As I mentioned before, "reboot -f dryrun" is a project private
interface therefore the output is meant for developer consumption
only.
If actual "reboot" is issued, user will see the following output:
Jan 27 06:23:27 x39-4 genunix: WARNING: ixgbe has no quiesce()
reboot: Not all drivers have implemented quiesce(9E)
Please see /var/adm/messages for drivers that haven't
implemented quiesce(9E).
Before committing to exposing this interface, developers are encouraged
to review the possible failure conditions and associated error messages at
http://blogs.sun.com/sherrym/date/20090324
and the test matrix which includes verification of these messages at
http://jurassic-x4600.sfbay/~sherrym/projects/panic-reboot/test-matrix.txt
Sherry
On Wed, Feb 03, 2010 at 04:00:14PM -0500, Torrey McMahon wrote:
> Or even better which drivers aren't supporting quiesce on the system
> in question.
>
> On 2/3/2010 3:38 PM, Margot Miller wrote:
> >mm14424 at opensolaris:~$ pfexec reboot -f dryrun
> >reboot: not all drivers have implemented quiesce(9E)
> >mm14424 at opensolaris:~$
> >
> >It would be more customer/system admin friendly to state something
> >like "Fast reboot not supported on this machine" rather
> >than above message which assumes some knowledge
> >of device drivers and driver entry points.
> >
> >Margot
> >
> >
> >Garrett D'Amore wrote:
> >>On 02/ 3/10 11:12 AM, Sherry Moore wrote:
> >>>Garrett,
> >>>
> >>>It was by your request during PSARC review that "reboot -f dryrun" to
> >>>be a project private interface and therefore not to be documented in
> >>>the man pages.
> >>
> >>Hmm.. ok. I don't remember rightly why I would have requested
> >>that, but I presume I had a reason for it at the time.
> >>
> >>Perhaps its a good time to revisit that decision, since there
> >>seems to be some desire to have the ability to query this.
> >>
> >> - Garrett
> >>
> >>>Sherry
> >>>
> >>>On Wed, Feb 03, 2010 at 10:32:37AM -0800, Garrett D'Amore wrote:
> >>>>On 02/ 3/10 09:59 AM, Calum Mackay wrote:
> >>>>>On 03/02/10 17:38, chris kiick wrote:
> >>>>>>>>>How do I tell if my system has the "specific capabilities"
> >>>>>>>>>required for
> >>>>>>>>>fast reboot? Is there a command which can be run, or a
> >>>>>>>>>particular line in
> >>>>>>>>>prtconf, prtdiag or the like which tells me whether the
> >>>>>>>>>system is capable
> >>>>>>>>>of fast reboot?
> >>>>>>>>reboot -f dryrun shows whether your system is capable at all.
> >>>>>>> Lovely. Is that documented anywhere? I don't see it in the
> >>>>>>>man page for
> >>>>>>> reboot(1M). Seems like an ideal extension to the text you
> >>>>>>>proposed along the
> >>>>>>> lines of "To see if your system is capable of fast reboot,
> >>>>>>>run reboot -f
> >>>>>>> dryrun".
> >>>>>>dryrun only works on x86.
> >>>>>I don't see it mentioned in reboot(1) on an x86 system either.
> >>>>Its "undocumented", and IIRC, was not formally ARC'd as an interface.
> >>>>
> >>>> - Garrett
> >>>>>cheers,
> >>>>>calum.
> >>
> >
--
Sherry Moore, Solaris Core Kernel http://blogs.sun.com/sherrym
