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Bug 1664062 - System with rootfs on iSCSI target fails to boot
Summary: System with rootfs on iSCSI target fails to boot
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: dracut
Version: 8.0
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: beta
: 8.0
Assignee: Lukáš Nykrýn
QA Contact: qe-baseos-daemons
URL:
Whiteboard:
Depends On: 1681069
Blocks: 1515824 1701002
TreeView+ depends on / blocked
 
Reported: 2019-01-07 15:56 UTC by Jan Stodola
Modified: 2020-11-14 17:43 UTC (History)
9 users (show)

Fixed In Version: dracut-049-12.git20190603.el8
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
: 1664587 (view as bug list)
Environment:
Last Closed: 2019-11-05 22:27:05 UTC
Type: Bug
Target Upstream Version:
Embargoed:
pm-rhel: mirror+

Attachments (Terms of Use)
journalctl (with rd.debug) (3.52 MB, text/plain)
2019-01-07 15:56 UTC, Jan Stodola 		no flags Details
View All


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2019:3604 0 None None None 2019-11-05 22:27:30 UTC

Description Jan Stodola 2019-01-07 15:56:17 UTC 
Description of problem:
System with rootfs on iSCSI fails to boot:

...
connection2:0: detected conn error (1020)
iscsiadm: Could not login to [iface: default, target: iqn.2003-01.org.linux-iscsi:test, portal: 192.168.122.87,3260].
iscsiadm: initiator reported error (24 - iSCSI login failed due to authorization failure)
iscsiadm: Could not log into all portals


Version-Release number of selected component (if applicable):
RHEL-8.0-20190107.n.0
dracut-049-8.git20181030.el8
iscsi-initiator-utils-6.2.0.876-6.gitf3c8e90.el8
systemd-239-10.el8

How reproducible:
always

Steps to Reproduce:
1. Create an iSCSI target (used RHEL-8 with targetcli)
# yum install -y targetcli
# systemctl start target
# systemctl enable target
# dd if=/dev/zero of=disk bs=1 count=1 seek=6G
# targetcli
cd /backstores/fileio
create file_or_dev=/root/disk  name=disk
cd /iscsi
create wwn=iqn.2003-01.org.linux-iscsi:test
cd iqn.2003-01.org.linux-iscsi:test/tpg1/luns
create /backstores/fileio/disk
cd ../acls
create iqn.2005-03.org.open-iscsi:client
cd /
saveconfig

2. run installation, use the iSCSI disk created above for rootfs. Place /boot and swap on local disk (not using LVM)
3. finish the installation and restart the system

Actual results:
System will not boot

Expected results:
System boots successfully

Additional info:
iSCSI target reports:
Jan 07 16:41:02 localhost.localdomain kernel: iSCSI Initiator Node: iqn.1994-05.com.redhat:8a58a275417f is not authorized to access iSCSI target portal group: 1.
Jan 07 16:41:02 localhost.localdomain kernel: iSCSI Login negotiation failed.

This looks suspicious, since the initiator name should be set to "iqn.2005-03.org.open-iscsi:client" (rd.iscsi.initiator=iqn.2005-03.org.open-iscsi:client is present on the kernel cmdline)
Comment 2 Jan Stodola 2019-01-07 15:56:59 UTC 
Created attachment 1519046 [details]
journalctl (with rd.debug)
Comment 4 Lukáš Nykrýn 2019-01-08 16:17:05 UTC 
I think that the problem might be this:
https://github.com/dracutdevs/dracut/pull/518
Comment 7 Tom Coughlan 2019-02-28 17:21:41 UTC 
Should there be an 8.0 Release Note for this? 

Does this effect all such installations? (Don't we test this on each build/release? Why was it not found until Jan.?)

Is there a work-around we can document for people to use in 8.0? 

Should this be fixed in the z-stream? 

Tom
Comment 8 David Lehman 2019-02-28 18:07:08 UTC 
(In reply to Tom Coughlan from comment #7)
> Should there be an 8.0 Release Note for this? 

My understanding is that the python-blivet change (bug 1664587) was sufficient to work around the dracut problem, so that customers will not see the problem even though the dracut fix will not land until 8.1.
Comment 12 Jan Stodola 2019-07-11 13:34:10 UTC 
Reproduced with dracut-049-10.git20190115.el8.

Verified with dracut-049-13.git20190614.el8, the rd.iscsi.initiator= parameter on the kernel command line is preferred over the value of the initiator name stored in the initrd.

Moving to VERIFIED.
Comment 15 errata-xmlrpc 2019-11-05 22:27:05 UTC 
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://access.redhat.com/errata/RHBA-2019:3604
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