# lsvg -l vg1 vg1: LV NAME TYPE LPs PPs PVs LV STATE MOUNT POINT lv20100928 jfs2 6 6 3 closed/syncd N/A # lsvg lv20100928 0516-306 : Unable to find volume group lv20100928 in the Device Configuration Database. # lslv lv20100928 LOGICAL VOLUME: lv20100928 VOLUME GROUP: vg1 LV IDENTIFIER: 0003744f00004c000000012b5bad394f.1 PERMISSION: read/write VG STATE: active/complete LV STATE: closed/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: 3 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: 3 STRIPE SIZE: 64k
3、在逻辑卷上创建一个文件系统,加载点为/20100928 # crfs -v jfs2 -d /dev/lv20100928 -m /20100928 File system created successfully. 24368 kilobytes total disk space. New File System size is 49152
4、创建一个文本文件,输入内容 # cd /20100928 # ls lost+found # touch aixchina.net # echo welcome to aixchina.net > aixchina.net # more aixchina.net welcome to aixchina.net
5、检查PP分布情况,共7个PP,分布在3个DISK上 # lspv hdisk1 PHYSICAL VOLUME: hdisk1 VOLUME GROUP: vg1 PV IDENTIFIER: 0003744f5ba9e80f VG IDENTIFIER 0003744f00004c000000012b5bad394f PV STATE: active STALE PARTITIONS: 0 ALLOCATABLE: yes PP SIZE: 4 megabyte(s) LOGICAL VOLUMES: 2 TOTAL PPs: 15 (60 megabytes) VG DESCRIPTORS: 1 FREE PPs: 12 (48 megabytes) HOT SPARE: no USED PPs: 3 (12 megabytes) MAX REQUEST: 256 kilobytes FREE DISTRIBUTION: 03..00..03..03..03 USED DISTRIBUTION: 00..03..00..00..00
# lspv hdisk2 PHYSICAL VOLUME: hdisk2 VOLUME GROUP: vg1 PV IDENTIFIER: 0003744f5ba9fd07 VG IDENTIFIER 0003744f00004c000000012b5bad394f PV STATE: active STALE PARTITIONS: 0 ALLOCATABLE: yes PP SIZE: 4 megabyte(s) LOGICAL VOLUMES: 1 TOTAL PPs: 15 (60 megabytes) VG DESCRIPTORS: 1 FREE PPs: 13 (52 megabytes) HOT SPARE: no USED PPs: 2 (8 megabytes) MAX REQUEST: 256 kilobytes FREE DISTRIBUTION: 03..01..03..03..03 USED DISTRIBUTION: 00..02..00..00..00
# lspv hdisk3 PHYSICAL VOLUME: hdisk3 VOLUME GROUP: vg1 PV IDENTIFIER: 0003744f5baa10ae VG IDENTIFIER 0003744f00004c000000012b5bad394f PV STATE: active STALE PARTITIONS: 0 ALLOCATABLE: yes PP SIZE: 4 megabyte(s) LOGICAL VOLUMES: 1 TOTAL PPs: 15 (60 megabytes) VG DESCRIPTORS: 1 FREE PPs: 13 (52 megabytes) HOT SPARE: no USED PPs: 2 (8 megabytes) MAX REQUEST: 256 kilobytes FREE DISTRIBUTION: 03..01..03..03..03 USED DISTRIBUTION: 00..02..00..00..00
6、尝试将HDISK1上的部分逻辑卷迁移到HDISK3上,失败;因为目标PV包含该LV的LP # migratepv -l lv20100928 hdisk1 hdisk3 0516-1244 migratepv: Destination physical volume hdisk3 contains partitions of the logical volume lv20100928. 0516-812 migratepv: Warning, migratepv did not completely succeed; all physical partitions have not been moved off the PV. # lspv hdisk0 0003744f5808d0c8 rootvg active hdisk1 0003744f5ba9e80f vg1 active hdisk2 0003744f5ba9fd07 vg1 active hdisk3 0003744f5baa10ae vg1 active
7、添加一个PV,加入VG1 # cfgmgr -vl iscsi0 ---------------- attempting to configure device 'iscsi0' Time: 0 LEDS: 0x25b0 invoking /usr/lib/methods/cfgiscsi -l iscsi0 Number of running methods: 1 ---------------- Completed method for: iscsi0, Elapsed time = 0 return code = 0 ****************** stdout *********** hdisk4 ****************** no stderr *********** ---------------- Time: 0 LEDS: 0x539 Number of running methods: 0 ---------------- attempting to configure device 'hdisk4' Time: 0 LEDS: 0x25f3 invoking /usr/lib/methods/cfgscsidisk -l hdisk4 Number of running methods: 1 ---------------- Completed method for: hdisk4, Elapsed time = 0 return code = 0 ****************** no stdout *********** ****************** no stderr *********** ---------------- Time: 0 LEDS: 0x539 Number of running methods: 0 ---------------- calling savebase return code = 0 ****************** no stdout *********** ****************** no stderr *********** Configuration time: 0 seconds # lspv hdisk0 0003744f5808d0c8 rootvg active hdisk1 0003744f5ba9e80f vg1 active hdisk2 0003744f5ba9fd07 vg1 active hdisk3 0003744f5baa10ae vg1 active hdisk4 none None # chdev -l hdisk4 -a pv=yes hdisk4 changed # lspv hdisk0 0003744f5808d0c8 rootvg active hdisk1 0003744f5ba9e80f vg1 active hdisk2 0003744f5ba9fd07 vg1 active hdisk3 0003744f5baa10ae vg1 active hdisk4 0003744f5bbc50e9 None # extendvg vg1 hdisk4