[oi-dev] [developer] suspend/resume in Illumos

Garrett D'Amore garrett at damore.org
Mon Jun 24 14:42:34 UTC 2019

That’s only true if you’re running on  a hypervisor that uses suspend / resume for live migration.  I’m not sure how widespread running illumos on VMware is – the absence of suspend/resume support means that nobody is benefiting from this particular capability today (at least with illumos).

Sent from Mail for Windows 10

From: DavidHalko
Sent: Monday, June 24, 2019 5:18 AM
To: illumos-developer
Cc: randyf at sibernet.com; oi-dev at openindiana.org
Subject: Re: [developer] suspend/resume in Illumos

Suspend and Resume is critical for live migration in a data center with external storage to reduce schedules downtime incurred with firmware updates to maintain a secure platform.

Thanks, David Halko

Sent from my iPhone

> On Jun 12, 2019, at 4:01 AM, Jim Klimov <jimklimov at cos.ru> wrote:
>> On June 11, 2019 9:29:23 PM UTC, randyf at sibernet.com wrote:
>>> On Tue, 11 Jun 2019, Toomas Soome via illumos-developer wrote:
>>> I’d say, anything to encourage people to try, use and join to develop
>> [illumos] is very welcome. Better laptop support will definitely be
>>> bonus.
>> Betting better graphics support would be higher on the list (yea, the 
>> other 'dropped' project).
>>  Cheers!
>>       ---- Randy
>>> Sent from my iPhone
>>> On 11 Jun 2019, at 22:58, Garrett D'Amore <garrett at damore.org> wrote:
>>> My gut instinct is that this isn’t that interesting – most everyone
>> is running illumos in either VMs, or in datacenter
>>> applications where suspend/resume has little if any applicability.
>>> While the work itself is probably interesting, and it may enable new
>> applications for illumos, the concern I’d have would be
>>> detraction from other more pressing work, without any clear use cases
>> for it.
>>> That said, if someone (you?) wanted to spend cycles on this for
>> personal satisfaction, I hardly see any reason to discourage it,
>>> and I’m fairly certain if the risks of the new code being introduced
>> are small (or well managed by sufficient testing for
>>> example), I can’t see any other reason we would reject a suitably
>> formed RTI.
>>> Sent from Mail for Windows 10
>>> From: randyf at sibernet.com
>>> Sent: Tuesday, June 11, 2019 11:10 AM
>>> To: oi-dev at openindiana.org; developer at lists.illumos.org
>>> Subject: [developer] suspend/resume in Illumos
>>> I have a question for developers here:
>>>     How important is suspend/resume for OI/Illumos (including S4)?
>>> One of the incomplete projects left behind was S4 (lack of need, and
>> a
>>> hard to identify bug stifled it's integration).  It is non-trivial,
>> and
>>> needs updated s/r core code (added configuration and significant
>>> restructuring, as well as likely assistance from developers
>> knowlegable in
>>> other Illumos internals), but if this is an uninteresting feature, it
>> is
>>> likey not worth the effort (recent bugs suggest that few if anyone
>> use
>>> it); however, it wouldn't be too hard to resurect (though would still
>> take
>>> several months of work).
>>>    Cheers!
>>>         ---- Randy
>>> illumos / illumos-developer / see discussions + participants +
>> delivery options Permalink
>> ------------------------------------------
>> illumos: illumos-developer
>> Permalink:
>> https://illumos.topicbox.com/groups/developer/Tb3e65f5ac470e30c-Ma4a7672659b46c13f040eb9e
>> Delivery options:
>> https://illumos.topicbox.com/groups/developer/subscription
> For my 2c, I have to use OI in a VM rather than baremetal on my laptop (would love to some day; it is part of my daily desktop for years now) because of a mix of these issues. While graphics and wifi drivers might be worked around by careful choice of hardware for a new rig, effective lack of sleep/hibernate is a big problem.
> My sessions of desktop OS uptime tend to be weeks and months long, many apps and tabs open... so rebooting every morning is not quite an option.
> Jim
> --
> Typos courtesy of K-9 Mail on my Android

illumos: illumos-developer
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