XCAT_2.13.8_Release_Notes - xcat2/xcat-core GitHub Wiki

Highlighted Functions and Changes in Behavior

Features

Highlighted Functions

• OpenBMC support (Alpha level code)

  • rflash run parallelly
  • rspconfig sshcfg parallelly
  • enhance of rpower boot/reset
  • rpower (or framework) calls is not sent from xCAT in parallel

• nodeset error handling enhancement for batch operation

  • refine nodeset to fix the issue that if one node failed, the nodeset for multiple nodes will be broken.

• To support localdisk for diskless service node

• Cumulus OS upgrade

• xCAT MN HA

• For hardware discovery

  Hardware discovery on P9 using the Fedora26 based xCAT-genesis-base will cause a segmentation faults while running discovery inside the Genesis Kernel. Issue #3870. See the following documented workaround procedure.

xCAT Documentation

xCAT documentation is hosted on ReadTheDocs: http://xcat-docs.readthedocs.io/

Download xCAT

• xcat-core

  • RHEL/SLES - xcat-core-2.13.8-linux.tar.bz2
  • Ubuntu - xcat-core-2.13.8-ubuntu.tar.bz2

• xcat-dep

  • RHEL/SLES - xcat-dep-2.13.8-linux.tar.bz2
  • Ubuntu - xcat-dep-2.13.8-ubuntu.tar.bz2

Test Environment

Hardware Platform and Operating Systems which have been verified:

Hardware Platform	Operation System
IBM Power S922LC for HPC	RHEL 7.4 for Power Little Endian (POWER9)
IBM Power S822LC for HPC	RHEL 7.4
IBM Power S822LC for HPC	Ubuntu 14.04.4
IBM Power S822LC for HPC	Ubuntu 16.04.1
IBM Power S822LC for HPC	SLES 12 SP2 Issue #2322
IBM Power 750	RHEL 7.4
IBM Power 750	RHEL 6.9
IBM Power 750	SLES 11 SP4
iDataPlex M4 DX360	RHEL 7.4
iDataPlex M4 DX360	RHEL 6.9
iDataPlex M4 DX360	SLES 11 SP4
iDataPlex M4 DX360	Ubuntu 14.04.4
iDataPlex M4 DX360	Ubuntu 16.04.1
iDataPlex M4 DX360	SLES 12 SP2 Issue #2322

Key Issues Resolved

Issue #4138 the node status cannot be updated on normal system reboot

Issue #4074 rspconfig sshcfg issue where keys are not copied seems to be in xCAT

Issue #4065 bmcsetup as postscript hangs due to background process

Issue #3888 If service node is down, control to OpenBMC node never returns

Issue #3700 xcatprobe switch_macmap , does not display VLAN correctly for CumulusLinux

Issue #3026 xcatd reported "Died at /opt/xcat/sbin/xcatd" when openbmc nodes updated its status from "installing" to "booting"

Restrictions and Known Issues

Issue #4264[OpenBMC] rpower command intermittently reports 503 Service Unavailable Error

Issue #4240 bmcdiscover --check and --ipsource are not supported.

Issue #4236[OpenBMC] rinv firm verbose shows all firmware as "active" one with *

Issue #3309[OpenBMC] The support to set hostname in the BMC is complete with xCAT, but an issue with the BMC level > ibm-v1.99.9-0-r4 causes hostname to not be effective.

Issue #3513 For the latest xCAT-genesis-base, the mlx4_en driver 2.2-1 (Feb 2014) is included, it can not support Mellanox Ethernet NIC that need driver newer than 2.2-1, for more information, please reference build genesis locally with latest RH MN

Issue #3870 Running discover on the latest P9 Processor causes segmentation fault in dodiscovery Workaround - Build xCAT Genesis Base using RHELS 7.4 for Power9

Issue #3284 While selinux on KVM host was reconfigured from enforcing to disabled, rpower failed to power previous created KVM guest on

Issue #4000 Node group name does not work if only consists of numbers

Issue #274 rhels7.4/rhels7.2 diskless hang on Power S822LC