AIX磁盘相关操作

下面是使用VIO的AIX服务器上功能删除一块存储上硬盘分区的操作方法

操作环境：AIX操作系统版本5.3

AIX删除用户卷组VG操作3大步骤如下：

l  umount  文件系统

l  varyoffvg 指定datavg

l  exportvg  删除vg（从ODM库里去掉该VG信息）此时lsvg看不到该vg，再删除PV

 

注意：由于这次操作vg用户卷组ibmvg01不需要保留数据，故可以不保留原数据操作。还由于这次操作vg中只有一个PV所以用不到reducevg

 

详细步骤如下：

l  umount  文件系统

 首先确认vg名字 运行lsvg 确认要操作删除用户vg名字为ibmvg01 如下

root@SVR059138[/]>lsvg rootvg ibmvg01

检查PV 命令lspv 检查得知用户VG  ibmvg01 只有一个PV：hdisk2 且PVID 是000ce4f0d68912aa

root@SVR059138[/]>lspv hdisk0          000ce4f06dbe60eb                    rootvg          active hdisk1          000ce4f06e3b8263                    rootvg          active hdisk2          000ce4f0d68912aa                    ibmvg01        active

 

检查确认要操作VG的mount point 运行命令lsvg –l ibmvg01查找对应MOUNT点是/opt/IBM

root@SVR059138[/]>lsvg -l  ibmvg01 ibmvg01: LV NAME             TYPE       LPs   PPs   PVs  LV STATE      MOUNT POINT ibmlv01             jfs2       784   784   1    open/syncd            /opt/IBM loglv00             jfs2log    1     1     1    open/syncd              N/A

可以用df –g命令再确认MOUNT点是/opt/IBM

Loglv00这个

root@SVR059138[/]>df -g Filesystem    GB blocks      Free %Used    Iused %Iused Mounted on /dev/hd4           4.00      2.55   37%     3527     1% / /dev/hd2           7.00      5.18   27%    42053     4% /usr /dev/hd9var        0.25      0.17   32%      568     2% /var /dev/hd3           2.00      1.31   35%     7558     3% /tmp /dev/hd1           1.00      1.00    1%       92     1% /home /proc                 -         -    -         -     -  /proc /dev/hd10opt      50.00      5.77   89%   108206     8% /opt /dev/ibmlv01      49.00     48.99    1%        4     1% /opt/IBM

由于这次操作vg用户卷组ibmvg01不需要保留数据，故可以直接后续操作

确认上面信息下面可以umount 该vg文件系统,运行smit umount 命令选择  Unmount a File System

root@SVR059138[/]>smit umount                     选择          Unmount a File System   Move cursor to desired item and press Enter.     Unmount a File System   Unmount a Group of File Systems

在下面画面里在NAME of file system to unmount按F4选择/opt/IBM 如下图按执行

 

 

Unmount a File System   Type or select values in entry fields. Press Enter AFTER making all desired changes.                                                           [Entry Fields]   Unmount ALL mounted file systems?                   no                    Unmount all REMOTELY mounted file systems?          no                   NAME of file system to unmount                     []                  REMOTE NODE containing the file system(s)          []     to unmount

上面运行提示成功之后，df –g命令，检查确认之前下面一行已经不再显示，确认umount成功

/dev/ibmlv01      49.00     48.99    1%        4     1% /opt/IBM

 

 

l  varyoffvg 指定datavg

运行smit varyoffvg 在VOLUME GROUP name按F4选择用户卷组ibmvg01

root@SVR059138[/]>smit varyoffvg                                            Deactivate a Volume Group   Type or select values in entry fields. Press Enter AFTER making all desired changes.                                                           [Entry Fields] * VOLUME GROUP name                                  []                    Put volume group in SYSTEM                          no                    MANAGEMENT mode?

按执行之后执行运行lsvg还显示ibmvg01 ，如果运行lsvg –l ibmvg01 查看VG详细内容会提示你该VG状态已经不是vary on 这样确认vg已经varyoff

 

l  exportvg  删除vg

运行命令smit exportvg从ODM库里彻底去掉该vg相关信息，在* VOLUME GROUP name   F4选择ibmvg01如下：

Export a Volume Group   Type or select values in entry fields.       Press Enter AFTER making all desired changes.                                                           [Entry Fields] * VOLUME GROUP name                                  [ibmvg01]

 

