Hyperconvergence Using Proxmox and Ceph; A Journey Through Data and Time
summary
A Proxmox + Ceph hyperconverged setup grows from 8 to 16-node hyperconverged cluster, hosting ~120 VMs on ~600 cores and 4 TB RAM with 150 TB HDD and 240 TB SSD; Ceph uses an RBD pool with replica 4. Stuff that breaks: lost emails on CephFS forces migration to RBD and RBD mount fixed Zimbra; network faults and watchdog-triggered reboots cause most outages; cold-start dependency loops appear; plan is to add eight NVMe-capable nodes and phase out spinning disks.
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