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  • LVM




    Connecting to 172.16.122.208:22...
    Connection established.
    To escape to local shell, press 'Ctrl+Alt+]'.
    Last login: Wed Jul 19 01:50:42 2017 from 172.16.8.51
    [mauser@localhost ~]$ df -h
    Filesystem            Size  Used Avail Use% Mounted on
    /dev/mapper/rootvg-root
                          992M  350M  591M  38% /
    /dev/mapper/rootvg-usr
                          9.7G  2.8G  6.5G  31% /usr
    /dev/mapper/rootvg-opt
                          3.9G  137M  3.6G   4% /opt
    /dev/mapper/rootvg-app
                           20G  173M   19G   1% /app
    /dev/mapper/rootvg-var
                          3.9G  298M  3.4G   8% /var
    /dev/mapper/rootvg-tmp
                          3.9G  137M  3.6G   4% /tmp
    /dev/mapper/rootvg-home
                          3.9G  137M  3.6G   4% /home
    /dev/mapper/oravg-oraclelv
                           40G  176M   38G   1% /u01
    /dev/sda1             494M   18M  451M   4% /boot
    tmpfs                 3.9G     0  3.9G   0% /dev/shm
    [mauser@localhost ~]$ fdisk /dev/sd
    sda   sda1  sda2  sdb   sdb1  
    [mauser@localhost ~]$ init 6
    -bash: init: command not found
    [mauser@localhost ~]$ su -
    Password: 
    [root@localhost ~]# init 6
    [root@localhost ~]# Connection closing...Socket close.
    Connection closed by foreign host.
    Disconnected from remote host(ora 172.16.122.208) at 18:36:35.
    Type `help' to learn how to use Xshell prompt.
    [d:~]$ 
    Connecting to 172.16.122.208:22...
    Could not connect to '172.16.122.208' (port 22): Connection failed.
    Type `help' to learn how to use Xshell prompt.
    [d:~]$ 
    Connecting to 172.16.122.208:22...
    Connection established.
    To escape to local shell, press 'Ctrl+Alt+]'.
    Last login: Mon Jul 24 10:36:04 2017 from 172.16.8.51
    [mauser@localhost ~]$ su -
    Password: 
    [root@localhost ~]# fdisk /dev/sd
    sda   sda1  sda2  sdb   sdb1  sdc   
    [root@localhost ~]# fdisk /dev/sdc
    Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
    Building a new DOS disklabel. Changes will remain in memory only,
    until you decide to write them. After that, of course, the previous
    content won't be recoverable.
    The number of cylinders for this disk is set to 6527.
    There is nothing wrong with that, but this is larger than 1024,
    and could in certain setups cause problems with:
    1) software that runs at boot time (e.g., old versions of LILO)
    2) booting and partitioning software from other OSs
       (e.g., DOS FDISK, OS/2 FDISK)
    Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
    Command (m for help): 
    [root@localhost ~]# fdisk /dev/sdc
    [root@localhost ~]# fdisk /dev/sdc
    Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
    Building a new DOS disklabel. Changes will remain in memory only,
    until you decide to write them. After that, of course, the previous
    content won't be recoverable.
    The number of cylinders for this disk is set to 6527.
    There is nothing wrong with that, but this is larger than 1024,
    and could in certain setups cause problems with:
    1) software that runs at boot time (e.g., old versions of LILO)
    2) booting and partitioning software from other OSs
       (e.g., DOS FDISK, OS/2 FDISK)
    Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
    Command (m for help): p
    Disk /dev/sdc: 53.6 GB, 53687091200 bytes
    255 heads, 63 sectors/track, 6527 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
       Device Boot      Start         End      Blocks   Id  System
    Command (m for help): n
    Command action
       e   extended
       p   primary partition (1-4)
    p
    Partition number (1-4): 1
    First cylinder (1-6527, default 1): 
    Using default value 1
    Last cylinder or +size or +sizeM or +sizeK (1-6527, default 6527): 
    Using default value 6527
    Command (m for help): t
    Selected partition 1
    Hex code (type L to list codes): 8e
    Changed system type of partition 1 to 8e (Linux LVM)
    Command (m for help): p
    Disk /dev/sdc: 53.6 GB, 53687091200 bytes
    255 heads, 63 sectors/track, 6527 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
       Device Boot      Start         End      Blocks   Id  System
    /dev/sdc1               1        6527    52428096   8e  Linux LVM
    Command (m for help): w
    The partition table has been altered!
