Hiding particular disks from the installer-upgrade to prevent any misbehaviour
This document (000020665) is provided subject to the disclaimer at the end of this document.
SUSE Linux Enterprise Server for SAP Applications 15 SP3
If the disks are shared on SAN, unzoning would be best option.If unzoning is not possible, a workaround could be as following:
Manual InstallationBoot from the installation/upgrade medium (eg. ISO or network boot) and in the GRUB2 menu modify the kernel parameters for to be booted menu entry - that is add the 'startshell=1' installation/upgrade (linuxrc ) kernel parameter:
This kernel parameter will cause installer/upgrade to stop in the shell and wait for human intervention before the installation/upgrade itself will proceed. Thus, you should be present with the screen:
ATTENTION: Starting shell... (use 'exit' to proceed with installation) console:install:/ #Query your disks, for example for SCSI disks use `lsscsi':
console:install:/ # lsscsi [0:0:0:0] cd/dvd QEMU QEMU DVD-ROM 2.5+ /dev/sr0 [6:0:0:1] disk LIO-ORG s153cl-raid0 4.0 /dev/sdaThen, if you would like to "disable" eg. /dev/sda, do the following:
echo 1 > /sys/block/sda/device/deleteRe-query of the disks, eg. via `lsscsi' will not list the removed disk anymore.
Then to continue the installation/upgrade, type 'exit':
The installer/upgrade will no longer show the removed disk.
AutoYaST installation/upgradeAutoYaST can be customized to use 'pre-scripts' which run very early, before real installation/upgrade happens. See 'Pre-install scripts ' section in 'AutoYaST Guide '. An example:
<pre-scripts config:type="list"> <script> <filename>01_install_cert</filename> <interpreter>shell</interpreter> <source><![CDATA[ echo 1 > /sys/block/sda/device/delete ]]></source> </script> </pre-scripts>
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- Document ID:000020665
- Creation Date: 22-Jun-2022
- Modified Date:22-Jun-2022
- SUSE Linux Enterprise Server
- SUSE Linux Enterprise Server for SAP Applications
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