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Cause:
if "ip=ibft" is specified as a kernel command line argument, but no "ifname=<iface>:<mac>", dracut does not handle network interfaces.
Consequence:
iSCSI disks will not be connected to the system and the system does not boot.
Fix:
dracut now handles "ip=ibft" as a kernel command line argument, even without "ifname=<iface>:<mac>".
Result:
iSCSI disks will be connected to the system and the system boots.
Description of problem:
if no ifname is specified as kernel argument the server will not boot using ip=ibft. It will not find iscsi the root device
Version-Release number of selected component (if applicable): CentOS 6.5
How reproducible:
Steps to Reproduce:
1.Install CentOS using netinstall iso on an iscsi lun
2. after instalation remove ifname=eth0:XX:XX:XX:XX:XX:XX from kernel line
3. try to boot and it will fail
Actual results:
rdinitdebug boot log and init.log: http://pastebin.com/XY4Ahwam
Expected results:
The OS should be able to boot only with ip=ibft and no ifname parameter
Additional info:
fix by haraldh: http://paste.fedoraproject.org/79831/32523561/
dirty fix: set ifname=dummy:FF:FF:FF:FF:FF:FF (or anything else in the same format) as a parameter and the OS will boot from iscsi and will set ibft0 accordingly
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHBA-2015-1328.html