[ovirt-users] Re: Can anyone explain what gluster 4k support is?

2020-03-17 Thread Vojtech Juranek
> Is there performance improvements using larger block size?

yes, it *should* give you better performance

> On Tue, Mar 17, 2020 at 5:29 AM Vojtech Juranek  wrote:
> > On pondělí 16. března 2020 22:53:32 CET Strahil Nikolov wrote:
> > > On March 16, 2020 11:08:16 PM GMT+02:00, Vojtech Juranek
> > 
> >  wrote:
> > > >On středa 11. března 2020 21:13:13 CET Jayme wrote:
> > > >> I noticed Gluster 4k support mentioned in recent oVirt release notes.
> > > >
> > > >Can
> > > >
> > > >> anyone explain what this is about?
> > > >
> > > >before we supported only disks with block size 512 B. Now, we support
> > > >also
> > > >disks with 4 kB (aka 4k), for now only on Gluster SD. If you want to
> > > >learn more about
> > > >this feature, you can check slides [1] and I noticed that videos
> > > >recording of
> > > >Nir's talk he had on Fosdem is already available, so you can watch
> > > >whole
> > > >talk [2].
> > > >
> > > >Vojta
> > > >
> > > >[1]
> > 
> > https://docs.google.com/presentation/d/1ClLMZ4XAb8CPhYOw6mNpv0va5JWcAgpyFb
> > J
> > 
> > > >n-Bml_aY/ [2] https://video.fosdem.org/2020/H.1309/vai_ovirt_4k.webm
> > > 
> > > Can I switch off VDO's 512byte emulation ?
> > 
> > yes, now Gluster SD should work without 512 block size
> > emulation___
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> > ABLDHQAO2M53G3SC4E2U/



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[ovirt-users] Re: Can anyone explain what gluster 4k support is?

2020-03-17 Thread Jayme
Is there performance improvements using larger block size?

On Tue, Mar 17, 2020 at 5:29 AM Vojtech Juranek  wrote:

> On pondělí 16. března 2020 22:53:32 CET Strahil Nikolov wrote:
> > On March 16, 2020 11:08:16 PM GMT+02:00, Vojtech Juranek
>  wrote:
> > >On středa 11. března 2020 21:13:13 CET Jayme wrote:
> > >> I noticed Gluster 4k support mentioned in recent oVirt release notes.
> > >
> > >Can
> > >
> > >> anyone explain what this is about?
> > >
> > >before we supported only disks with block size 512 B. Now, we support
> > >also
> > >disks with 4 kB (aka 4k), for now only on Gluster SD. If you want to
> > >learn more about
> > >this feature, you can check slides [1] and I noticed that videos
> > >recording of
> > >Nir's talk he had on Fosdem is already available, so you can watch
> > >whole
> > >talk [2].
> > >
> > >Vojta
> > >
> > >[1]
> > >
> https://docs.google.com/presentation/d/1ClLMZ4XAb8CPhYOw6mNpv0va5JWcAgpyFbJ
> > >n-Bml_aY/ [2] https://video.fosdem.org/2020/H.1309/vai_ovirt_4k.webm
> >
> > Can I switch off VDO's 512byte emulation ?
>
> yes, now Gluster SD should work without 512 block size
> emulation___
> Users mailing list -- users@ovirt.org
> To unsubscribe send an email to users-le...@ovirt.org
> Privacy Statement: https://www.ovirt.org/privacy-policy.html
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> https://www.ovirt.org/community/about/community-guidelines/
> List Archives:
> https://lists.ovirt.org/archives/list/users@ovirt.org/message/LEG5DXY3A5HSABLDHQAO2M53G3SC4E2U/
>
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[ovirt-users] Re: Can anyone explain what gluster 4k support is?

2020-03-17 Thread Vojtech Juranek
On pondělí 16. března 2020 22:53:32 CET Strahil Nikolov wrote:
> On March 16, 2020 11:08:16 PM GMT+02:00, Vojtech Juranek 
 wrote:
> >On středa 11. března 2020 21:13:13 CET Jayme wrote:
> >> I noticed Gluster 4k support mentioned in recent oVirt release notes.
> >
> >Can
> >
> >> anyone explain what this is about?
> >
> >before we supported only disks with block size 512 B. Now, we support
> >also
> >disks with 4 kB (aka 4k), for now only on Gluster SD. If you want to
> >learn more about
> >this feature, you can check slides [1] and I noticed that videos
> >recording of
> >Nir's talk he had on Fosdem is already available, so you can watch
> >whole
> >talk [2].
> >
> >Vojta
> >
> >[1]
> >https://docs.google.com/presentation/d/1ClLMZ4XAb8CPhYOw6mNpv0va5JWcAgpyFbJ
> >n-Bml_aY/ [2] https://video.fosdem.org/2020/H.1309/vai_ovirt_4k.webm
> 
> Can I switch off VDO's 512byte emulation ?

yes, now Gluster SD should work without 512 block size emulation

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[ovirt-users] Re: Can anyone explain what gluster 4k support is?

2020-03-16 Thread Strahil Nikolov
On March 16, 2020 11:08:16 PM GMT+02:00, Vojtech Juranek  
wrote:
>On středa 11. března 2020 21:13:13 CET Jayme wrote:
>> I noticed Gluster 4k support mentioned in recent oVirt release notes.
>Can
>> anyone explain what this is about?
>
>before we supported only disks with block size 512 B. Now, we support
>also 
>disks with 4 kB (aka 4k), for now only on Gluster SD. If you want to
>learn more about
>this feature, you can check slides [1] and I noticed that videos
>recording of
>Nir's talk he had on Fosdem is already available, so you can watch
>whole
>talk [2].
>
>Vojta
>
>[1]
>https://docs.google.com/presentation/d/1ClLMZ4XAb8CPhYOw6mNpv0va5JWcAgpyFbJn-Bml_aY/
>[2] https://video.fosdem.org/2020/H.1309/vai_ovirt_4k.webm

Can I switch off VDO's 512byte emulation ?

Best Regards,
Strahil Nikolov
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[ovirt-users] Re: Can anyone explain what gluster 4k support is?

2020-03-16 Thread Vojtech Juranek
On středa 11. března 2020 21:13:13 CET Jayme wrote:
> I noticed Gluster 4k support mentioned in recent oVirt release notes. Can
> anyone explain what this is about?

before we supported only disks with block size 512 B. Now, we support also 
disks with 4 kB (aka 4k), for now only on Gluster SD. If you want to learn more 
about
this feature, you can check slides [1] and I noticed that videos recording of
Nir's talk he had on Fosdem is already available, so you can watch whole
talk [2].

Vojta

[1] 
https://docs.google.com/presentation/d/1ClLMZ4XAb8CPhYOw6mNpv0va5JWcAgpyFbJn-Bml_aY/
[2] https://video.fosdem.org/2020/H.1309/vai_ovirt_4k.webm

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