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Status Submitted
Workspace PowerVM VIOS
Created by Guest
Created on Jul 17, 2026

Need to add "-g" flag to viosupgrade like alt_disk_mksysb

Basically when a New NVME disk is replaced and the system is not rebooted yet viosupgrade fails with alt_disk_mksysb with below error

0505-212 alt_disk_install: System checks indicate that hdisk0 may not be bootable. This may be because the disk's parent adapter does not support boot, or it does support boot but was dynamically added (in which case the disk should still be bootable). If you believe this disk is bootable, re-execute this command with the "-g" (ignore boot check) flag.

Same is covered in below 2 docs

https://www.ibm.com/support/pages/node/7134737

https://www.ibm.com/support/pages/padmin-viosupgrade-failed-installation-alternate-disks-failed

In case of AIX there is flag "-g" to ignore bootcheck. Can we add that to VIOS

Idea priority Medium