[DRBD-user] Linstor global drbd-options

Rene Peinthor rene.peinthor at linbit.com
Wed Jul 25 09:39:24 CEST 2018


yeah the default units are directly from drbdsetup.

We'll try to improve the specifying of units and drbd-options for the next
version.

Best regards,
Rene

On Wed, Jul 25, 2018 at 9:35 AM kvaps <kvapss at gmail.com> wrote:

> I will answer myself, I found information about units on drbdsetup man
> page:
>
>  --c-plan-ahead plan_time
>     ...
>     The default values of these parameters are: c-plan-ahead = 20 (in
> units of 0.1 seconds), c-fill-target = 0 (in units of sectors),
> c-delay-target = 1 (in units of 0.1 seconds), and c-max-rate = 102400
> (in units of KiB/s).
>
> --c-min-rate min_rate
>     ...
>     The default value of c-min-rate is 4096, in units of KiB/s.
>
> So presume the next options will be equivalent:
>
>     linstor c drbd-options --c-plan-ahead=10 --c-min-rate=$((20*1024))
> --c-max-rate=$((720*1024)) --c-fill-target=$((10*1024))
>
> to this config:
>
>      disk {
>       c-fill-target 10M;
>       c-max-rate   720M;
>       c-plan-ahead   10;
>       c-min-rate    20M;
>      }
>
> Cheers and Thank You.
> - kvaps
>
>
> On Wed, Jul 25, 2018 at 9:15 AM, kvaps <kvapss at gmail.com> wrote:
> > Great, network options are fine.
> > But what about those options and their units:
> >
> >      disk {
> >       c-fill-target 10M;
> >       c-max-rate   720M;
> >       c-plan-ahead   10;
> >       c-min-rate    20M;
> >      }
> >
> > I didn't found any information about units used here in linstor, so I
> > presume bytes?
> > If so, then linstor reports that my value is out of range:
> >
> > # linstor c drbd-options --c-max-rate=$((720*1024*1024))
> > ...
> > linstor controller drbd-options: error: argument --c-max-rate: Range:
> > [250, 4194304]
> >
> >
> > - kvaps
> > - kvaps
> >
> >
> > On Wed, Jul 25, 2018 at 8:57 AM, Rene Peinthor <rene.peinthor at linbit.com>
> wrote:
> >> Currently you have to disable user security (as there is currently no
> way to
> >> authenticate) for global controller options, see:
> >>
> https://github.com/LINBIT/linbit-documentation/blob/master/UG9/en/administration-linstor.adoc#disable-user-security
> >>
> >> Setting those options globally for linstor resources should work with
> the
> >> `linstor controller drbd-options`, we have already
> >> an internal ticket to improve setting of drbd options as right now this
> is
> >> more a straight port from drbdmanage.
> >>
> >> --max-buffers MAX_BUFFERS
> >>                         Range: [32, 131072]; Default: 2048
> >> --sndbuf-size SNDBUF_SIZE
> >>                         Range: [0, 10485760]; Default: 0; Unit: bytes
> >> --rcvbuf-size RCVBUF_SIZE
> >>                         Range: [0, 10485760]; Default: 0; Unit: bytes
> >>
> >> Cheers,
> >> Rene
> >>
> >> On Wed, Jul 25, 2018 at 8:37 AM kvaps <kvapss at gmail.com> wrote:
> >>>
> >>> Hi Rene, thanks for answer.
> >>> Unfortunately I recieve the next error, when I try to set values:
> >>>
> >>>     # linstor c drbd-options --c-plan-ahead=10
> >>>     ERROR:
> >>>          Identity 'PUBLIC' using role: 'PUBLIC' is not authorized to
> >>> set a controller config property.
> >>>
> >>> Also If I understand it well, there is no way for setup
> >>> drbd-peer-options globally, like:
> >>>
> >>>     net {
> >>>       max-buffers     36k;
> >>>       sndbuf-size   1024k;
> >>>       rcvbuf-size   2048k;
> >>>     }
> >>>
> >>> Am, I right?
> >>> - kvaps
> >>>
> >>>
> >>> On Wed, Jul 25, 2018 at 7:24 AM, Rene Peinthor <
> rene.peinthor at linbit.com>
> >>> wrote:
> >>> > Hi!
> >>> >
> >>> > Yes, use the `linstor controller drbd-options` command.
> >>> > `linstor controller drbd-options -h` will list you all possible
> >>> > arguments.
> >>> >
> >>> > Cheers,
> >>> > Rene
> >>> >
> >>> > On Wed, Jul 25, 2018 at 7:20 AM kvaps <kvapss at gmail.com> wrote:
> >>> >>
> >>> >> Hi, is there any way for set global options via linstor?
> >>> >>
> >>> >> I mean which are can be set inside this file:
> >>> >> /var/lib/drbd.d/linstor_common.conf
> >>> >>
> >>> >> Thanks!
> >>> >> _______________________________________________
> >>> >> drbd-user mailing list
> >>> >> drbd-user at lists.linbit.com
> >>> >> http://lists.linbit.com/mailman/listinfo/drbd-user
> >>> >
> >>> >
> >>> >
> >>> > --
> >>> > René Peinthor - Software Developer
> >>> > +43-1-817-82-92 x54
> >>> > rene.peinthor at linbit.com
> >>> >
> >>> > LINBIT | Keeping the Digital World Running
> >>> > DRBD HA - Disaster Recovery - Software-defined Storage
> >>> > t / f / in / y / g+
> >>> >
> >>> > DRBD® and LINBIT® are registered trademarks of LINBIT, Austria.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.linbit.com/pipermail/drbd-user/attachments/20180725/4e136920/attachment.htm>


More information about the drbd-user mailing list