    Calling ioctl() to re-read partition table.
    Syncing disks.
    [root@localhost ~]# df -h
    Filesystem            Size  Used Avail Use% Mounted on
    /dev/mapper/rootvg-root
                          992M  350M  591M  38% /
    /dev/mapper/rootvg-usr
                          9.7G  2.8G  6.5G  31% /usr
    /dev/mapper/rootvg-opt
                          3.9G  137M  3.6G   4% /opt
    /dev/mapper/rootvg-app
                           20G  173M   19G   1% /app
    /dev/mapper/rootvg-var
                          3.9G  296M  3.4G   8% /var
    /dev/mapper/rootvg-tmp
                          3.9G  137M  3.6G   4% /tmp
    /dev/mapper/rootvg-home
                          3.9G  137M  3.6G   4% /home
    /dev/mapper/oravg-oraclelv
                           40G  176M   38G   1% /u01
    /dev/sda1             494M   18M  451M   4% /boot
    tmpfs                 3.9G     0  3.9G   0% /dev/shm
    [root@localhost ~]# pvcreate /dev/sd
    sda   sda1  sda2  sdb   sdb1  sdc   sdc1  
    [root@localhost ~]# pvcreate /dev/sdc1
      Writing physical volume data to disk "/dev/sdc1"
      Physical volume "/dev/sdc1" successfully created
    [root@localhost ~]# pvs
      PV         VG     Fmt  Attr PSize  PFree 
      /dev/sda2  rootvg lvm2 a--  59.47G  4.47G
      /dev/sdb1  oravg  lvm2 a--  49.97G  9.97G
      /dev/sdc1         lvm2 a--  50.00G 50.00G
    [root@localhost ~]# vgextend oravg /dev/sdc1
      Volume group "oravg" successfully extended
    [root@localhost ~]# vgs
      VG     #PV #LV #SN Attr   VSize  VFree 
      oravg    2   1   0 wz--n- 99.94G 59.94G
      rootvg   1   8   0 wz--n- 59.47G  4.47G
    [root@localhost ~]# lvcreate -L 50G -n oradatalv oravg
      Logical volume "oradatalv" created
    [root@localhost ~]# lvs
      LV        VG     Attr   LSize  Origin Snap%  Move Log Copy%  Convert
      oraclelv  oravg  -wi-ao 40.00G                                      
      oradatalv oravg  -wi-a- 50.00G                                      
      app       rootvg -wi-ao 20.00G                                      
      home      rootvg -wi-ao  4.00G                                      
      opt       rootvg -wi-ao  4.00G                                      
      root      rootvg -wi-ao  1.00G                                      
      swap01    rootvg -wi-ao  8.00G                                      
      tmp       rootvg -wi-ao  4.00G                                      
      usr       rootvg -wi-ao 10.00G                                      
      var       rootvg -wi-ao  4.00G                                      
    [root@localhost ~]# mkfs.ext4 /dev/oravg/oradatalv 
    mke2fs 1.42 (29-Nov-2011)
    Filesystem label=
    OS type: Linux
    Block size=4096 (log=2)
    Fragment size=4096 (log=2)
    Stride=0 blocks, Stripe width=0 blocks
    3276800 inodes, 13107200 blocks
    655360 blocks (5.00%) reserved for the super user
    First data block=0
    Maximum filesystem blocks=4294967296
    400 block groups
    32768 blocks per group, 32768 fragments per group
    8192 inodes per group
    Superblock backups stored on blocks: 
    32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 
    4096000, 7962624, 11239424
    Allocating group tables: done                            
    Writing inode tables: done                            
    Creating journal (32768 blocks): done
    Writing superblocks and filesystem accounting information:        
    done
    [root@localhost ~]# 
    [root@localhost ~]# mkdir /oradata
    [root@localhost ~]# chown oracle:oinstall /oradata
    chown: `oracle:oinstall': invalid user
    [root@localhost ~]# 
    [root@localhost ~]# mount /dev/oravg/oradatalv /oradata/
