| Message ID | 20110707130449.5618db41@doriath |
|---|---|
| State | New |
| Headers | show |
Am 07.07.2011 18:04, schrieb Luiz Capitulino: > > Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> > --- > qemu-options.hx | 5 +++++ > 1 files changed, 5 insertions(+), 0 deletions(-) > > diff --git a/qemu-options.hx b/qemu-options.hx > index e6d7adc..5f16a78 100644 > --- a/qemu-options.hx > +++ b/qemu-options.hx > @@ -160,6 +160,11 @@ an untrusted format header. > This option specifies the serial number to assign to the device. > @item addr=@var{addr} > Specify the controller's PCI address (if=virtio only). > +@item werror=@var{action},rerror=@var{action} > +Specify which @var{action} to take on write and read errors. Valid actions are: > +"ignore" (ignore the error and try to continue), "stop" (pause QEMU), > +"enospc" (pause QEMU, but only on no space conditions), Maybe "pause QEMU only if the host disk is full; report the error to the guest otherwise"? > +"report" (report the error to the guest). > @end table > > By default, writethrough caching is used for all block device. This means that We should mention that werror=enospc and rerror=report is the default. Kevin
On Fri, 08 Jul 2011 10:18:17 +0200 Kevin Wolf <kwolf@redhat.com> wrote: > Am 07.07.2011 18:04, schrieb Luiz Capitulino: > > > > Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> > > --- > > qemu-options.hx | 5 +++++ > > 1 files changed, 5 insertions(+), 0 deletions(-) > > > > diff --git a/qemu-options.hx b/qemu-options.hx > > index e6d7adc..5f16a78 100644 > > --- a/qemu-options.hx > > +++ b/qemu-options.hx > > @@ -160,6 +160,11 @@ an untrusted format header. > > This option specifies the serial number to assign to the device. > > @item addr=@var{addr} > > Specify the controller's PCI address (if=virtio only). > > +@item werror=@var{action},rerror=@var{action} > > +Specify which @var{action} to take on write and read errors. Valid actions are: > > +"ignore" (ignore the error and try to continue), "stop" (pause QEMU), > > +"enospc" (pause QEMU, but only on no space conditions), > > Maybe "pause QEMU only if the host disk is full; report the error to the > guest otherwise"? Works for me. > > +"report" (report the error to the guest). > > @end table > > > > By default, writethrough caching is used for all block device. This means that > > We should mention that werror=enospc and rerror=report is the default. I did that in my first private first, but I dropped when I realized that we don't document defaults for the other options.
diff --git a/qemu-options.hx b/qemu-options.hx index e6d7adc..5f16a78 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -160,6 +160,11 @@ an untrusted format header. This option specifies the serial number to assign to the device. @item addr=@var{addr} Specify the controller's PCI address (if=virtio only). +@item werror=@var{action},rerror=@var{action} +Specify which @var{action} to take on write and read errors. Valid actions are: +"ignore" (ignore the error and try to continue), "stop" (pause QEMU), +"enospc" (pause QEMU, but only on no space conditions), +"report" (report the error to the guest). @end table By default, writethrough caching is used for all block device. This means that
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> --- qemu-options.hx | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)