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Bug 1929105 - [Regression] Cannot install the system when hard disk is pre-hosting a CDROM image
Summary: [Regression] Cannot install the system when hard disk is pre-hosting a CDROM ...
Keywords:
Status: CLOSED MIGRATED
Alias: None
Product: Red Hat Enterprise Linux 8
Classification: Red Hat
Component: anaconda
Version: 8.3
Hardware: All
OS: Linux
high
high
Target Milestone: rc
: ---
Assignee: Anaconda Maintenance Team
QA Contact: Release Test Team
Sagar Dubewar
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2021-02-16 08:37 UTC by Renaud Métrich
Modified: 2024-03-25 18:11 UTC (History)
6 users (show)

Fixed In Version:
Doc Type: Known Issue
Doc Text:
.Hard drive partitioned installations with iso9660 filesystem fails You cannot install RHEL on systems where the hard drive is partitioned with the `iso9660` filesystem. This is due to the updated installation code that is set to ignore any hard disk containing a `iso9660` file system partition. This happens even when RHEL is installed without using a DVD. To workaround this problem, add the following script in the kickstart file to format the disc before the installation starts. Note: Before performing the workaround, backup the data available on the disk. The `wipefs` command formats all the existing data from the disk. [literal,subs="quotes"] ---- %pre wipefs -a __/dev/sda__ %end ---- As a result, installations work as expected without any errors.
Clone Of:
Environment:
Last Closed: 2023-09-18 15:02:50 UTC
Type: Bug
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
Anaconda logs with kickstart in run/install (102.68 KB, application/gzip)
2021-02-16 08:37 UTC, Renaud Métrich 		no flags Details
View All


Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker   RHEL-4711 0 None Migrated None 2023-09-18 15:02:48 UTC

Description Renaud Métrich 2021-02-16 08:37:33 UTC 
Created attachment 1757202 [details]
Anaconda logs with kickstart in run/install

Created attachment 1757202 [details]
Anaconda logs with kickstart in run/install

Description of problem:

When the hard drive contains a preloaded CDROM image, the system cannot be installed, due to python-blivet excluding any hard disk containing a iso9660 file system partition.
This happens even when the installation is performed without using a DVD at all.

The reason for this seems new detection code introduced with 8.3

Version-Release number of selected component (if applicable):

anaconda-33.16.3.26-1.el8


How reproducible:

ALWAYS


Steps to Reproduce:
1. Attach a disk to a VM and copy a DVD on it

  # dd if=/dev/sr0 of=/dev/sdb bs=10M
 
2. Detach the disk and attach it to a new VM to install

  The VM was configured with a DVD drive (unused), but this doesn't change anything.

3. Install the system using a kickstart (/run/install/ks.cfg in anaconda.tar.gz)

-------- 8< ---------------- 8< ---------------- 8< ---------------- 8< --------
[...]
zerombr
clearpart --all --initlabel
autopart --type=lvm
bootloader --location=mbr
[...]
-------- 8< ---------------- 8< ---------------- 8< ---------------- 8< --------


Actual results:

Console:
-------- 8< ---------------- 8< ---------------- 8< ---------------- 8< --------
Saving storage configuration...
Failed to save storage configuration
No usable disks.
-------- 8< ---------------- 8< ---------------- 8< ---------------- 8< --------

storage.log:
-------- 8< ---------------- 8< ---------------- 8< ---------------- 8< --------
DEBUG:anaconda.storage:Marking device sr0 as protected.
DEBUG:anaconda.storage:Marking device sda as protected.
-------- 8< ---------------- 8< ---------------- 8< ---------------- 8< --------

Expected results:

/dev/sda gets repartitioned and system installs

Additional info:

This is a critical issue for customers deploying system booting on a pre-initialized hard disk hosting a pre-boot environment.
Comment 1 Vojtech Trefny 2021-02-16 09:50:31 UTC 
Moving this to Anaconda, it is marking all iso9660 devices as protected to be able to use them as installation sources. I believe the change was introduced because of https://bugzilla.redhat.com/show_bug.cgi?id=1856264.

Related upstream PRs:
https://github.com/rhinstaller/anaconda/pull/2746
https://github.com/rhinstaller/anaconda/pull/2747
Comment 2 Jan Stodola 2021-02-16 09:54:03 UTC 
The disk is also not visible in UI during manual installation.

A workaround for kickstart installation is to clean the disk in %pre script, for example:

%pre
wipefs -a /dev/sda
%end
Comment 18 RHEL Program Management 2023-09-18 15:00:49 UTC 
Issue migration from Bugzilla to Jira is in process at this time. This will be the last message in Jira copied from the Bugzilla bug.
Comment 19 RHEL Program Management 2023-09-18 15:02:50 UTC 
This BZ has been automatically migrated to the issues.redhat.com Red Hat Issue Tracker. All future work related to this report will be managed there.

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