OL6 to OL7 Migration Reimage Step Boots into the Dracut Emergency Shell
(Doc ID 2761414.1)
Last updated on MARCH 18, 2021
Applies to:Big Data Appliance Integrated Software - Version 4.12.0 and later
Following the documentation to upgrade the BDA from OL6 to OL7, 10.8.3 Oracle Linux 6 to Oracle Linux 7 Migration Steps, the step to reimage the node, boots into the "Dracut Emergency Shell".
1. Messaging shows:
dracut-initqueue: Warning: /dev/root does not exist
Starting Dracut Emergency Shell...
Warning: /dev/root does not exist
Entering emergency mode. Exit the shell to continue.
Type "journalctl" to view system logs.
2. The journalctl output shows a problem with /dev/sdm
sd 1:0:0:0: [sdm] No Caching mode page found
sd 1:0:0:0: [sdm] Attached SCSI removable disk
3. Booting into the OS manually, shows that the OS remains at OL6 and no partitions have been created. "df -h" reports:
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