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,
Rafał Wądołowski
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