    [root@localhost ~]# df -h
    Filesystem            Size  Used Avail Use% Mounted on
    /dev/mapper/rootvg-root
                          992M  350M  591M  38% /
    /dev/mapper/rootvg-usr
                          9.7G  2.8G  6.5G  31% /usr
    /dev/mapper/rootvg-opt
                          3.9G  137M  3.6G   4% /opt
    /dev/mapper/rootvg-app
                           20G  173M   19G   1% /app
    /dev/mapper/rootvg-var
                          3.9G  296M  3.4G   8% /var
    /dev/mapper/rootvg-tmp
                          3.9G  137M  3.6G   4% /tmp
    /dev/mapper/rootvg-home
                          3.9G  137M  3.6G   4% /home
    /dev/mapper/oravg-oraclelv
                           40G  176M   38G   1% /u01
    /dev/sda1             494M   18M  451M   4% /boot
    tmpfs                 3.9G     0  3.9G   0% /dev/shm
    /dev/mapper/oravg-oradatalv
                           50G  180M   47G   1% /oradata
    [root@localhost ~]# vi /etc/fstab 
    [root@localhost ~]# df -h
    Filesystem            Size  Used Avail Use% Mounted on
    /dev/mapper/rootvg-root
                          992M  350M  591M  38% /
    /dev/mapper/rootvg-usr
                          9.7G  2.8G  6.5G  31% /usr
    /dev/mapper/rootvg-opt
                          3.9G  137M  3.6G   4% /opt
    /dev/mapper/rootvg-app
                           20G  173M   19G   1% /app
    /dev/mapper/rootvg-var
                          3.9G  296M  3.4G   8% /var
    /dev/mapper/rootvg-tmp
                          3.9G  137M  3.6G   4% /tmp
    /dev/mapper/rootvg-home
                          3.9G  137M  3.6G   4% /home
    /dev/mapper/oravg-oraclelv
                           40G  176M   38G   1% /u01
    /dev/sda1             494M   18M  451M   4% /boot
    tmpfs                 3.9G     0  3.9G   0% /dev/shm
    /dev/mapper/oravg-oradatalv
                           50G  180M   47G   1% /oradata
    [root@localhost ~]# cd /oradata/
    [root@localhost oradata]# ll
    total 16
    drwx------ 2 root root 16384 Jul 24 10:48 lost+found
    [root@localhost oradata]# timed out waiting for input: auto-logout
    [mauser@localhost ~]$ timed out waiting for input: auto-logout
    Connection closing...Socket close.
    Connection closed by foreign host.
    Disconnected from remote host(ora 172.16.122.208) at 19:05:02.
    Type `help' to learn how to use Xshell prompt.
    [d:~]$ 
    Connecting to 172.16.122.208:22...
    Connection established.
    To escape to local shell, press 'Ctrl+Alt+]'.
    Last login: Mon Jul 24 10:38:30 2017 from 172.16.8.51
    [mauser@localhost ~]$ df -h
    Filesystem            Size  Used Avail Use% Mounted on
    /dev/mapper/rootvg-root
                          992M  350M  591M  38% /
    /dev/mapper/rootvg-usr
                          9.7G  2.8G  6.5G  31% /usr
    /dev/mapper/rootvg-opt
                          3.9G  137M  3.6G   4% /opt
    /dev/mapper/rootvg-app
                           20G  173M   19G   1% /app
    /dev/mapper/rootvg-var
                          3.9G  296M  3.4G   8% /var
    /dev/mapper/rootvg-tmp
                          3.9G  137M  3.6G   4% /tmp
    /dev/mapper/rootvg-home
                          3.9G  137M  3.6G   4% /home
    /dev/mapper/oravg-oraclelv
                           40G  176M   38G   1% /u01
    /dev/sda1             494M   18M  451M   4% /boot
    tmpfs                 3.9G     0  3.9G   0% /dev/shm
    /dev/mapper/oravg-oradatalv
                           50G  180M   47G   1% /oradata
    [mauser@localhost ~]$ init 6
    -bash: init: command not found
    [mauser@localhost ~]$ su -
    Password: 
    [root@localhost ~]# init 6
    [root@localhost ~]# Connection closing...Socket close.
