[Unit] Description=Ceph object storage daemon osd.%i After=network-online.target local-fs.target time-sync.target ceph-mon.target Wants=network-online.target local-fs.target time-sync.target PartOf=ceph-osd.target [Service] LimitNOFILE=1048576 LimitNPROC=1048576 EnvironmentFile=-@SYSTEMD_ENV_FILE@ Environment=CLUSTER=ceph ExecStart=/usr/bin/ceph-osd -f --cluster ${CLUSTER} --id %i --setuser ceph --setgroup ceph ExecStartPre=/usr/lib/ceph/ceph-osd-prestart.sh --cluster ${CLUSTER} --id %i ExecReload=/bin/kill -HUP $MAINPID LockPersonality=true MemoryDenyWriteExecute=true # Need NewPrivileges via `sudo smartctl` NoNewPrivileges=false ProtectControlGroups=true ProtectHome=true ProtectKernelModules=true # flushing filestore requires access to /proc/sys/vm/drop_caches ProtectKernelTunables=false ProtectSystem=full PrivateTmp=true TasksMax=infinity Restart=on-failure StartLimitInterval=30min StartLimitBurst=3 RestartSec=10 [Install] WantedBy=ceph-osd.target