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How do you guys provide shared storage for running VM's in your homelab?Currently, i run CEPH on Proxmox but write performance on Samsung 850 EVO SSD's is very slow (after cache is filled, ~4MB/s).I chose this setup since i want shared storage to be able to live migrate VM's and for redundancy in case a host fails. However the write performance really bothers me when copying large files.I've got two HP EliteDesks (i7-6700 & 16GB RAM) filled with three Samsung 850 EVO 500GB SSD's.One SSD is for boot, the other two are for HCI.These nodes currently run Proxmox with CEPH configured on the two extra disks (= 4 OSD's in total, 1 per SSD).The nodes are directly connected to each other through 2x 1Gb Intel NICs in LAGG.I know this is not an ideal CEPH setup but i didn't expect write performance to be this bad.Are there any quick performance improvements possible? I don't think that a 10Gb cluster network will help since the 1Gb link isn't satured at all.What do you guys recommend as shared storage for a two-node cluster? HCI is preferred since it keeps down costs (buying a NAS & electricity).
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