Ceph：Unknown lvalue 'TasksMax' in section 'Service

k668

　　1、查看ceph服务状态
　　
# systemctl status ceph\*.service
● ceph-osd@0.service - Ceph object storage daemon
  Loaded: loaded (/usr/lib/systemd/system/ceph-osd@.service; enabled; vendor preset: disabled)
  Active: active (running) since Fri 2018-01-12 06:03:20 CST; 7h ago
Main PID: 4686 (ceph-osd)
  CGroup: /system.slice/system-ceph\x2dosd.slice/ceph-osd@0.service
          └─4686 /usr/bin/ceph-osd -f --cluster ceph --id 0 --setuser ceph --setgroup ceph
Jan 12 06:03:20 hz-01-ops-tc-ceph-01 ceph-osd[4686]: starting osd.0 at :/0 osd_data /var/lib/ceph/osd/ceph-0 /var/lib/ceph/osd/ceph-0/journal
Jan 12 06:03:20 hz-01-ops-tc-ceph-01 ceph-osd[4686]: 2018-01-12 06:03:20.610107 7f6b4111b800 -1 osd.0 0 log_to_monitors {default=true}
Jan 12 06:03:20 hz-01-ops-tc-ceph-01 systemd[1]: [/usr/lib/systemd/system/ceph-osd@.service:18] Unknown lvalue 'TasksMax' in section 'Service'
Jan 12 06:03:21 hz-01-ops-tc-ceph-01 systemd[1]: [/usr/lib/systemd/system/ceph-osd@.service:18] Unknown lvalue 'TasksMax' in section 'Service'
Jan 12 06:03:21 hz-01-ops-tc-ceph-01 systemd[1]: [/usr/lib/systemd/system/ceph-osd@.service:18] Unknown lvalue 'TasksMax' in section 'Service'
Jan 12 13:53:07 hz-01-ops-tc-ceph-01 systemd[1]: [/usr/lib/systemd/system/ceph-osd@.service:18] Unknown lvalue 'TasksMax' in section 'Service'
Jan 12 13:53:07 hz-01-ops-tc-ceph-01 systemd[1]: [/usr/lib/systemd/system/ceph-osd@.service:18] Unknown lvalue 'TasksMax' in section 'Service'
Jan 12 13:53:07 hz-01-ops-tc-ceph-01 systemd[1]: [/usr/lib/systemd/system/ceph-osd@.service:18] Unknown lvalue 'TasksMax' in section 'Service'
Jan 12 13:53:07 hz-01-ops-tc-ceph-01 systemd[1]: [/usr/lib/systemd/system/ceph-osd@.service:18] Unknown lvalue 'TasksMax' in section 'Service'
Jan 12 13:53:07 hz-01-ops-tc-ceph-01 systemd[1]: [/usr/lib/systemd/system/ceph-osd@.service:18] Unknown lvalue 'TasksMax' in section 'Service'　　2、解决方法：
# sudo yum install systemd-*
# systemctl status ceph\*.service
● ceph-osd@0.service - Ceph object storage daemon
  Loaded: loaded (/usr/lib/systemd/system/ceph-osd@.service; enabled; vendor preset: disabled)
  Active: active (running) since Fri 2018-01-12 06:03:20 CST; 7h ago
Main PID: 4686 (ceph-osd)
  CGroup: /system.slice/system-ceph\x2dosd.slice/ceph-osd@0.service
          └─4686 /usr/bin/ceph-osd -f --cluster ceph --id 0 --setuser ceph --setgroup ceph
Jan 12 06:03:20 hz-01-ops-tc-ceph-01 ceph-osd[4686]: starting osd.0 at :/0 osd_data /var/lib/ceph/osd/ceph-0 /var/lib/ceph/osd/ceph-0/journal
Jan 12 06:03:20 hz-01-ops-tc-ceph-01 ceph-osd[4686]: 2018-01-12 06:03:20.610107 7f6b4111b800 -1 osd.0 0 log_to_monitors {default=true}
Jan 12 06:03:20 hz-01-ops-tc-ceph-01 systemd[1]: [/usr/lib/systemd/system/ceph-osd@.service:18] Unknown lvalue 'TasksMax' in section 'Service'
Jan 12 06:03:21 hz-01-ops-tc-ceph-01 systemd[1]: [/usr/lib/systemd/system/ceph-osd@.service:18] Unknown lvalue 'TasksMax' in section 'Service'
Jan 12 06:03:21 hz-01-ops-tc-ceph-01 systemd[1]: [/usr/lib/systemd/system/ceph-osd@.service:18] Unknown lvalue 'TasksMax' in section 'Service'
Jan 12 13:53:07 hz-01-ops-tc-ceph-01 systemd[1]: [/usr/lib/systemd/system/ceph-osd@.service:18] Unknown lvalue 'TasksMax' in section 'Service'
Jan 12 13:53:07 hz-01-ops-tc-ceph-01 systemd[1]: [/usr/lib/systemd/system/ceph-osd@.service:18] Unknown lvalue 'TasksMax' in section 'Service'
Jan 12 13:53:07 hz-01-ops-tc-ceph-01 systemd[1]: [/usr/lib/systemd/system/ceph-osd@.service:18] Unknown lvalue 'TasksMax' in section 'Service'
Jan 12 13:53:07 hz-01-ops-tc-ceph-01 systemd[1]: [/usr/lib/systemd/system/ceph-osd@.service:18] Unknown lvalue 'TasksMax' in section 'Service'
Jan 12 13:53:07 hz-01-ops-tc-ceph-01 systemd[1]: [/usr/lib/systemd/system/ceph-osd@.service:18] Unknown lvalue 'TasksMax' in section 'Service'　　3、服务验证：
# systemctl restart ceph\*.service
# systemctl status ceph\*.service
● ceph-osd@0.service - Ceph object storage daemon
  Loaded: loaded (/usr/lib/systemd/system/ceph-osd@.service; enabled; vendor preset: disabled)
  Active: active (running) since Fri 2018-01-12 13:56:14 CST; 2s ago
  Process: 14682 ExecStartPre=/usr/lib/ceph/ceph-osd-prestart.sh --cluster ${CLUSTER} --id %i (code=exited, status=0/SUCCESS)
Main PID: 14733 (ceph-osd)
  CGroup: /system.slice/system-ceph\x2dosd.slice/ceph-osd@0.service
          └─14733 /usr/bin/ceph-osd -f --cluster ceph --id 0 --setuser ceph --setgroup ceph
Jan 12 13:56:14 hz-01-ops-tc-ceph-01 systemd[1]: Starting Ceph object storage daemon...
Jan 12 13:56:14 hz-01-ops-tc-ceph-01 ceph-osd-prestart.sh[14682]: create-or-move updated item name 'osd.0' weight 0.0439 at location {host=hz-01-ops-tc-ceph-01,root=default} to crush map
Jan 12 13:56:14 hz-01-ops-tc-ceph-01 systemd[1]: Started Ceph object storage daemon.
Jan 12 13:56:14 hz-01-ops-tc-ceph-01 ceph-osd[14733]: starting osd.0 at :/0 osd_data /var/lib/ceph/osd/ceph-0 /var/lib/ceph/osd/ceph-0/journal
Jan 12 13:56:14 hz-01-ops-tc-ceph-01 ceph-osd[14733]: 2018-01-12 13:56:14.620901 7f0aee7fb800 -1 osd.0 19 log_to_monitors {default=true}