我们看出某个文件夹比较满了，我们想看看究竟是在哪个PV上
$ df -g
Filesystem GB blocks Free %Used Iused %Iused Mounted on
/dev/hd4 1.00 0.69 31% 2111 2% /
/dev/hd2 4.00 1.66 59% 50260 12% /usr
/dev/hd9var 1.00 0.29 71% 3207 5% /var
/dev/hd3 10.00 5.94 41% 141666 10% /tmp
/dev/fwdump 0.50 0.50 1% 5 1% /var/adm/ras/platform
/dev/hd1 1.00 0.54 47% 852 1% /home
/proc - - - - - /proc
/dev/hd10opt 2.00 1.53 24% 7221 2% /opt
/dev/weblogiclv 10.00 9.47 6% 47 1% /weblogic
/dev/weblogic9lv 10.00 1.85 82% 93440 18% /weblogic9
/dev/tsmdb 7.50 2.92 62% 7918 2% /tsmdb
/dev/oraclelv 10.00 3.09 70% 21567 3% /home/oracle
/dev/oradatalv 300.00 140.96 54% 407 1% /oradata
/dev/archlog_lv 100.00 99.98 1% 4 1% /archivelog
--我们来看看有哪些物理磁盘
$ lspv
hdisk0 00c3ee9e3439bc67 rootvg active
hdisk1 00c3ee9e5033384d rootvg active
hdisk2 00c3ee9eae48cc48 rootvg active
hdisk3 00c3ee9eae48df75 rootvg active
--看看hdisk3上挂载了那些逻辑卷
$ lspv -l hdisk3
hdisk3:
LV NAME LPs PPs DISTRIBUTION MOUNT POINT
archlog_lv 400 400 00..223..177..00..00 /archivelog
--看看hdisk2上挂载了那些逻辑卷
$ lspv -l hdisk2
hdisk2:
LV NAME LPs PPs DISTRIBUTION MOUNT POINT
oradatalv 598 598 152..223..223..00..00 /oradata
--看看hdisk1上挂载了那些逻辑卷
$ lspv -l hdisk1
hdisk1:
LV NAME LPs PPs DISTRIBUTION MOUNT POINT
hd10opt 8 8 00..00..08..00..00 /opt
hd3 40 40 00..00..40..00..00 /tmp
hd1 4 4 00..00..04..00..00 /home
hd2 16 16 00..00..16..00..00 /usr
hd9var 4 4 00..00..04..00..00 /var
hd8 1 1 00..00..01..00..00 N/A
hd4 4 4 00..00..04..00..00 /
hd5 1 1 01..00..00..00..00 N/A
hd6 32 32 00..00..32..00..00 N/A
tsmdb 30 30 20..10..00..00..00 /tsmdb
oradatalv 324 324 89..17..00..109..109 /oradata
fwdump 2 2 00..02..00..00..00 /var/adm/ras/platform
weblogiclv 40 40 00..40..00..00..00 /weblogic
weblogic9lv 40 40 00..40..00..00..00 /weblogic9
--看看hdisk0上挂载了那些逻辑卷
$ lspv -l hdisk0
hdisk0:
LV NAME LPs PPs DISTRIBUTION MOUNT POINT
hd10opt 8 8 00..00..08..00..00 /opt
hd3 40 40 00..00..40..00..00 /tmp
hd1 4 4 00..00..04..00..00 /home
hd2 16 16 00..00..16..00..00 /usr
hd9var 4 4 00..00..04..00..00 /var
hd8 1 1 00..00..01..00..00 N/A
hd4 4 4 00..00..04..00..00 /
hd5 1 1 01..00..00..00..00 N/A
hd6 32 32 00..00..32..00..00 N/A
tsmdb 30 30 20..10..00..00..00 /tsmdb
oradatalv 278 278 49..11..00..109..109 /oradata
oraclelv 40 40 40..00..00..00..00 /home/oracle
weblogiclv 40 40 00..40..00..00..00 /weblogic
weblogic9lv 40 40 00..40..00..00..00 /weblogic9
lg_dumplv 8 8 00..08..00..00..00 N/A
--通过以上四个hdisk的lspv可以发现，我们的oradatalv在hdisk0、hdisk1、hdisk2上均有分布，
LPS综合为598+324+278=1200，我们再来lslv看看oradatalv的信息，发现确实有1200个LPs，
与上述结果吻合。
$ lslv oradatalv
LOGICAL VOLUME: oradatalv VOLUME GROUP: rootvg
LV IDENTIFIER: 00c3ee9e00004c000000011c74979ab0.16 PERMISSION: read/write
VG STATE: active/complete LV STATE: opened/syncd
TYPE: jfs2 WRITE VERIFY: off
MAX LPs: 2046 PP SIZE: 256 megabyte(s)
COPIES: 1 SCHED POLICY: parallel
LPs: 1200 PPs: 1200
STALE PPs: 0 BB POLICY: relocatable
INTER-POLICY: minimum RELOCATABLE: yes
INTRA-POLICY: middle UPPER BOUND: 4
MOUNT POINT: /oradata LABEL: /oradata
MIRROR WRITE CONSISTENCY: on/ACTIVE
EACH LP COPY ON A SEPARATE PV ?: yes
Serialize IO ?: NO
本文转自zylhsy 51CTO博客，原文链接：http://blog.51cto.com/yunlongzheng/566449，如需转载请自行联系原作者