运行lsvg 已经不显示被清理掉的ibmvg01了，确认exportvg成功

root@SVR059138[/]>lsvg rootvg

此时运行lspv 对照之前lspv内容,原来挂在ibmvg01下的 hdisk2的第三列显示None已经没有关联任何vg如下：

root@SVR059138[/]>lspv hdisk0          000ce4f06dbe60eb                    rootvg          active hdisk1          000ce4f06e3b8263                    rootvg          active hdisk2          000ce4f0d68912aa                    None

此时可以已经删除VG 下的PV了 ，运行命令rmdev -dl hdisk2 成功之后lspv 之前hdisk2内容

root@SVR059138[/]>lspv hdisk0          000ce4f06dbe60eb                    rootvg          active hdisk1          000ce4f06e3b8263                    rootvg          active hdisk2          000ce4f0d68912aa                    None            root@SVR059138[/]>rmdev -dl hdisk2 hdisk2 deleted root@SVR059138[/]>lspv hdisk0          000ce4f06dbe60eb                    rootvg          active hdisk1          000ce4f06e3b8263                    rootvg          active

至此要删除的VG和VG下属的PV，在AIX 的LPAR 中都已经彻底清理干净。后续再在VIO里去掉对应相关内容

 

 

 

从LPAR配置信息Excel中查询该AIX服务器是使用VIO，VIO的地址是10.52.1.247

 

在刚刚登陆AIX中Telnet VIO地址10.52.1.247 登录ID: padmin 如下出现$符合登录成功

root@SVR059138[/]>telnet 10.52.1.247 Trying... Connected to 10.52.1.247. Escape character is '^]'. telnet (vios_3rd) IBM Virtual I/O Server login: padmin padmin's Password: Last unsuccessful login: Wed Jan 27 05:58:52 CST 2010 on /dev/pts/0 from10.52.1.138 Last login: Thu Jul 15 09:46:29 CDT 2010 on /dev/pts/4 from 10.52.1.138   $

运行lsmap –all查看所有VIO中VHOST和设备的关联关系，显示结果中，其中对应操作LPAR的 VHOST3信息如下

说明：（查询vhost和LPAR的关系，已知的一种方法就是登录HMC选择P5该服务器VIO的LPAR比如VIOS然后选择Hardware Inoformationà Virtual I/O  Adapters àSCSI 会显示VHOST和LPAR对应关系清单,可以获得对应关系，我们知道操作LPAR的VHOST名称是VHOST3）

SVSA            Physloc                                      Client Partition ID --------------- -------------------------------------------- ------------------ vhost3          U9133.55A.06EBC8G-V1-C23                     0x00000004   VTD                   p55a3_lpar03_01 Status                Available LUN                   0x8100000000000000 Backing device        hdisk14 Physloc               U7311.D20.068E47B-P1-C08-T1-W201400A0B8117590-L7000000000000

 

运行$oem_setup_env(在VIOS中切换到AIX指令环境，命令行开始符号变为#) 再运行lspv命令显示vio 识别的所有PV清单查找对应上面查询到hdisk4的PV ID 为 000ce4f0d68912aa

 

 

$ oem_setup_env # lspv  hdisk0          000ce4f06ab32cbf                    rootvg          active hdisk1          000ce4f06b1227e6                    rootvg          active hdisk6          0006556f208991e0                    None            hdisk11         0006556f2089944c                    None            hdisk12         0006556f30d573de                    None            hdisk13         0006556f30d5747c                    None            hdisk14         000ce4f0d68912aa                    None            hdisk15         0006556f30d575ac                    None            hdisk16         0006556f30d57620                    None             hdisk24         0006549d9bafc833                    None            hdisk25         0006549d9baff789                    None            hdisk32         000ce4f0d6894d5c                    None            hdisk7          0006556fd1c7cec7                    None            hdisk8          0006549d13f71cc7                    None            hdisk18         0006556fcecedbf3                    None            hdisk19         0006556f82f5cb8d                    None            hdisk20         0006556f82f77766                    None            hdisk26         000ce4f02b66f04d                    None            hdisk27         000ce4f02b7406f7                    None            hdisk28         000ce4f086c609a8                    None            hdisk29         000ce4f07dacdfe0                    None            hdisk30         none                                None            hdisk31         none                                None

 

先rmvdev

$mkvdev –vdev hdisk？(VISO PV) -vadapter vhost？(LPAR Vhost Name) -dev VTD（格式：AIX机器编号_LPAR编号_磁盘序号，如：p55a1_lpar01_01）把新增的LUN分配给具体LPAR中，$exit（退出 VIOS环境到AIX LPAR中）

