AIX中以並發模式掛載vg
要想以並發模式掛載VG 必須要有/usr/sbin/gsclvmd 這個進程，而些進程是安裝HACMP 的必要的文件集bos.clvm.enh，同時gsclvmd 也是由HACMP 啟動的，多個節點掛載並發VG 的時候是以並發模式掛載的，當然我們在有gsclvmd 服務的時候也可以手工以手工方式掛載，如下所示：
# ps -ef | grep gsc
root 6553738 14680086 0 18:13:58 pts/0 0:00 grep gsc
root 16973844 4784366 0 17:45:02 - 0:00 /usr/sbin/gsclvmd
varyon -c datavg
# lsvg datavg
VOLUME GROUP: datavg VG IDENTIFIER: 00f670fd00004c00000
00130b18686a0
VG STATE: active PP SIZE: 256 megabyte(s)
VG PERMISSION: read/write TOTAL PPs: 3383 (866048 megaby
tes)
MAX LVs: 512 FREE PPs: 742 (189952 megabyt
es)
LVs: 79 USED PPs: 2641 (676096 megaby
tes)
OPEN LVs: 58 QUORUM: 9 (Enabled)
TOTAL PVs: 17 VG DESCRIPTORS: 17
STALE PVs: 0 STALE PPs: 0
ACTIVE PVs: 17 AUTO ON: no
Concurrent: Enhanced-Capable Auto-Concurrent: Disabled
VG Mode: Concurrent
Node ID: 2 Active Nodes: 1
MAX PPs per VG: 130048
MAX PPs per PV: 1016 MAX PVs: 128
LTG size (Dynamic): 256 kilobyte(s) AUTO SYNC: no
HOT SPARE: no BB POLICY: relocatable
PV RESTRICTION: none
host1:
hdisk4 00f670f4b1515565 datavg concurrent
hdisk5 00f670f4b151570f datavg concurrent
hdisk6 00f670f4b1515898 datavg concurrent
hdisk7 00f670f4b1515a0f datavg concurrent
hdisk8 00f670f4b1515b85 datavg concurrent
hdisk9 00f670f4b1515cfe datavg concurrent
hdisk10 00f670f4b1515e83 datavg concurrent
hdisk11 00f670f4b1515ffe datavg concurrent
hdisk12 00f670f4b151a635 datavg concurrent
hdisk13 00f670fd03402eb2 datavg concurrent
hdisk14 00f670fd03403ee6 datavg concurrent
host2:
hdisk4 00f670f4b1515565 datavg concurrent
hdisk5 00f670f4b151570f datavg concurrent
hdisk6 00f670f4b1515898 datavg concurrent
hdisk7 00f670f4b1515a0f datavg concurrent
hdisk8 00f670f4b1515b85 datavg concurrent
hdisk9 00f670f4b1515cfe datavg concurrent
hdisk10 00f670f4b1515e83 datavg concurrent
hdisk11 00f670f4b1515ffe datavg concurrent
hdisk12 00f670f4b151a635 datavg concurrent
hdisk13 00f670fd03402eb2 datavg concurrent
hdisk14 00f670fd03403ee6 datavg concurrent
