enable the new settings.