俺只回答问题,不讨论你的建议,呵呵.你想去条带化也就是说LV全放一个物理DISK上.只要加块大硬盘,做个第二份拷贝(MKLVCOPY)然后把第一份拷贝(在开始的三块上的)拿掉,就搞定.具体命令管理员知道的.给钱啊..... ...铁蛋哥 发表于 2010-9-30 08:23
这个答案让我为难了详细见...
显示全部俺只回答问题,不讨论你的建议,呵呵.
你想去条带化也就是说LV全放一个物理DISK上.
只要加块大硬盘,做个第二份拷贝(MKLVCOPY)然后把第一份拷贝(在开始的三块上的)拿掉,就搞定.
具体命令管理员知道的.
给钱啊..... ...
铁蛋哥 发表于 2010-9-30 08:23
这个答案让我为难了
详细见我的测试:
将hdisk3加入卷组,并在hdisk3上创建逻辑卷的副本
# extendvg vgdata hdisk3
# lsvg -p vgdata
vgdata:
PV_NAME PV STATE TOTAL PPs FREE PPs FREE DISTRIBUTION
hdisk1 active 238 235 48..45..47..47..48
hdisk2 active 238 235 48..45..47..47..48
hdisk3 active 238 238 48..48..47..47..48
# mklvcopy mylv01 2 hdisk3
# lslv -l mylv01
mylv01:N/A
PV COPIES IN BAND DISTRIBUTION
hdisk1 003:000:000 100% 000:003:000:000:000
hdisk3 006:000:000 100% 000:006:000:000:000
hdisk2 003:000:000 100% 000:003:000:000:000
# syncvg -l mylv01
# lslv mylv01
LOGICAL VOLUME: mylv01 VOLUME GROUP: vgdata
LV IDENTIFIER: 0003744f00004c000000012b6f62c6d7.1 PERMISSION: read/write
VG STATE: active/complete LV STATE: opened/syncd
TYPE: jfs2 WRITE VERIFY: off
MAX LPs: 512 PP SIZE: 4 megabyte(s)
COPIES: 2 SCHED POLICY: striped
LPs: 6 PPs: 12
STALE PPs: 0 BB POLICY: relocatable
INTER-POLICY: maximum RELOCATABLE: no
INTRA-POLICY: middle UPPER BOUND: 2
MOUNT POINT: N/A LABEL: None
MIRROR WRITE CONSISTENCY: on/ACTIVE
EACH LP COPY ON A SEPARATE PV ?: yes (superstrict)
Serialize IO ?: NO
STRIPE WIDTH: 2
STRIPE SIZE: 64k
DEVICESUBTYPE : DS_LVZ
删除位于hdisk1和hdisk2上的LP
# rmlvcopy mylv01 1 hdisk1 hdisk2
验证LV已经迁移至目标PV
# lslv mylv01
LOGICAL VOLUME: mylv01 VOLUME GROUP: vgdata
LV IDENTIFIER: 0003744f00004c000000012b6f62c6d7.1 PERMISSION: read/write
VG STATE: active/complete LV STATE: opened/syncd
TYPE: jfs2 WRITE VERIFY: off
MAX LPs: 512 PP SIZE: 4 megabyte(s)
COPIES: 1 SCHED POLICY: striped
LPs: 6 PPs: 6
STALE PPs: 0 BB POLICY: relocatable
INTER-POLICY: maximum RELOCATABLE: no
INTRA-POLICY: middle UPPER BOUND: 2
MOUNT POINT: N/A LABEL: None
MIRROR WRITE CONSISTENCY: on/ACTIVE
EACH LP COPY ON A SEPARATE PV ?: yes (superstrict)
Serialize IO ?: NO
STRIPE WIDTH: 2
STRIPE SIZE: 64k
DEVICESUBTYPE : DS_LVZ
# lslv -l mylv01
mylv01:N/A
PV COPIES IN BAND DISTRIBUTION
hdisk3 006:000:000 100% 000:006:000:000:000
虽然LV最终转移到一个PV上,但是他的属性依然不变。
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