[ceph-users] Re: concept of ceph and 2 datacenters

2024-02-23 Thread ronny . lippold
hi vladimir, thanks for answering ... of cause, we will build an 3 dc (tiebraker or server) setup. i'm not sure, what to do with "disaster recovery". is it real, that a ceph cluster can be completly broken? kind regards, ronny -- Ronny Lippold System Administrator -- Spark 5 GmbH Rheinstr.

[ceph-users] Re: concept of ceph and 2 datacenters

2024-02-14 Thread Anthony D'Atri
Notably, the tiebreaker should be in a third location. > On Feb 14, 2024, at 05:16, Peter Sabaini wrote: > > On 14.02.24 06:59, Vladimir Sigunov wrote: >> Hi Ronny, >> This is a good starting point for your design. >> https://docs.ceph.com/en/latest/rados/operations/stretch-mode/ >> >> My

[ceph-users] Re: concept of ceph and 2 datacenters

2024-02-14 Thread Peter Sabaini
On 14.02.24 06:59, Vladimir Sigunov wrote: > Hi Ronny, > This is a good starting point for your design. > https://docs.ceph.com/en/latest/rados/operations/stretch-mode/ > > My personal experience says that 2 DC Ceph deployment could suffer from a > 'split brain' situation. If you have any chance

[ceph-users] Re: concept of ceph and 2 datacenters

2024-02-13 Thread Vladimir Sigunov
Hi Ronny, This is a good starting point for your design. https://docs.ceph.com/en/latest/rados/operations/stretch-mode/ My personal experience says that 2 DC Ceph deployment could suffer from a 'split brain' situation. If you have any chance to create a 3 DC configuration, I would suggest to