[master/f21/rhel7-branch] No more /boot on LVM for you, s390x!

Dan Horák dan at danny.cz
Tue Sep 30 08:07:55 UTC 2014


On Mon, 29 Sep 2014 13:34:06 -0400
"Samantha N. Bueno" <sbueno+anaconda at redhat.com> wrote:

> On Mon, Sep 29, 2014 at 06:00:51PM +0200, Dan Horák wrote:
> > On Mon, 29 Sep 2014 10:28:11 -0400
> > Chris Lumens <clumens at redhat.com> wrote:
> > 
> > > > This caused too many stupid problems, and it is pointless
> > > > anyway, because /boot had to be restricted to a single PV. So,
> > > > just make /boot on a partition instead.
> > > > 
> > > > I guess I need to make a blivet bug for this and reference that
> > > > in the msg instead of the anaconda bug. Or do I? I'll find out.
> > > 
> > > ACK.
> > 
> > no objections, but it should get documented as generally the
> > bootloader supports /boot on LV under some conditions
>  
> Sure thing. I'm just curious though, would you mind explaining what
> "some conditions" since I don't believe I know? I can clone this bug

There is a section called "Logical devices" in zipl(8) man page and
also a section "Preparing a logical device as a boot device" under
chapter "Chapter 40. Initial program loader for System z - zipl" in the
"Device Drivers, Features, and Commands" book [1]

> so the docs team is aware of the changes, but actually, even going
> through them right now, it says /boot on LVM is not actually
> supported: "Warning
> Placing the /boot partition on an LVM volume is not supported." 
> https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Installation_Guide/sect-disk-partitioning-setup-s390.html#sect-create-lvm-s390
> 
> and here:
> "For each new mount point you create manually, you can set its
> partitioning scheme from the drop-down menu located in the left pane.
> The available options are Standard Partition, BTRFS, LVM, and LVM Thin
> Provisioning. Note that the /boot partition will always be located on
> a standard partition, regardless on the value selected in this menu."
> https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Installation_Guide/sect-disk-partitioning-setup-s390.html#sect-partition-configuration-s390
> 
> So I'm not actually sure that docs needs to make any changes here.

yeah, sounds the docs are OK

[1] http://public.dhe.ibm.com/software/dw/linux390/docu/l314dd24.pdf


		Dan


More information about the anaconda-patches mailing list