Re: -only-migrate and the two different uses of migration blockers

2021-11-02 Thread Juan Quintela
David Gibson wrote: > On Tue, Jul 20, 2021 at 07:30:16AM +0200, Markus Armbruster wrote: > > Right, it may well have been the first usage this way, this fwnmi > stuff isn't super old. > >> >> While this isn't exactly terrible, it may be a weakness in our thinking >> >> and our infrastructure. I'm

Re: -only-migrate and the two different uses of migration blockers

2021-11-02 Thread Juan Quintela
Markus Armbruster wrote: > We appear to use migration blockers in two ways: > > (1) Prevent migration for an indefinite time, typically due to use of > some feature that isn't compatible with migration. > > (2) Delay migration for a short time. > > Option -only-migrate is designed for (1). It int

Re: -only-migrate and the two different uses of migration blockers

2021-07-24 Thread David Gibson
On Thu, Jul 22, 2021 at 07:00:56PM +0100, Dr. David Alan Gilbert wrote: > * David Gibson (da...@gibson.dropbear.id.au) wrote: > > On Tue, Jul 20, 2021 at 07:30:16AM +0200, Markus Armbruster wrote: > > > "Dr. David Alan Gilbert" writes: > > > > > > > * Markus Armbruster (arm...@redhat.com) wrote:

Re: -only-migrate and the two different uses of migration blockers

2021-07-22 Thread Dr. David Alan Gilbert
* David Gibson (da...@gibson.dropbear.id.au) wrote: > On Tue, Jul 20, 2021 at 07:30:16AM +0200, Markus Armbruster wrote: > > "Dr. David Alan Gilbert" writes: > > > > > * Markus Armbruster (arm...@redhat.com) wrote: > > >> We appear to use migration blockers in two ways: > > >> > > >> (1) Prevent

Re: -only-migrate and the two different uses of migration blockers

2021-07-20 Thread David Gibson
On Tue, Jul 20, 2021 at 07:30:16AM +0200, Markus Armbruster wrote: > "Dr. David Alan Gilbert" writes: > > > * Markus Armbruster (arm...@redhat.com) wrote: > >> We appear to use migration blockers in two ways: > >> > >> (1) Prevent migration for an indefinite time, typically due to use of > >> so

Re: -only-migrate and the two different uses of migration blockers

2021-07-19 Thread Markus Armbruster
"Dr. David Alan Gilbert" writes: > * Markus Armbruster (arm...@redhat.com) wrote: >> We appear to use migration blockers in two ways: >> >> (1) Prevent migration for an indefinite time, typically due to use of >> some feature that isn't compatible with migration. >> >> (2) Delay migration for a

Re: -only-migrate and the two different uses of migration blockers (was: spapr_events: Sure we may ignore migrate_add_blocker() failure?)

2021-07-19 Thread Dr. David Alan Gilbert
* Markus Armbruster (arm...@redhat.com) wrote: > We appear to use migration blockers in two ways: > > (1) Prevent migration for an indefinite time, typically due to use of > some feature that isn't compatible with migration. > > (2) Delay migration for a short time. > > Option -only-migrate is d

-only-migrate and the two different uses of migration blockers (was: spapr_events: Sure we may ignore migrate_add_blocker() failure?)

2021-07-19 Thread Markus Armbruster
We appear to use migration blockers in two ways: (1) Prevent migration for an indefinite time, typically due to use of some feature that isn't compatible with migration. (2) Delay migration for a short time. Option -only-migrate is designed for (1). It interferes with (2). Example for (1): dev