Minfei Huang <mhuang(a)redhat.com> wrote on 10/27/2014 11:40:58:
From: Minfei Huang <mhuang(a)redhat.com>
To: Michael Holzheu/Germany/IBM@IBMDE,
Cc: Dave Young <dyoung(a)redhat.com>, kexec(a)lists.fedoraproject.org,
Michael Veigel/Germany/Contr/IBM@IBMDE
Date: 10/27/2014 11:41
Subject: Re: [PATCH] kexec-kdump-howto: Add the instruction of the
dasd on System-z
On 10/27/14 at 11:31am, Michael Holzheu wrote:
> Dave Young <dyoung(a)redhat.com> wrote on 10/27/2014 09:26:11:
> [snip]
> > > Some one has no idea how the kdump brings up the devices during the
2nd
> > > kernel boots.
> > >
> > > The initramfs contains the copy of /etc/dasd.conf, and the
> > > kernel will bring up devices which specify in the /etc/dasd.conf.
> > >
> > > Signed-off-by: Minfei Huang <mhuang(a)redhat.com>
> > > ---
> > > kexec-kdump-howto.txt | 5 +++++
> > > 1 file changed, 5 insertions(+)
> > >
> > > diff --git a/kexec-kdump-howto.txt b/kexec-kdump-howto.txt
> > > index 5582e40..0fd2a41 100644
> > > --- a/kexec-kdump-howto.txt
> > > +++ b/kexec-kdump-howto.txt
> > > @@ -245,6 +245,11 @@ the Blade Management Console. Select the
> > corresponding blade for which you want
> > > to initate the dump and then click "Restart blade with NMI".
This
> issues a
> > > system reset and invokes xmon debugger.
> > >
> > > +6) System-z specific methods:
> >
> > For architecture name under linux maybe "s390x" should be better,
> > even for IBM they specify it
> > as "System z" without the dash.
>
> You are right the spelling is "System z" without the dash.
> Or also s390x or s390 might be ok, if this is your standard term for
> mainframe online documentation.
>
> >
> > > +
> > > +Specify the device option in the /etc/dasd.conf to bring up the
> > device which
> > > +you want during the kernel boots.
> > > +
> >
>
> I assume that this is related to bugzillas 1145315 (RHEL6) / 1151895
> (RHEL7), correct?
>
> Shouldn't the text be something like:
>
> You have to specify all required DASDs for your kdump configuration in
> the /etc/dasd.conf file.
>
>
>
> Besides of that I think it is not sufficient to document this in
> kexec-kdump-howto.txt.
>
> IMHO, this has to be documented in the official RHEL (kdump/dasd)
> documentation.
>
Thanks Michael.
We will modify the howto.
Ok, and what about the official documentation?
Michael