Hi,
Hapy to report that we recently upgraded our three-host 24 OSD cluster
from HDD filestore to SSD BlueStore. After a few months of use, their
WEAR is still at 1%, and the cluster performance ("rados bench" etc) has
dramatically improved. So all in all: yes, we're happy Samsung PM883
ceph users. :-)
We currently have a "meshed" ceph setup, with the three hosts connected
directly to each other over 10G ethernet, as described here:
https://pve.proxmox.com/wiki/Full_Mesh_Network_for_Ceph_Server#Method_2_.28routed.29
As we would like to be able to add more storage hosts, we need to loose
the meshed network setup.
My idea is to add two stacked 10G ethernet switches to the setup, so we
can start using lacp bonded networking over two physical switches.
Looking around, we can get refurb Cisco Small Business 550X for around
1300 euro. We also noticed that mikrotik and TP-Link have some even
nicer-priced 10G switches, but those all lack bonding. :-(
Therfore I'm asking here: anyone here with suggestions on what to look
at, for nice-priced 10G stackable switches..?
We would like to continue using ethernet, as we use that everywhere, and
also performance-wise we're happy with what we currently have.
Last december I wrote to mikrotik support, asking if they will support
stacking / LACP any time soon, and their answer was: probably 2nd half
of 2021.
So, anyone here with interesting insights to share for ceph 10G ethernet
storage networking?
Thanks,
MJ
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