Kdump over network requires DNS1 variable set when static IP address is used.
Issue
- Kdump fails to save vmcore to SSH/NFS target when static IP address is used.
dracut-pre-pivot[555]: device node not found
kdump: dump target is
kdump: error: Dump target is not mounted
kdump: saving vmcore failed
- rdsosreport.txt had following errors
[ 10.413049] localhost.localdomain dracut-pre-pivot[555]: Mounting from /etc/fstab
[ 10.417715] localhost.localdomain dracut-pre-pivot[555]: device node not found
[ 10.418731] localhost.localdomain dracut-pre-pivot[555]: Mounting example.com:/mount/point
[ 10.423250] localhost.localdomain dracut-pre-pivot[555]: mount.nfs: Failed to resolve server example.com: Name or service not known
Environment
- Red Hat Enterprise Linux 7
- kexec-tools-2.0.7-19.el7_1.2
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