Re: Migrating/Realocating ceph cluster

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I asked the same not so long ago, check archive, quite usefull replies.

 

-----Original Message-----
Sent: 19 February 2020 14:20
To: ceph-users@xxxxxxx
Subject:  Migrating/Realocating ceph cluster

Hi,

I am looking for a good way of migrating/realocating ceph cluster. It 
has about 2PB net, mainly RBD, but object storage is also used. The new 
location is far away about 1,500 kilometers. Of course I have to 
minimize the downtime of the cluster :)

Right now I see following scenarios:

 1. Build identical cluster. Freeze the source. Copy everything with
    cppool/rbd mirror. Relocate servers and the power on them.
 2. Run cluster mirroring over network.
 3. Using cache tier.

I'm starting research about this migration, so probably some of the 
solutions above are unfeasible.

Maybe somebody has experience about migration between DC?

Any new ideas? Thougths?

Every comment will be helpful

--
Regards,

Rafa Wdoowski

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