# lslv hd6LOGICAL VOLUME: hd6 VOLUME GROUP: rootvgLV IDENTIFIER: 00c52bf600004c0000000144c3c40801.2 ...
显示全部# lslv hd6
LOGICAL VOLUME: hd6 VOLUME GROUP: rootvg
LV IDENTIFIER: 00c52bf600004c0000000144c3c40801.2 PERMISSION: read/write
VG STATE: active/complete LV STATE: opened/syncd
TYPE: paging WRITE VERIFY: off
MAX LPs: 512 PP SIZE: 128 megabyte(s)
COPIES: 2 SCHED POLICY: parallel
LPs: 160 PPs: 320
STALE PPs: 0 BB POLICY: non-relocatable
INTER-POLICY: minimum RELOCATABLE: yes
INTRA-POLICY: middle UPPER BOUND: 32
MOUNT POINT: N/A LABEL: None
MIRROR WRITE CONSISTENCY: off
EACH LP COPY ON A SEPARATE PV ?: yes
Serialize IO ?: NO
hd6的MIRROR WRITE CONSISTENCY: off是关闭的,可以减少io开销
https://www-01.ibm.com/support/k ... ite_consistency.htm# lslv hd1
LOGICAL VOLUME: hd1 VOLUME GROUP: rootvg
LV IDENTIFIER: 00c52bf600004c0000000144c3c40801.8 PERMISSION: read/write
VG STATE: active/complete LV STATE: opened/syncd
TYPE: jfs2 WRITE VERIFY: off
MAX LPs: 512 PP SIZE: 128 megabyte(s)
COPIES: 2 SCHED POLICY: parallel
LPs: 1 PPs: 2
STALE PPs: 0 BB POLICY: relocatable
INTER-POLICY: minimum RELOCATABLE: yes
INTRA-POLICY: center UPPER BOUND: 32
MOUNT POINT: /home LABEL: /home
MIRROR WRITE CONSISTENCY: on/ACTIVE
EACH LP COPY ON A SEPARATE PV ?: yes
Serialize IO ?: NO
其他lv的MIRROR WRITE CONSISTENCY: on/ACTIVE 是开启的
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