 

再 rmdev –dev

 

随后在存储上操作

在存储上操作完成之后，在先在VIO中配置完成，后面再执行如下操作，把新划出来的PV加入LPAR中

 

 

 

 

 

 

第三部分VIO里重新定义好PV之后 在AIX   LPAR里如下操作

大致步骤

l  建立VG

l  建立文件系统smit fs  *

l  Mount建立的文件系统

*说明： 建立文件系统自动自动创建相关LV不需要额外手动去建立LV比较方便，手动去建立LV主要是针对比如有条带化或许要建立镜像等这样的特别 需求，这次需求没有特殊需求顾可以直接通过SMIT中建立文件系统自动生成LV. 建立文件系统的时候请不要把VG中空间都用完，VG保留少量几百兆 Free空间（同仁经验VG空间全都分配完，可能会导致不稳定）

 

lspv确认已经能显示到更新新增的PV 应该如下，记录下PV 名字hdisk2

root@SVR059138[/]>lspv hdisk0          000ce4f06dbe60eb                    rootvg          active hdisk1          000ce4f06e3b8263                    rootvg          active hdisk2          000ce4f0d68912aa                    None

 

然后新增VG,运行命令 smit vg 如下保守些可以先选择List All Volume Groups查看确认当前系统已有vg，然后F3回到下面菜单选择Add a Volume Group

Volume Groups Move cursor to desired item and press Enter.     List All Volume Groups   Add a Volume Group   Set Characteristics of a Volume Group   List Contents of a Volume Group   Remove a Volume Group   Activate a Volume Group   Deactivate a Volume Group   Import a Volume Group   Export a Volume Group   Mirror a Volume Group   Unmirror a Volume Group   Synchronize LVM Mirrors   Back Up a Volume Group   Remake a Volume Group   Preview Information about a Backup   Verify the Readability of a Backup (Tape only)   View the Backup Log   List Files in a Volume Group Backup   Restore Files in a Volume Group Backup

选择之后后面菜单如下，选择Add a Big Volume Group

注意：Add an Original Volume Group不使用，操作系统5.3大部分用Add a Big Volume Group

操作系统6.1大多选择Add a Scalable Volume Group 具体原因这里暂不讨论

Add a Volume Group   Move cursor to desired item and press Enter.     Add an Original Volume Group   Add a Big Volume Group   Add a Scalable Volume Group

 

如下菜单中：

VOLUME GROUP name 输入VG名字ibmvg01

* PHYSICAL VOLUME names 选项F4选择 hdisk2

Force the creation of a volume group 请修改为YES 这个是同仁前辈经验

Add a Big Volume Group   Type or select values in entry fields. Press Enter AFTER making all desired changes.                                                           [Entry Fields]   VOLUME GROUP name                                  []   Physical partition SIZE in megabytes                                        * PHYSICAL VOLUME names                              []                         Force the creation of a volume group?               no                        Activate volume group AUTOMATICALLY                 yes                         at system restart?   Volume Group MAJOR NUMBER                          []                         Create VG Concurrent Capable?                       no

运行lsvg –l

下面运行smit fs 选择Add / Change / Show / Delete File Systems

 

 

root@SVR059138[/]>smit fs                                                         File Systems   Move cursor to desired item and press Enter.     List All File Systems   List All Mounted File Systems   Add / Change / Show / Delete File Systems   Mount a File System   Mount a Group of File Systems   Unmount a File System   Unmount a Group of File Systems   Verify a File System   Backup a File System   Restore a File System   List Contents of a Backup   Create and back up a snapshot

 

 

建立JFS2文件系统所以选择Enhanced Journaled File Systems

 

Add / Change / Show / Delete File Systems   Move cursor to desired item and press Enter.     Enhanced Journaled File Systems   Journaled File Systems   CDROM File Systems   Network File System (NFS)

选择Add an Enhanced Journaled File System

Enhanced Journaled File Systems   Move cursor to desired item and press Enter.     Add an Enhanced Journaled File System   Add an Enhanced Journaled File System on a Previously Defined Logical Volume   Change / Show Characteristics of an Enhanced Journaled File System   Remove an Enhanced Journaled File System   Manage Quotas for an Enhanced Journaled File System   Defragment an Enhanced Journaled File System   List Snapshots for an Enhanced Journaled File System   Create Snapshot for an Enhanced Journaled File System   Mount Snapshot for an Enhanced Journaled File System   Remove Snapshot for an Enhanced Journaled File System   Unmount Snapshot for an Enhanced Journaled File System   Change Snapshot for an Enhanced Journaled File System   Rollback an Enhanced Journaled File System to a Snapshot

