On Thu, Feb 20, 2020 at 07:27:55PM +0100, Matthias Schmidt wrote:
> Hi Otto,
>
> * Otto Moerbeek wrote:
> > Hi,
> >
> > This is amd64 only, it contains some i386 pieces, but those are
> > incomplete.
> >
> > With the diff, install uses ffs2 for the filesystems created during
> > install. All boot loaders (except the floppy one) contain support for
> > loading a kernel from ffs2.
> >
> > To test, create a snapshot (see release(8)) with this diff and use it
> > to install a new system. You could also use the snap at
> > www.drijf.net/openbsd/66. Note that it is unsigned.
> >
> > Note that when you manually create an fs, it still will be ffs1 by
> > default. That is to not disturb other platforms. Use -O2 for ffs2.
> >
> > Please test and provide feedback. One think you should see is that the
> > newfs is much faster and fsck as well, since ffs2 creates inodes
> > lazily and thus has much less inodes to check in the typical case.
>
> I used your provided snap to do a few installations with VMs. The
> following things worked as expected:
>
> * Default install on one disk
> * Install on softraid crypto disk
> * Install on softraid 1 with two disks below
>
> I verified each time with dumpfs that FFS2 was used indeed.
>
> I also checked out a large git repo on the first VM into /home and
> pulled the plug to see how fsck behaves. After reboot, fsck marked / as
> clean and then I saw the message that init changed the secure level from
> 0 to 1, but nothing more happened. I could type so the system was not
> hanging, however, it was also not checking /home (which I expected). I
> waited for 5 minutes, pulled the plug again and the fsck worked as
> normal and the system booted to the login prompt.
>
> I did that multiple times and each time it stopped on the first run.
> After power cycling, everything worked as expected and ... wow, fsck on
> FFS2 is indeed fast.
>
> Cheers
>
> Matthias
Thanks for testing. I am seeing the same problem if I do a vmctl stop
-f of a VM. After that, / gets fscked followed by a hang. Another reset
fixes things. Going to check if this happens with a standard snap.
-Otto
