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dm-vdo
vdoprepareforlvm Throw out of range error
Hello, I have vdoprepareforlvm failed when upgrading to rhel 9. I found out it's the following command caused by checking logs.
# /usr/libexec/vdoprepareforlvm --check /dev/sda1
vdoprepareforlvm: Unexpected error accessing '/dev/sda1' : VDO Status: Out of range
where /dev/sda1 is a BIOS boot partition for booting with legacy bios on GPT disk, with 1mb space.
where
/dev/sda1is a BIOS boot partition for booting with legacy bios on GPT disk, with 1mb space.
For safety any device that is categorized, based on the upgrade scanning, nor more specifically than as a block device is checked for being a VDO.
As part of conversion a VDO has its metadata shifted. In order to check whether the device is a VDO and its state as to pre- or post-conversion vdoprepareforlvm --check attempts to read both possible locations for the metadata. Given that the shift is 1 MB the error seen is almost certainly because it was not considered that such a small device would be encountered.
Yes, I can expect it. Perhaps skiping devices with a specific guid when checking could be a workaround, in this case 21686148-6449-6E6F-744E-65656445464 for the bios boot partition.