Basic documentation for hypervisor-assisted dump.
Signed-off-by: Linas Vepstas <[EMAIL PROTECTED]>
Signed-off-by: Manish Ahuja <[EMAIL PROTECTED]>
Documentation/powerpc/phyp-assisted-dump.txt | 127 +++
1 file changed, 127 insertions(+)
Index: 2.6.25-rc1/Documenta
Basic documentation for hypervisor-assisted dump.
Signed-off-by: Linas Vepstas <[EMAIL PROTECTED]>
Signed-off-by: Manish Ahuja <[EMAIL PROTECTED]>
Documentation/powerpc/phyp-assisted-dump.txt | 127 +++
1 file changed, 127 insertions(+)
Index: 2.6.24-rc5/Documentat
Basic documentation for hypervisor-assisted dump.
Signed-off-by: Linas Vepstas <[EMAIL PROTECTED]>
Signed-off-by: Manish Ahuja <[EMAIL PROTECTED]>
Documentation/powerpc/phyp-assisted-dump.txt | 129 +++
1 file changed, 129 insertions(+)
Index: 2.6.24-rc5/Documentat
On 13/01/2008, Olof Johansson <[EMAIL PROTECTED]> wrote:
>
> How do you expect to have it in full production if you don't have all
> resources available for it? It's not until the dump has finished that you
> can return all memory to the production environment and use it.
With the PHYP dump, each
On Fri, Jan 11, 2008 at 10:57:51AM -0600, Linas Vepstas wrote:
> On 10/01/2008, Nathan Lynch <[EMAIL PROTECTED]> wrote:
> > Mike Strosaker wrote:
> > >
> > > At the risk of repeating what others have already said, the
> > > PHYP-assistance
> > > method provides some advantages that the kexec metho
On 10/01/2008, Nathan Lynch <[EMAIL PROTECTED]> wrote:
> Mike Strosaker wrote:
> >
> > At the risk of repeating what others have already said, the PHYP-assistance
> > method provides some advantages that the kexec method cannot:
> > - Availability of the system for production use before the dump d
Mike Strosaker wrote:
>
> At the risk of repeating what others have already said, the PHYP-assistance
> method provides some advantages that the kexec method cannot:
> - Availability of the system for production use before the dump data is
> collected. As was mentioned before, some production
Linas Vepstas wrote:
> On 10/01/2008, Olof Johansson <[EMAIL PROTECTED]> wrote:
>
>>On Wed, Jan 09, 2008 at 10:12:13PM -0600, Linas Vepstas wrote:
>>
>>>On 09/01/2008, Olof Johansson <[EMAIL PROTECTED]> wrote:
>>>
On Wed, Jan 09, 2008 at 08:33:53PM -0600, Linas Vepstas wrote:
>He
On 10/01/2008, Olof Johansson <[EMAIL PROTECTED]> wrote:
> On Wed, Jan 09, 2008 at 10:12:13PM -0600, Linas Vepstas wrote:
> > On 09/01/2008, Olof Johansson <[EMAIL PROTECTED]> wrote:
> > > On Wed, Jan 09, 2008 at 08:33:53PM -0600, Linas Vepstas wrote:
> > >
> > > > Heh. That's the elbow-grease of t
On Wed, Jan 09, 2008 at 10:12:13PM -0600, Linas Vepstas wrote:
> On 09/01/2008, Olof Johansson <[EMAIL PROTECTED]> wrote:
> > On Wed, Jan 09, 2008 at 08:33:53PM -0600, Linas Vepstas wrote:
> >
> > > Heh. That's the elbow-grease of this thing. The easy part is to get
> > > the core function working
On Wed, 2008-01-09 at 22:12 -0600, Linas Vepstas wrote:
> On 09/01/2008, Olof Johansson <[EMAIL PROTECTED]> wrote:
> > On Wed, Jan 09, 2008 at 08:33:53PM -0600, Linas Vepstas wrote:
> >
> > > Heh. That's the elbow-grease of this thing. The easy part is to get
> > > the core function working. The h
On 09/01/2008, Olof Johansson <[EMAIL PROTECTED]> wrote:
> On Wed, Jan 09, 2008 at 08:33:53PM -0600, Linas Vepstas wrote:
>
> > Heh. That's the elbow-grease of this thing. The easy part is to get
> > the core function working. The hard part is to test these various configs,
> > and when they don't
On Wed, 2008-01-09 at 20:47 -0600, Linas Vepstas wrote:
> On 09/01/2008, Michael Ellerman <[EMAIL PROTECTED]> wrote:
> >
> > > > Only if you can get at rtas, but you can't get at rtas at that point.
