Hi,
as I am planning to set up a ceph cluster with 6 OSD nodes with 10
harddisks in each node, could you please give me some advice about
hardware selection? CPU? RAM?
I am planning a 10 GBit/s public and a separate 10 GBit/s private network.
For a smaller test cluster with 5 OSD nodes and 4 harddisks each, 2
GBit/s public and 4 GBit/s private network, I already tested this using
core i5 boxes 16GB RAM installed. In most of my test scenarios including
load, node failure, backfilling, etc. the CPU usage was not at all the
bottleneck with a maximum of about 25% load per core. The private
network was also far from being fully loaded.
It would be really great to get some advice about hardware choices for
my newly planned setup.
Thanks very much and regards,
Mike
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