死神来了2腾讯视频:[PowerVM] 利vios给微分区扩容

来源:百度文库 编辑:中财网 时间:2024/03/28 17:48:29
言:一个P550小型机,两个300G硬盘,hdisk0和hdisk1,利用PowerVM技术建立三台虚拟机,AIX1独占1个300G硬盘hdisk1,hdisk0使用vios建立成一个rootvg,AIX2和Linux for power分别使用rootvg两个100G的LV,日常使用中AIX2空间不足,需要给AIX2扩容。下面将使用VIOS、AIX2作为前缀说明执行的环境。

VIOS:$oem_setup_env
VIOS:#lsvg
rootvgVIOS:#:lsvg -l rootvg                                             //本处忽略了其他没关的显示信息
LV NAME             TYPE       LPs     PPs     PVs  LV STATE      MOUNT POINT
aix2                jfs2       200     200     1    open/syncd    N/A
redhat              jfs2       200     200     1    open/syncd    N/AVIOS:#exit
VIOS:$lsmap -all                                            //本处忽略了其他没关的显示信息
SVSA            Physloc                                      Client Partition ID
--------------- -------------------------------------------- ------------------
vhost0          U8204.E8A.0628AD4-V1-C21                     0x00000002

VTD                   aix1_rootvg
Status                Available
LUN                   0x8100000000000000
Backing device        hdisk1
Physloc               U78A0.001.DNWH1L3-P2-D6

VTD                   cd
Status                Available
LUN                   0x8200000000000000
Backing device        cd0
Physloc               U78A0.001.DNWH1L3-P2-D2

SVSA            Physloc                                      Client Partition ID
--------------- -------------------------------------------- ------------------
vhost1          U8204.E8A.0628AD4-V1-C22                     0x00000003

VTD                   aix2rootvg
Status                Available
LUN                   0x8100000000000000
Backing device        aix2
Physloc                

SVSA            Physloc                                      Client Partition ID
--------------- -------------------------------------------- ------------------
vhost2          U8204.E8A.0628AD4-V1-C23                     0x00000004

VTD                   redhatvg
Status                Available
LUN                   0x8100000000000000
Backing device        redhat
Physloc                

SVSA            Physloc                                      Client Partition ID
--------------- -------------------------------------------- ------------------
vhost3          U8204.E8A.0628AD4-V1-C24                     0x00000000

VTD                   NO VIRTUAL TARGET DEVICE FOUND

AIX2:# lspv
hdisk0          00c28ad458c8499d                    rootvg          activeAIX2:# lspv hdisk0
PHYSICAL VOLUME:    hdisk0                   VOLUME GROUP:     rootvg
PV IDENTIFIER:      00c28ad458c8499d VG IDENTIFIER     00c28ad400004c000000012d58c8560d
PV STATE:           active                                     
STALE PARTITIONS:   0                        ALLOCATABLE:      yes
PP SIZE:            128 megabyte(s)          LOGICAL VOLUMES:  15
TOTAL PPs:          799 (102272 megabytes)   VG DESCRIPTORS:   2
FREE PPs:           24 (3072 megabytes)      HOT SPARE:        no
USED PPs:           775 (99200 megabytes)    MAX REQUEST:      256 kilobytes
FREE DISTRIBUTION:  08..00..00..00..16                         
USED DISTRIBUTION:  152..160..159..160..144          
AIX2:# lsvg
rootvgAIX2:# lsvg rootvg
VOLUME GROUP:       rootvg                   VG IDENTIFIER:  00c28ad400004c000000012d58c8560d
VG STATE:           active                   PP SIZE:        128 megabyte(s)
VG PERMISSION:      read/write               TOTAL PPs:      799 (102272 megabytes)
MAX LVs:            256                      FREE PPs:       24 (3072 megabytes)
LVs:                15                       USED PPs:       775 (99200 megabytes)
OPEN LVs:           14                       QUORUM:         2 (Enabled)
TOTAL PVs:          1                        VG DESCRIPTORS: 2
STALE PVs:          0                        STALE PPs:      0
ACTIVE PVs:         1                        AUTO ON:        yes
MAX PPs per VG:     32512                                     
MAX PPs per PV:     1016                     MAX PVs:        32
LTG size (Dynamic): 256 kilobyte(s)          AUTO SYNC:      no
HOT SPARE:          no                       BB POLICY:      relocatable 可见AIX2只挂载了一个分区。
下面利用vios创建一个给AIX2使用的vg

VIOS:#mklv -y aix2datavg -t jfs2 rootvg 50G                                    //命令解释:在rootvg创建一个50G名为aix2datavg的jfs2格式的lv
aix2datavglv创建完毕,下面将lv映射给AIX2

VIOS:$mkvdev -vdev aix2datavg -vadapter vhost1                     //命令解释:创建一个虚拟设备,并映射给vhost1(即AIX2,由lsmap命令知道),可以加-dev参数为新虚拟设备命名
vtscsi0 Available由于没指定虚拟设备名称,此处系统默认分配了一个vtscsi0

执行lsmap查看是否已经映射成功。
VIOS:$lsmap -all
SVSA            Physloc                                      Client Partition ID
--------------- -------------------------------------------- ------------------
vhost0          U8204.E8A.0628AD4-V1-C21                     0x00000002

VTD                   aix1_rootvg
Status                Available
LUN                   0x8100000000000000
Backing device        hdisk1
Physloc               U78A0.001.DNWH1L3-P2-D6

VTD                   cd
Status                Available
LUN                   0x8200000000000000
Backing device        cd0
Physloc               U78A0.001.DNWH1L3-P2-D2

SVSA            Physloc                                      Client Partition ID
--------------- -------------------------------------------- ------------------
vhost1          U8204.E8A.0628AD4-V1-C22                     0x00000003

VTD                   aix2rootvg
Status                Available
LUN                   0x8100000000000000
Backing device        aix2
Physloc                

VTD                   vtscsi0
Status                Available
LUN                   0x8200000000000000
Backing device        aix2datavg
Physloc                

SVSA            Physloc                                      Client Partition ID
--------------- -------------------------------------------- ------------------
vhost2          U8204.E8A.0628AD4-V1-C23                     0x00000004

VTD                   redhatvg
Status                Available
LUN                   0x8100000000000000
Backing device        redhat
Physloc                

SVSA            Physloc                                      Client Partition ID
--------------- -------------------------------------------- ------------------
vhost3          U8204.E8A.0628AD4-V1-C24                     0x00000000

VTD                   NO VIRTUAL TARGET DEVICE FOUNDk可见可见vhost1已经增加了vtscsi0

利用HMC管理平台重启AIX2
AIX2:# lspv
hdisk0          00c28ad458c8499d                    rootvg          active
hdisk1          none                                None            可见AIX2已经成功添加了一个pv hdisk1,但是还没分配给创建vg

AIX2:# mkvg hdisk1
0516-1254 mkvg: Changing the PVID in the ODM. 
vg00
AIX2:# lspv
hdisk0          00c28ad458c8499d                    rootvg          active
hdisk1          00c28ad46d8b5773                    vg00            active可见新的lv已经分配给新的vg00,并且状态是激活的。

至此,本次给AIX2扩容已经完成了一半。

因为IBM PowerVM先进的虚拟化技术,实际应用中可以实现在线扩容。本次虽然扩容了,但是重启了AIX2,只能算完成一半。在线扩容还没掌握好,下次再实践。