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i have a RHEL 5.5 installation. during the setup i have created a software-raid 1 setup for /boot and /.
i tried to upgrade to RHEL 6, but it does not detect my installation ("The root for the previously installed system was not found"). also, the v6 rescue system is not able to automatically mount my partitions which works fine with 5.5. rescue system.
anaconda.log says:
01:49:32,565 INFO : failed to set SELinux context for /mnt/sysimage: [Errno 95] Die Operation wird nicht unterstützt
01:49:32,566 DEBUG : isys.py:mount()- going to mount /dev/mapper/mpatha on /mnt/sysimage as ext3 with options ro
Please see the installation guide. Specifically section 37.1:
http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html-single/Installation_Guide/index.html#ch-upgrade-x86
"Red Hat does not support upgrades from earlier major versions
Although anaconda provides an option for upgrading from earlier major versions of Red Hat Enterprise Linux to Red Hat Enterprise Linux 6, Red Hat does not currently support this. More generally, Red Hat does not support in-place upgrades between any major versions of Red Hat Enterprise Linux. (A major version is denoted by a whole number version change. For example, Red Hat Enteprise Linux 4 and Red Hat Enterprise Linux 5 are both major versions of Red Hat Enterprise Linux.)
In-place upgrades across major releases do not preserve all system settings, services or custom configurations. Consequently, Red Hat strongly recommends fresh installations when upgrading from one major version to another."
Comment 7RHEL Program Management
2011-02-26 02:34:54 UTC
Development Management has reviewed and declined this request. You may appeal
this decision by reopening this request.
i have a RHEL 5.5 installation. during the setup i have created a software-raid 1 setup for /boot and /. i tried to upgrade to RHEL 6, but it does not detect my installation ("The root for the previously installed system was not found"). also, the v6 rescue system is not able to automatically mount my partitions which works fine with 5.5. rescue system.