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4.9.3. LVM 报​​​​​​​告​​​​​​​排​​​​​​​序​​​​​​​

通​​​​​​​常​​​​​​​，lvs、​​​​​​​vgs 或​​​​​​​者​​​​​​​ pvs 命​​​​​​​令​​​​​​​的​​​​​​​完​​​​​​​整​​​​​​​输​​​​​​​出​​​​​​​结​​​​​​​果​​​​​​​在​​​​​​​正​​​​​​​确​​​​​​​排​​​​​​​序​​​​​​​和​​​​​​​对​​​​​​​齐​​​​​​​之​​​​​​​前​​​​​​​必​​​​​​​须​​​​​​​在​​​​​​​内​​​​​​​部​​​​​​​生​​​​​​​成​​​​​​​并​​​​​​​保​​​​​​​存​​​​​​​。​​​​​​​您​​​​​​​可​​​​​​​以​​​​​​​指​​​​​​​定​​​​​​​ --unbuffered 参​​​​​​​数​​​​​​​来​​​​​​​尽​​​​​​​快​​​​​​​显​​​​​​​示​​​​​​​未​​​​​​​排​​​​​​​序​​​​​​​的​​​​​​​输​​​​​​​出​​​​​​​。​​​​​​​
要​​​​​​​指​​​​​​​定​​​​​​​另​​​​​​​外​​​​​​​的​​​​​​​列​​​​​​​表​​​​​​​顺​​​​​​​序​​​​​​​进​​​​​​​行​​​​​​​排​​​​​​​序​​​​​​​，请​​​​​​​使​​​​​​​用​​​​​​​任​​​​​​​意​​​​​​​报​​​​​​​告​​​​​​​命​​​​​​​令​​​​​​​的​​​​​​​ -O 参​​​​​​​数​​​​​​​。​​​​​​​在​​​​​​​输​​​​​​​出​​​​​​​中​​​​​​​不​​​​​​​一​​​​​​​定​​​​​​​要​​​​​​​包​​​​​​​含​​​​​​​这​​​​​​​些​​​​​​​输​​​​​​​出​​​​​​​字​​​​​​​段​​​​​​​。​​​​​​​
下​​​​​​​面​​​​​​​的​​​​​​​例​​​​​​​子​​​​​​​显​​​​​​​示​​​​​​​ pvs 命​​​​​​​令​​​​​​​的​​​​​​​输​​​​​​​出​​​​​​​结​​​​​​​果​​​​​​​，包​​​​​​​括​​​​​​​物​​​​​​​理​​​​​​​卷​​​​​​​名​​​​​​​称​​​​​​​、​​​​​​​大​​​​​​​小​​​​​​​和​​​​​​​可​​​​​​​用​​​​​​​空​​​​​​​间​​​​​​​。​​​​​​​ 
# pvs -o pv_name,pv_size,pv_free
  PV         PSize  PFree
  /dev/sdb1  17.14G 17.14G
  /dev/sdc1  17.14G 17.09G
  /dev/sdd1  17.14G 17.14G
下​​​​​​​面​​​​​​​的​​​​​​​例​​​​​​​子​​​​​​​显​​​​​​​示​​​​​​​相​​​​​​​同​​​​​​​的​​​​​​​输​​​​​​​出​​​​​​​结​​​​​​​果​​​​​​​，但​​​​​​​根​​​​​​​据​​​​​​​可​​​​​​​用​​​​​​​空​​​​​​​间​​​​​​​字​​​​​​​段​​​​​​​排​​​​​​​序​​​​​​​。​​​​​​​ 
# pvs -o pv_name,pv_size,pv_free -O pv_free
  PV         PSize  PFree
  /dev/sdc1  17.14G 17.09G
  /dev/sdd1  17.14G 17.14G
  /dev/sdb1  17.14G 17.14G
下​​​​​​​面​​​​​​​的​​​​​​​例​​​​​​​子​​​​​​​表​​​​​​​明​​​​​​​您​​​​​​​不​​​​​​​需​​​​​​​要​​​​​​​根​​​​​​​据​​​​​​​您​​​​​​​要​​​​​​​排​​​​​​​序​​​​​​​的​​​​​​​字​​​​​​​段​​​​​​​显​​​​​​​示​​​​​​​。​​​​​​​ 
# pvs -o pv_name,pv_size -O pv_free
  PV         PSize
  /dev/sdc1  17.14G
  /dev/sdd1  17.14G
  /dev/sdb1  17.14G
要​​​​​​​显​​​​​​​示​​​​​​​逆​​​​​​​向​​​​​​​排​​​​​​​序​​​​​​​，请​​​​​​​在​​​​​​​ -O 参​​​​​​​数​​​​​​​后​​​​​​​您​​​​​​​指​​​​​​​定​​​​​​​的​​​​​​​字​​​​​​​段​​​​​​​前​​​​​​​添​​​​​​​加​​​​​​​ - 符​​​​​​​号​​​​​​​。​​​​​​​ 
# pvs -o pv_name,pv_size,pv_free -O -pv_free
  PV         PSize  PFree
  /dev/sdd1  17.14G 17.14G
  /dev/sdb1  17.14G 17.14G
  /dev/sdc1  17.14G 17.09G