Upgrade From Oracle Linux 6 To Oracle Linux 7 Hangs and the server then fails to boot
(Doc ID 2396494.1)
Last updated on MAY 13, 2020
Applies to:Linux OS - Version Oracle Linux 7.0 and later
Oracle Cloud Infrastructure - Version N/A and later
The system hangs when trying to boot after an inplace upgrade from Oracle Linux 6 to Oracle Linux 7 was attempted with the following errors:
system-fsck fsck: error2 (No such file or directory) while executing fsck.ext2 for /dev/vg_sys/lv_root
lvm failed to initialized library context for activation generator
system: Job timers.target/start deleted to break ordering cycle starting with basic.target/start
The following errors were also seen during the upgrade process showing a missing library:
upgrade: grep: error while loading shared libraries: libpcre.so.0: cannot open shared object file: no such file or directory
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