On Thu, Oct 01, 2015 at 04:56:55PM -0400, Ian Stakenvicius wrote:
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> On 01/10/15 04:16 PM, William Hubbs wrote:
> > On Thu, Oct 01, 2015 at 02:42:15PM -0400, Ian Stakenvicius
> > wrote:
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> >> Since this conversation is now technical rather than news-item 
> >> related, I've changed to a new thread.
> >> 
> >> On 01/10/15 02:17 PM, J. Roeleveld wrote:
> >>> On 1 October 2015 17:49:15 CEST, Mike Gilbert 
> >>> <floppym@gentoo.org> wrote:
> >>>>>>>>>> On 28/09/15 06:58 PM, William Hubbs wrote:
> >>>>>>>>>>> Also, we are dropping the use of the -O
> >>>>>>>>>>> switch for mount/umount -a. This is being
> >>>>>>>>>>> dropped because it is util-linux specific and
> >>>>>>>>>>> not compatible with busybox.
> >>>>>>>>>> 
> >>>> 
> >>>> The _netdev option is really there to support things like 
> >>>> iSCSI, where you are mounting a filesystem like ext4 from
> >>>> a block device which requires network connectivity.
> >>>> 
> >>>> I think some changes are needed here, because this change
> >>>> to localmount is quite like to break this usage.
> >>> 
> >>> All,
> >>> 
> >>> I had a thought. Not sure if this is possible and if it is,
> >>> it would mean a change to the fstab for people using iSCSI.
> >>> 
> >>> 1) Add an udev rule to name iSCSI devices differently.
> >>> (Currently sd??, maybe to something like scs??) 2) Have
> >>> 'localmount' ignore those entries in fstab. 3) Have
> >>> 'netmount' (or similar) mount those entries.
> >>> 
> >>> I haven't looked into the current scripts yet, so if this
> >>> doesn't make any sense at all, let me know. I will
> >>> investigate this more over the weekend.
> >>> 
> >> 
> >> At this point, we need to verify the whole reason for its
> >> removal is actually accurate -- it seems it was dropped due to
> >> bug 468600, which is about -O [no]_netdev not being recognized
> >> by busybox mount. However, there are comments in the bug and
> >> notes in busybox documentation which seems to indicate that -O
> >> support has been in busybox since 1.20.2, and current stable is
> >> 1.23.1-r1..  If the issue is still confirmed, then we can look
> >> into alternative methods of handling iscsi.
> > 
> > The original plan was to move to a point where everyone puts
> > _netdev in their fstab for network mounts on Linux so that we
> > don't have to track file system types like we do in OpenRC right
> > now.  On Linux,
> > 
> > mount -a -O _netdev
> > 
> > would mount all network file systems and
> > 
> > umount -a -O _netdev
> > 
> > would unmount them.  On busybox, the last time I checked, umount
> > -a doesn't support -O at all.
> > 
> 
> (putting aside the removal of the openrc net-fs list and the need to
> require -all- network mounts to need _netdev in /etc/fstab for a while
> )
> 
> When did you last check busybox?  Indications seem to be that
> busybox has received this support a few versions ago.  My quick
> 'busybox mount -v -a -O _netdev ; busybox mount -v -a -O no_netdev'
> seems to indicate it's supported fine with current stable busybox.
> So i think this removal can just be rolled back as it's based on
> obsolete knowledge.

Please read my statement above again; I said umount not mount. ;-)

William