COPIES: 1 SCHED POLICY: parallel
LPs: 240 PPs: 240
STALE PPs: 0 BB POLICY: relocatable
INTER-POLICY: minimum RELOCATABLE: yes
INTRA-POLICY: middle UPPER BOUND: 1024
MOUNT POINT: N/A LABEL: None
MIRROR WRITE CONSISTENCY: on/ACTIVE
EACH LP COPY ON A SEPARATE PV : yes
Serialize IO : NO
DEVICESUBTYPE : DS_LVZ
GD_HYWG_cManager2_A:/>lslv -L lvsm_data3
LOGICAL VOLUME: lvsm_data3 VOLUME GROUP: datavg
LV IDENTIFIER: 00062d670000d6000000011aaec5d738.45 PERMISSION: read/write
VG STATE: active/complete LV STATE: opened/syncd
TYPE: raw WRITE VERIFY: off
MAX LPs: 512 PP SIZE: 128 megabyte(s)
COPIES: 1 SCHED POLICY: parallel
LPs: 200 PPs: 200
STALE PPs: 0 BB POLICY: relocatable
INTER-POLICY: minimum RELOCATABLE: yes
INTRA-POLICY: middle UPPER BOUND: 1024
MOUNT POINT: N/A LABEL: None
MIRROR WRITE CONSISTENCY: on/ACTIVE
EACH LP COPY ON A SEPARATE PV : yes
Serialize IO : NO
DEVICESUBTYPE : DS_LVZ
由上面可见，lvsm_data2、lvsm_data3这两个LV均属于datavg：
GD_HYWG_cManager2_A:/dev>lsvg -l datavg | grep lvsm_data
lvsm_data1 raw 240 240 1 open/syncd N/A
lvsm_data2 raw 240 240 1 open/syncd N/A
lvsm_data3 raw 200 200 1 open/syncd N/A
那么接下来就确认datavg是否还有剩余可用空间：
GD_HYWG_cManager2_A:/dev>lspv
hdisk0 0001e6b91e911b61 rootvg active
hdisk1 0001f369e182ea0e rootvg active
hdisk2 00062d67aec5d1eb datavg active
hdisk3 00062d67aec5d3bb datavg active
hdisk4 0001e6b99995a385 billingbakvg active
hdisk5 0001e6b99995b755 billingarchvg active
hdisk6 0001e6b9020606ed billingvg active
GD_HYWG_cManager2_A:/dev>lsvg datavg
VOLUME GROUP: datavg VG IDENTIFIER: 00062d670000d6000000011aaec5d738
VG STATE: active PP SIZE: 128 megabyte(s)
VG PERMISSION: read/write TOTAL PPs: 7806 (999168 megabytes)
MAX LVs: 256 FREE PPs: 740 (94720 megabytes)
LVs: 45 USED PPs: 7066 (904448 megabytes)
OPEN LVs: 41 QUORUM: 2 (Enabled)
TOTAL PVs: 2 VG DESCRIPTORS: 3
STALE PVs: 0