    Connection closed by foreign host.
    Disconnected from remote host(ora 172.16.122.208) at 19:08:05.
    Type `help' to learn how to use Xshell prompt.
    [d:~]$ 
    Connecting to 172.16.122.208:22...
    Could not connect to '172.16.122.208' (port 22): Connection failed.
    Type `help' to learn how to use Xshell prompt.
    [d:~]$ 
    Connecting to 172.16.122.208:22...
    Connection established.
    To escape to local shell, press 'Ctrl+Alt+]'.
    Last login: Mon Jul 24 11:07:27 2017 from 172.16.8.51
    [mauser@localhost ~]$ su -
    Password: 
    [root@localhost ~]# fdisk /dev/sd
    sda   sda1  sda2  sdb   sdb1  sdc   sdc1  sdd   
    [root@localhost ~]# fdisk /dev/sdd
    Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
    Building a new DOS disklabel. Changes will remain in memory only,
    until you decide to write them. After that, of course, the previous
    content won't be recoverable.
    The number of cylinders for this disk is set to 6527.
    There is nothing wrong with that, but this is larger than 1024,
    and could in certain setups cause problems with:
    1) software that runs at boot time (e.g., old versions of LILO)
    2) booting and partitioning software from other OSs
       (e.g., DOS FDISK, OS/2 FDISK)
    Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
    Command (m for help): p
    Disk /dev/sdd: 53.6 GB, 53687091200 bytes
    255 heads, 63 sectors/track, 6527 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
       Device Boot      Start         End      Blocks   Id  System
    Command (m for help): n
    Command action
       e   extended
       p   primary partition (1-4)
    p
    Partition number (1-4): 1
    First cylinder (1-6527, default 1): 
    Using default value 1
    Last cylinder or +size or +sizeM or +sizeK (1-6527, default 6527): 
    Using default value 6527
    Command (m for help): t
    Selected partition 1
    Hex code (type L to list codes): 8e
    Changed system type of partition 1 to 8e (Linux LVM)
    Command (m for help): p
    Disk /dev/sdd: 53.6 GB, 53687091200 bytes
    255 heads, 63 sectors/track, 6527 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
       Device Boot      Start         End      Blocks   Id  System
    /dev/sdd1               1        6527    52428096   8e  Linux LVM
    Command (m for help): w
    The partition table has been altered!
    Calling ioctl() to re-read partition table.
    Syncing disks.
    [root@localhost ~]# pvcreate /dev/sd
    sda   sda1  sda2  sdb   sdb1  sdc   sdc1  sdd   sdd1  
    [root@localhost ~]# pvcreate /dev/sdd1
      Writing physical volume data to disk "/dev/sdd1"
      Physical volume "/dev/sdd1" successfully created
    [root@localhost ~]# pvs
      PV         VG     Fmt  Attr PSize  PFree 
      /dev/sda2  rootvg lvm2 a--  59.47G  4.47G
      /dev/sdb1  oravg  lvm2 a--  49.97G  9.94G
      /dev/sdc1  oravg  lvm2 a--  49.97G     0 
      /dev/sdd1         lvm2 a--  50.00G 50.00G
    [root@localhost ~]# vgcreate mauservg /dev/sdd1 -s 64M
      Volume group "mauservg" successfully created
    [root@localhost ~]# pvs
      PV         VG       Fmt  Attr PSize  PFree 
      /dev/sda2  rootvg   lvm2 a--  59.47G  4.47G
      /dev/sdb1  oravg    lvm2 a--  49.97G  9.94G
      /dev/sdc1  oravg    lvm2 a--  49.97G     0 
      /dev/sdd1  mauservg lvm2 a--  49.94G 49.94G
    [root@localhost ~]# lvs
      LV        VG     Attr   LSize  Origin Snap%  Move Log Copy%  Convert
      oraclelv  oravg  -wi-ao 40.00G                                      
      oradatalv oravg  -wi-a- 50.00G                                      
      app       rootvg -wi-ao 20.00G                                      
      home      rootvg -wi-ao  4.00G                                      
