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XCAT_Monitoring_Failure_Analysis_Conditions_Batched_Events XCAT_Postscripts_framework_enhancements XCAT_Provisioning_OS_on_consistent_disk XCAT_REST_API_enhancements XCAT_Support_for_Kits_and_Kit_Components XCAT_probe XCAT_support_for_multiple_network_domains Xcatexport_and_xcatimport_commands Xcatmon_and_appstatus_for_HPC_products Xeon_Phi_support cofignetwork_for_RH7 confignetwork integrate confignics_configeth_configib functions usage determine_install_disk diskdiscover_and_configraid docker_instances_lifecycle_management enhancement_for_rinstall_command logging pre script to make debug easy makedhcp_append_statement_automatically_rather_than_get_statement_from_nodeset mini design of ZTP based onie switch discovery and configuration minidesign Switch based switch discovery minidesign_xcatprobe node status enhancement ntp_enhancement openbmc_support post.xcat_restructure rflash_streamline_procedure rscan command for hypervisor rspconfig network rspconfig ntpservers rspconfig password scaleup_basedon_xcat_in_openshift_cluster supporting_partitionfile_for_Ubuntu supporting_persistent_kernel_cmdline_after_diskful_installation test_sidebar the mini design of xcat inventory export and import for osimage use fifo pipe to enhance getadapter xCAT Build Schedule xCAT_2.12_ReleaseInformation xCAT_2.13_ReleaseInformation xCAT_2.14_ReleaseInformation xCAT_2.15_ReleaseInformation xCAT_Docker_Image xcatprobe_framework xcatprobe_requests
17 XCAT_2.12.1_Release_Notes
Mark Gurevich edited this page 2016-09-06 14:28:25 -04:00
Table of Contents

New Functions and Changes in Behavior

Features

New Commands

  • go-xcat - A tool to perform xCAT installation

    To use go-xcat to install or update xCAT:

     # wget http://xcat.org/files/go-xcat -O - >/tmp/go-xcat
 # chmod +x /tmp/go-xcat

 # /tmp/go-xcat install           (install the latest stable version of xCAT)
 # /tmp/go-xcat -x devel install  (install the latest development version of xCAT)

  • xcatprobe - A command to probe/diagnose potential problems with xCAT (BETA)

    • Use the -l option to list the supported sub-commands:

      # xcatprobe -l
Supported sub commands are:
switch-macmap    To retrieve MAC address mapping for the specified switch, or all the switches defined
                  in switches table in xCAT db.
detect_dhcpd     detect_dhcpd can be used to detect the dhcp server in a network for a specific mac address.
                  Before using this command, please install tcpdump command ahead. The operating system 
                  supported are redhat, sles, ubuntu and debian.
osdeploy         Do probe for os provision process, realtime monitor of os provision process.
xcatmn           After xcat installation, use this command to check if xcat has been installed correctly and 
                  is ready for use. Before using this command, please install tftp, nslookup and wget commands
                  ahead. The platform supported are redhat, sles and ubuntu.
discovery        Do probe for discovery process, including pre-check for required configuration and realtime
                  monitor of discovery process.Before using this command, please install nslookup command ahead.
image            Use this command to check if all compute nodes have the same images installed or if compute
                  nodes are installed with the same image as defined on MN.

    • Probe the configuration for xCAT Management Node:

      xcatprobe xcatmn -n eth0

    • Probe the node discovery process:

      xcatprobe discovery

    • Probe the OS deployment process for nodes. To collect all the messages for OS deployment start the probe command before the OS deployment:

      xcatprobe osdeploy -n <noderange>

    • Probe the mac address mapping of switches to help debug switch-based discovery problems:

      xcatprobe switch-macmap

New arguments

  • lsdef and mkdef commands now support a --template option.

    • To list all the template files shipped by xCAT:

      lsdef --template

    • To create a new compute node object based on the ppc64lekvmguest-template template:

      mkdef -t node cn1 --template ppc64lekvmguest-template ...

