Hi Apollon, I can confirm this works now with the `--no-reread` flag set instead of `--force`.
Thanks alot for taking the time to look into this! Best Regards, Martin On 05/03/2017 03:13 PM, Apollon Oikonomopoulos wrote: > Hi Martin, > > Apologies for the late response. > > Here's a preliminary root cause analysis: > > On Mon, 30 Jan 2017 13:33:33 +0100 Martin Weinelt <h...@darmstadt.ccc.de> > wrote: >> This disk is currently in use - repartitioning is probably a bad idea. >> Umount all file systems, and swapoff all swap partitions on this disk. >> Use the --no-reread flag to suppress this check. >> >> sfdisk: Use the --force flag to overrule all checks. >> ``` > > In util-linux 2.26, a safeguard was added to sfdisk to try to detect if > a disk is in use before partitioning. It does so by issuing the > BLKRRPART ioctl, which instructs the kernel to re-read the partition > table, which will fail if the disk is currently in use, and this is what > sfdisk looks for. > > However, this operation will also fail with -EINVAL in a number of > cases, including when devices are declared to the kernel as > unpartitionable, i.e. with bdev->minors == 1. And this is how DRBD > declares its own devices. IOW, BLKRRPART on DRBD devices will *always* > fail, regardless whether the device is in use or not. > >> >> Adding `--force` to the sfdisk call in >> /usr/share/ganeti/os/debootstrap/common.sh:98 >> will allow for completion of the os installation. >> Adding `--no-reread` didn't change a thing for me. > > In theory, `--no-reread` should work. I tested it manually here, can you > please give it a try again? I would prefer to add `--no-reread` rather > than `--force`, if the former works. > > Regards, > Apollon >