      opt       rootvg -wi-ao  4.00G                                      
      root      rootvg -wi-ao  1.00G                                      
      swap01    rootvg -wi-ao  8.00G                                      
      tmp       rootvg -wi-ao  4.00G                                      
      usr       rootvg -wi-ao 10.00G                                      
      var       rootvg -wi-ao  4.00G                                      
    [root@localhost ~]# lvcreate -L 30G -n mauserlv mauservg
      Logical volume "mauserlv" created
    [root@localhost ~]# lvs
      LV        VG       Attr   LSize  Origin Snap%  Move Log Copy%  Convert
      mauserlv  mauservg -wi-a- 30.00G                                      
      oraclelv  oravg    -wi-ao 40.00G                                      
      oradatalv oravg    -wi-a- 50.00G                                      
      app       rootvg   -wi-ao 20.00G                                      
      home      rootvg   -wi-ao  4.00G                                      
      opt       rootvg   -wi-ao  4.00G                                      
      root      rootvg   -wi-ao  1.00G                                      
      swap01    rootvg   -wi-ao  8.00G                                      
      tmp       rootvg   -wi-ao  4.00G                                      
      usr       rootvg   -wi-ao 10.00G                                      
      var       rootvg   -wi-ao  4.00G                                      
    [root@localhost ~]# mkfs.ext4 /dev/mauservg/mauserlv 
    mke2fs 1.42 (29-Nov-2011)
    Filesystem label=
    OS type: Linux
    Block size=4096 (log=2)
    Fragment size=4096 (log=2)
    Stride=0 blocks, Stripe width=0 blocks
    1966080 inodes, 7864320 blocks
    393216 blocks (5.00%) reserved for the super user
    First data block=0
    Maximum filesystem blocks=4294967296
    240 block groups
    32768 blocks per group, 32768 fragments per group
    8192 inodes per group
    Superblock backups stored on blocks: 
    32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 
    4096000
    Allocating group tables: done                            
    Writing inode tables: done                            
    Creating journal (32768 blocks): done
    Writing superblocks and filesystem accounting information:        
    done
    [root@localhost ~]# 
    [root@localhost ~]# mkdir /mauser
    [root@localhost ~]# mount /dev/mauservg/mauserlv /mauser/
    [root@localhost ~]# df -h
    Filesystem            Size  Used Avail Use% Mounted on
    /dev/mapper/rootvg-root
                          992M  351M  591M  38% /
    /dev/mapper/rootvg-usr
                          9.7G  2.8G  6.5G  31% /usr
    /dev/mapper/rootvg-opt
                          3.9G  137M  3.6G   4% /opt
    /dev/mapper/rootvg-app
                           20G  173M   19G   1% /app
    /dev/mapper/rootvg-var
                          3.9G  296M  3.4G   8% /var
    /dev/mapper/rootvg-tmp
                          3.9G  137M  3.6G   4% /tmp
    /dev/mapper/rootvg-home
                          3.9G  137M  3.6G   4% /home
    /dev/mapper/oravg-oraclelv
                           40G  176M   38G   1% /u01
    /dev/sda1             494M   18M  451M   4% /boot
    tmpfs                 3.9G     0  3.9G   0% /dev/shm
    /dev/mapper/mauservg-mauserlv
                           30G  172M   28G   1% /mauser
    [root@localhost ~]# vi /etc/fstab 
    [root@localhost ~]# timed out waiting for input: auto-logout
    [mauser@localhost ~]$ su -
    Password: 
    [root@localhost ~]# vi /etc/fstab 
    [root@localhost ~]# 
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  • 原文地址:https://www.cnblogs.com/liweiming/p/7230692.html
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