New Functions

  • Enhance rinstall

    rinstall now supports Operating System deployment for all Operating Systems and Architectures. Leverage this single command to replace the various arcitecture specific sequences: nodeset -> rsetboot/rbootseq/rnetboot -> rpower.

    rinstall <noderange> osimage=<image name>

  • xcatdebugmode - supports diskless provisioning

    Set site.xcatdebugmode=1 to generate debug log information during the netbooting process of diskless nodes.

  • Refine hardware discovery framework

    xCAT hardware discovery framework has been improved to generate more useful logs during hardware discovery

    Example of the logs generated during switch-based hardware discovery:

    xcat[91111]: xcat.discovery.aaadiscovery: (8335-GTB*100464A) Get a discover request
xcat[91111]: xcat.discovery.blade: (8335-GTB*100464A) Processing discovery request
xcat[91111]: xcat.discovery.blade: (8335-GTB*100464A) Error: Could not find any node
xcat[91111]: xcat.discovery.switch: (8335-GTB*100464A) Processing discovery request
xcat[91111]: xcat.discovery.switch: (8335-GTB*100464A) Find node:c910f05c29 for the discovery request
xcat: The attribute bmcinband is specified, just remove the temp BMC node if there is
xcat: Find BMC node-8335-gtb-100464a, so remove it
xcat: c910f05c29 has been discovered
xcat[91111]: xcat.discovery.zzzdiscovery: (8335-GTB*100464A) Finish to process the discovery request
xcat[91111]: xcat.discovery.zzzdiscovery: (8335-GTB*100464A) Successfully processed by switch method

  • Enhance rscan - scans KVM hosts

    rscan has been enhanced to scan the user created KVM guests on KVM host machines.

    One restriction is the scanned kvm guests do not support mkvm/chvm commands.

xCAT Documentation

xCAT documentation is hosted on ReadTheDocs: http://xcat-docs.readthedocs.io/en/2.12.1/index.html

Download xCAT

Test Environment

Hardware Platform and Operating Systems which have been verified:

Hardware Platform Operation System
IBM Power S822LC RHELS7.2
IBM Power S822LC Ubuntu14.04.4
IBM Power S822LC Ubuntu16.04
IBM Power S822LC SLES12 SP1
IBM Power 750 RHELS7.2
IBM Power 750 SLES11 SP4
iDataPlex M4 DX360 RHELS7.2
iDataPlex M4 DX360 SLES11 SP4
iDataPlex M4 DX360 Ubuntu14.04.4
iDataPlex M4 DX360 Ubuntu16.04
iDataPlex M4 DX360 SLES12 SP1

Key Bug Fixes

  • Issue 1258 switchdiscover -s snmp could not get Mellanox switch's mac

  • Issue 1252 switchdiscover -s snmp could not use port 161 by nmap way on rh env

  • Issue 1114 Bug fix for switchdiscover -s snmp.

  • Issue 1115 Improved the performance for hardware discovery.

  • Issue 1122 Fixed a genimage issue that it will caused the /dev on the MN to be readonly.

  • Issue 1008 Fixed the issue that restart xcatd might report certain DB access problem.

Restrictions and Known Problems

  • Issue 1329 xCAT has problem to support slatelite against sles12.1

  • Issue 1415 xcatprobe image subcommand has problem to handle the compute nodes have different osimage.

  • Issue 1487 xcatprobe discovery|osdeploy does not support sles11.x

News

History

  • Oct 22, 2010: xCAT 2.5 released.
  • Apr 30, 2010: xCAT 2.4 is released.
  • Oct 31, 2009: xCAT 2.3 released.
    xCAT's 10 year anniversary!
  • Apr 16, 2009: xCAT 2.2 released.
  • Oct 31, 2008: xCAT 2.1 released.
  • Sep 12, 2008: Support for xCAT 2
    can now be purchased!
  • June 9, 2008: xCAT breaths life into
    (at the time) the fastest
    supercomputer on the planet
  • May 30, 2008: xCAT 2.0 for Linux
    officially released!
  • Oct 31, 2007: IBM open sources
    xCAT 2.0 to allow collaboration
    among all of the xCAT users.
  • Oct 31, 1999: xCAT 1.0 is born!
    xCAT started out as a project in
    IBM developed by Egan Ford. It
    was quickly adopted by customers
    and IBM manufacturing sites to
    rapidly deploy clusters.