> >
> > AFAICT you don't need to get at RTAS, you just need to look at the
> > device tree to see if
On Wed, Jan 09, 2008 at 08:33:53PM -0600, Linas Vepstas wrote:
> Heh. That's the elbow-grease of this thing. The easy part is to get
> the core function working. The hard part is to test these various configs,
> and when they don't work, figure out what went wrong. That will take
> perseverence a
On 09/01/2008, Michael Ellerman <[EMAIL PROTECTED]> wrote:
>
> > > Only if you can get at rtas, but you can't get at rtas at that point.
>
> AFAICT you don't need to get at RTAS, you just need to look at the
> device tree to see if the property is present, and that is trivial.
>
> You probably just
On 09/01/2008, Nathan Lynch <[EMAIL PROTECTED]> wrote:
> Hi Linas,
>
> Linas Vepstas wrote:
> >
> > As a side effect, the system is in
> > production *while* the dump is being taken;
>
> A dubious feature IMO.
Hmm. Take it up with Ken Rozendal, this is supposed to be
one of the two main selling p
> It's in "production" with 256MB of RAM? Err. Sure as the dump progresses
> more RAM will be freed, but that's hardly production. I think Nathan's
> right, any sysadmin who wants predictability will probably double reboot
> anyway.
Thats a changeable parameter. Its something we chose for now. It
On Wed, 2008-01-09 at 12:44 -0600, Nathan Lynch wrote:
> Hi Linas,
>
> Linas Vepstas wrote:
> >
> > On 08/01/2008, Nathan Lynch <[EMAIL PROTECTED]> wrote:
> > > Manish Ahuja wrote:
> > > > +
> > > > +The goal of hypervisor-assisted dump is to enable the dump of
> > > > +a crashed system, and to d
>
> I used the word "actually". I already know that it is intended to be
> faster. :)
>
>> it should blow it away, as, after all,
>> it requires one less reboot!
>
> There's more than rebooting going on during system dump processing.
> Depending on the system type, booting may not be where mos
Hi Linas,
Linas Vepstas wrote:
>
> On 08/01/2008, Nathan Lynch <[EMAIL PROTECTED]> wrote:
> > Manish Ahuja wrote:
> > > +
> > > +The goal of hypervisor-assisted dump is to enable the dump of
> > > +a crashed system, and to do so from a fully-reset system, and
> > > +to minimize the total elapsed
Hi Nathan,
Thank you for looking at this.
On 08/01/2008, Nathan Lynch <[EMAIL PROTECTED]> wrote:
> Manish Ahuja wrote:
> > +
> > + Hypervisor-Assisted Dump
> > +
> > + November 2007
>
> Date is unneeded (and, uhm,
On Tue, 2008-01-08 at 22:29 -0600, Nathan Lynch wrote:
> Manish Ahuja wrote:
> > +
> > + Hypervisor-Assisted Dump
> > +
> > + November 2007
>
> Date is unneeded (and, uhm, dated :)
>
>
> > +The goal of hypervisor-
Manish Ahuja wrote:
> +
> + Hypervisor-Assisted Dump
> +
> + November 2007
Date is unneeded (and, uhm, dated :)
> +The goal of hypervisor-assisted dump is to enable the dump of
> +a crashed system, and to do so fr
Basic documentation for hypervisor-assisted dump.
Signed-off-by: Linas Vepstas <[EMAIL PROTECTED]>
Signed-off-by: Manish Ahuja <[EMAIL PROTECTED]>
Documentation/powerpc/phyp-assisted-dump.txt | 129 +++
1 file changed, 129 insertions(+)
Index: 2.6.24-rc5/Documenta
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