Re: Rbd mirror

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hello Arthur,
I meant :

Cluster B  pool name pool-clutser-B mirrored on Cluster A
Cluster C pool name pool-clutser-C mirrored on Cluster A

So on cluster A I should have two rbd-mirror daemons
Ignazio

Il giorno ven 1 ott 2021 alle ore 13:35 Arthur Outhenin-Chalandre <
arthur.outhenin-chalandre@xxxxxxx> ha scritto:

> Hi,
>
> On 10/1/21 11:25, Eugen Block wrote:
> > I don't know for sure but I believe you can have only one rbd mirror
> > daemon per cluster. So you can either configure one-way or two-way
> > mirroring between two clusters. With your example the third cluster
> > would then require two mirror daemons which is not possible AFAIK. I
> > can't tell if there's any development going on in that direction, so
> > my answer would be "no, you can't do that".
>
> I am not sure if this is what you meant, but actually you can have
> multiple rbd-mirror daemons per cluster. It's the number of peers that
> are limited to one remote peer per pool. So technically if using
> different pools, you should be able to have three clusters connected as
> long as you have only one remote peer per pool. I never tested it though...
>
> For further multi-peer support, I am currently working on adding support
> for it! We are interested by the possibility of adding a second remote
> peer to facilitate migration of the replication process to a third
> cluster without stopping the replication to the remote cluster.
>
> Cheers,
>
> --
> Arthur Outhenin-Chalandre
> _______________________________________________
> ceph-users mailing list -- ceph-users@xxxxxxx
> To unsubscribe send an email to ceph-users-leave@xxxxxxx
>
_______________________________________________
ceph-users mailing list -- ceph-users@xxxxxxx
To unsubscribe send an email to ceph-users-leave@xxxxxxx



[Index of Archives]     [Information on CEPH]     [Linux Filesystem Development]     [Ceph Development]     [Ceph Large]     [Ceph Dev]     [Linux USB Development]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [xfs]


  Powered by Linux