We happen to debug the bug internally with our Firmware team and understood that this behavior is caused because of the Hard Drive state
When the IO's are started the Hard Drive was in Spun Down state , Hence IO's are failed with " Logical unit not ready, manual intervention required " for short while and then it recovered -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1784014 Title: UBUNTU18.04.1:Observing buffer I/O error while creating a partition on the Hard Disk To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-signed-hwe/+bug/1784014/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
