On 04/07/2010 05:27 PM, Hans de Goede wrote:
> We need to do something to make iscsi driver which need to be brought up
> manually available in rescue mode before we search for a / to rescue.
> There are 2 options:
> 1) Add some text mode UI stuff to do this
> 2) Make rescue mode graphical, and make rescue mode
> go through the filter UI.
> I think in the long run we will want to do 2). But I guess that is too late
> RHEL-6, so that we need to do 1) there.
> Any input / comments is appreciated. I'll try to make some time
> to work on 1) (if no-one yells no) in the next few days.
Having an "Add zFCP" dialog in text mode would be nice.
Realistically, on s390, we have early DASD activation in linuxrc.s390
and this did work with the latest RHEL6 compose I had access to. We also
have FCP_*="..." boot options. However, they are currently only
activated late in storage/zfcp.py. If that could be triggered for rescue
mode as well, then we would have at least a workaround for all disk
types on s390 and that would be great.
> About 2). I think this is the logical and best thing to do in the
> long run, given that we are already doing kms even in rescue mode,
> we are already making rescue mode dependent on having working graphics,
> so I don't see any big blockers here.
2) won't work if you only have serial lines or even line-mode terminals.
With the last RHEL6 compose I had access to, rescue mode worked fine on
s390 since it does not yet seem to depend on a frame buffer or the like
and I think this dependency should never happen. Otherwise you would
also need to support early network configuration to provide VNC/X11.
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