On 10/05/2016 19:31, James Bottomley wrote:
> > What about a SPACE ALLOCATION FAILED error or a similar error that
> > can be fixed by administrator actions (or just by a concurrent
> > process doing an UNMAP)? Would a subsequent cache flush cause data
> > loss?
>
> You're now asking about how
On Tue, 2016-05-10 at 18:42 +0200, Paolo Bonzini wrote:
>
> On 10/05/2016 16:16, James Bottomley wrote:
> > > If "is performed" just means "completes", maybe with an error,
> > > the application would have to resubmit write requests and then
> > > try to flush the write cache again.
> > >
> > >
On 10/05/2016 16:16, James Bottomley wrote:
> > If "is performed" just means "completes", maybe with an error, the
> > application would have to resubmit write requests and then try to
> > flush the write cache again.
> >
> > I'm not aware of applications that keep acknowledged write data
> >
On Tue, 2016-05-10 at 14:47 +0100, Stefan Hajnoczi wrote:
> SBC-3 4.15.3 Write caching says:
>
> "If processing a write command results in logical block data in cache
> that is different from the logical block data on the medium, then the
> device server shall retain that logical block data in cac
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