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不可能这样升级,请参考红帽官方的档案
Issue
How can I upgrade my system from 32bit to 64bit by saving existing data?
Environment
Red Hat Enterprise Linux 3
Red Hat Enterprise Linux 4
Red Hat Enterprise Linux 5
Resolution
Need to re-install the system.
To save existing data, take necessary backups and restore the data after re-installing the system.
Root Cause
Upgrades between system architectures do not preserve all system settings, services or custom configurations.
In addition to upgrading the kernel to 64bit, many other packages such as glibc, binutils etc. are to be upgraded which is a difficult task.
Diagnostic Steps
You can choose "upgrade" option from anaconda installer, but the upgraded system will not boot. I tried to upgrade the system from anaconda installer, but it did not boot.Kernel panic occurs at boot time. |
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