Dear OSCAR cluster users,
Great progress has been made to OSCAR lately.
1st of all, we have now a true robust modern systemimager that works on
CentOS-6, CentOS-7, Fedora-27 and OpenSuSE-42.3 (should work on debian, but the
packaging is not yet ported to new systemimager. it needs full rewrite)
See it in action here:
http://olivier.lahaye1.free.fr/SystemImager/Videos/20180403_SystemImager_directboot.webm
The great feature is that it can install and run the OS without rebooting after
install (requirement is that the initramfs kernel version has its modules on
imaged system). This reduce a lot install time (especially on system that have
tons of RAM to count)
This systemimager only supports rsync protocol for the moment but many more are
planed (scp, nfs, bittorrent, http, ...)
No more post-install script needed to install the boot-loader.
The main install script is optional now.
The disk layout for systemimager has changed. Now, main install scripts are
optional nad must be moved into /var/lib/systeimager/scripts/main-install
The
/var/lib/systeimager/images/<image_name>/etc/systemimager/autoinstallscript.conf
must be moved to /var/lib/systeimager/scripts/disks-layouts/<image_name>.xml
More info to come in a quick start guide.
Build in progress for CentOS-7 and Fedora-27. (CentOS-6 already built).
For those who want to build their own OSCAR rpms, docker files can be found
here:https://github.com/oscar-cluster/oscar/tree/master/support_files
This is an excellent way to familiarise with oscar-packager, the main build
tool with opkgc.
Once running the resulting docker image, you'll find main oscar packages in
/tftpboot.
to build remaining packages, just type in : oscar-packager --all unstable
(or oscar-packager --debug --all unstable)
THIS RELEASE IS FOR TESTING PURPOSE
Here are the testing repositories. Just install oscar-release package and you
have access to it.
Note: if URL is invalid, just got to
http://svn.oscar.openclustergroup.org/repos/unstable<http://svn.oscar.openclustergroup.org/repos/unstable/rhel-6-x86_64/oscar-release-6.1.3-0.20180416.el6.noarch.rpm>
the select the distro and choose the new oscar-release rpm.
CentOS-6: yum install
http://svn.oscar.openclustergroup.org/repos/unstable/rhel-6-x86_64/oscar-release-6.1.3-0.20180416.el6.noarch.rpm
CentOS-7: yum install
http://svn.oscar.openclustergroup.org/repos/unstable/rhel-7-x86_64/oscar-release-6.1.3-0.20180416.el7.centos.noarch.rpm
Fedora-27: dnf -y install
http://svn.oscar.openclustergroup.org/repos/unstable/fc-27-x86_64/oscar-release-6.1.3-0.20180416.fc27.noarch.rpm
Happy testing.
--
Olivier LAHAYE
CEA DRT/LIST/DIR
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