出现小窗口选择ibmvg01

Volume Group Name                                                        Move cursor to desired item and press Enter.                                                          rootvg                                            ibmvg01

 

Unit Size 选择容量单位，下面是选择M为单位，也可以选择G为单位：

注意：建议计算下，给VG留下1G空余空间，若建立FS空间超过VG当前最大可用空间，执行会提示报错

 

Add an Enhanced Journaled File System   Type or select values in entry fields.       Press Enter AFTER making all desired changes.                                                           [Entry Fields]   Volume group name                                   ibmvg01   SIZE of file system           Unit Size                                   Megabytes       *         Number of units                            [50000]          * MOUNT POINT                                        [/opt/IBM]   Mount AUTOMATICALLY at system restart?              yes               PERMISSIONS                                         read/write        Mount OPTIONS                                      []                 Block Size (bytes)                                  4096              Logical Volume for Log                                                Inline Log size (MBytes)                           []                 Extended Attribute Format                           Version 1         ENABLE Quota Management?                            no

正常运行完之后有如下提示

COMMAND STATUS   Command: running       stdout: yes           stderr: no   Before command completion, additional instructions may appear below.   File system created successfully. 51247384 kilobytes total disk space. New File System size is 102498304

运行完成lsvg ibmvg01验证下，确认

root@SVR059138[/]>lsvg ibmvg01 VOLUME GROUP:       ibmvg01                  VG IDENTIFIER: 000ce4f00000d60000000129d57707 21 VG STATE:           active                   PP SIZE:        64 megabyte(s) VG PERMISSION:      read/write               TOTAL PPs:      799 (51136 megabytes) MAX LVs:            512                      FREE PPs:       16 (1024 megabytes) LVs:                2                        USED PPs:       783 (50112 megabytes) OPEN LVs:           0                        QUORUM:         2 TOTAL PVs:          1                        VG DESCRIPTORS: 2 STALE PVs:          0                        STALE PPs:      0 ACTIVE PVs:         1                        AUTO ON:        yes MAX PPs per VG:     130048                                    MAX PPs per PV:     1016                     MAX PVs:        128 LTG size (Dynamic): 256 kilobyte(s)          AUTO SYNC:      no HOT SPARE:          no                       BB POLICY:      relocatable root@SVR059138[/]>df -g Filesystem    GB blocks      Free %Used    Iused %Iused Mounted on /dev/hd4           4.00      2.55   37%     3527     1% / /dev/hd2           7.00      5.18   27%    42053     4% /usr /dev/hd9var        0.25      0.17   32%      568     2% /var /dev/hd3           2.00      1.31   35%     7557     3% /tmp /dev/hd1           1.00      1.00    1%       92     1% /home /proc                 -         -    -         -     -  /proc /dev/hd10opt      50.00      5.77   89%   108206     8% /opt

 

 

 

root@SVR059138[/]>smit mount                                       Mount a File System   Move cursor to desired item and press Enter.     List All Mounted File Systems   Mount a File System   Mount a Group of File Systems

 

Mount a File System   Type or select values in entry fields. Press Enter AFTER making all desired changes.                                                           [Entry Fields]   FILE SYSTEM name                                   [/dev/fslv01]         DIRECTORY over which to mount                      [/opt/IBM]             TYPE of file system                                                      FORCE the mount?                                    no                   REMOTE NODE containing the file system             []     to mount                    Mount as a REMOVABLE file system?                   no                   Mount as a READ-ONLY system?                        no                   Disallow DEVICE access via this mount?              no                   Disallow execution of SUID and sgid programs        no                     in this file system?

 

 

root@SVR059138[/]>df -g Filesystem    GB blocks      Free %Used    Iused %Iused Mounted on /dev/hd4           4.00      2.55   37%     3527     1% / /dev/hd2           7.00      5.18   27%    42053     4% /usr /dev/hd9var        0.25      0.17   32%      568     2% /var /dev/hd3           2.00      1.31   35%     7557     3% /tmp /dev/hd1           1.00      1.00    1%       92     1% /home /proc                 -         -    -         -     -  /proc /dev/hd10opt      50.00      5.77   89%   108206     8% /opt /dev/fslv01       48.88     48.87    1%        4     1% /opt/IBM