• LVM


    Disk /dev/sdc: 10.7 GB, 10737418240 bytes
    64 heads, 32 sectors/track, 10240 cylinders
    Units = cylinders of 2048 * 512 = 1048576 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x95392dee
       Device Boot      Start         End      Blocks   Id  System
    /dev/sdc1               1       10240    10485744   8e  Linux LVM
    Disk /dev/sdd: 10.7 GB, 10737418240 bytes
    64 heads, 32 sectors/track, 10240 cylinders
    Units = cylinders of 2048 * 512 = 1048576 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x00000000
    Disk /dev/mapper/rootvg-root: 2147 MB, 2147483648 bytes
    255 heads, 63 sectors/track, 261 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x00000000
    Disk /dev/mapper/rootvg-swap01: 6442 MB, 6442450944 bytes
    255 heads, 63 sectors/track, 783 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x00000000
    Disk /dev/mapper/oravg-oraclelv: 48.3 GB, 48318382080 bytes
    255 heads, 63 sectors/track, 5874 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x00000000
    Disk /dev/mapper/rootvg-tmp: 4294 MB, 4294967296 bytes
    255 heads, 63 sectors/track, 522 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x00000000
    Disk /dev/mapper/rootvg-opt: 4294 MB, 4294967296 bytes
    255 heads, 63 sectors/track, 522 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x00000000
    Disk /dev/mapper/rootvg-usr: 10.7 GB, 10737418240 bytes
    255 heads, 63 sectors/track, 1305 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x00000000
    Disk /dev/mapper/rootvg-var: 10.7 GB, 10737418240 bytes
    255 heads, 63 sectors/track, 1305 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x00000000
    Disk /dev/mapper/rootvg-home: 4294 MB, 4294967296 bytes
    255 heads, 63 sectors/track, 522 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x00000000
    Disk /dev/sde: 53.7 GB, 53687091200 bytes
    64 heads, 32 sectors/track, 51200 cylinders
    Units = cylinders of 2048 * 512 = 1048576 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x8104904e
       Device Boot      Start         End      Blocks   Id  System
    /dev/sde1               1       51200    52428784   8e  Linux LVM
    Disk /dev/mapper/oravg-oradatalv: 53.7 GB, 53687091200 bytes
    255 heads, 63 sectors/track, 6527 cylinders
    Units = cylinders of 16065 * 512 = 8225280 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x00000000
    Disk /dev/sdf: 53.7 GB, 53687091200 bytes
    64 heads, 32 sectors/track, 51200 cylinders
    Units = cylinders of 2048 * 512 = 1048576 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x00000000
    [root@test ~]# fdisk /dev/sd
    sda   sda1  sda2  sdb   sdb1  sdc   sdc1  sdd   sde   sde1  sdf   
    [root@test ~]# fdisk /dev/sdd
    Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
    Building a new DOS disklabel with disk identifier 0x7b3afc49.
    Changes will remain in memory only, until you decide to write them.
    After that, of course, the previous content won't be recoverable.
    Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
    WARNING: DOS-compatible mode is deprecated. It's strongly recommended to
             switch off the mode (command 'c') and change display units to
             sectors (command 'u').
    Command (m for help): p
    Disk /dev/sdd: 10.7 GB, 10737418240 bytes
    64 heads, 32 sectors/track, 10240 cylinders
    Units = cylinders of 2048 * 512 = 1048576 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x7b3afc49
       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 (1-10240, default 1): 
    Using default value 1
    Last cylinder, +cylinders or +size{K,M,G} (1-10240, default 10240): 
    Using default value 10240
    Command (m for help): p
    Disk /dev/sdd: 10.7 GB, 10737418240 bytes
    64 heads, 32 sectors/track, 10240 cylinders
    Units = cylinders of 2048 * 512 = 1048576 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x7b3afc49
       Device Boot      Start         End      Blocks   Id  System
    /dev/sdd1               1       10240    10485744   83  Linux
    Command (m for help): w
    The partition table has been altered!
    Calling ioctl() to re-read partition table.
    Syncing disks.
    [root@test ~]# pv
    pvchange   pvck       pvcreate   pvdisplay  pvmove     pvremove   pvresize   pvs        pvscan     pv.sh      
    [root@test ~]# pvdisplay 
      --- Physical volume ---
      PV Name               /dev/sdb1
      VG Name               oravg
      PV Size               50.00 GiB / not usable 3.98 MiB
      Allocatable           yes 
      PE Size               4.00 MiB
      Total PE              12799
      Free PE               1278
      Allocated PE          11521
      PV UUID               2kCego-8ebB-h31g-9Ers-lbDo-HKZM-tE2qB3
       
      --- Physical volume ---
      PV Name               /dev/sdc1
      VG Name               oravg
      PV Size               10.00 GiB / not usable 3.98 MiB
      Allocatable           yes 
      PE Size               4.00 MiB
      Total PE              2559
      Free PE               2559
      Allocated PE          0
      PV UUID               cvfyG2-lGsU-M6xz-IDRx-ZNzs-Sm7j-u4QRGT
       
      --- Physical volume ---
      PV Name               /dev/sde1
      VG Name               oravg
      PV Size               50.00 GiB / not usable 3.98 MiB
      Allocatable           yes (but full)
      PE Size               4.00 MiB
      Total PE              12799
      Free PE               0
      Allocated PE          12799
      PV UUID               YsEdrR-qGuN-ouF0-axf2-vl1d-b7L7-MHpmDF
       
      --- Physical volume ---
      PV Name               /dev/sda2
      VG Name               rootvg
      PV Size               49.80 GiB / not usable 3.00 MiB
      Allocatable           yes 
      PE Size               4.00 MiB
      Total PE              12749
      Free PE               2509
      Allocated PE          10240
      PV UUID               Twj2r5-FmOE-O2aV-WdUa-Yk24-pvXR-wQeIVo
       
    [root@test ~]# pvs
      PV         VG     Fmt  Attr PSize  PFree 
      /dev/sda2  rootvg lvm2 a--  49.80g  9.80g
      /dev/sdb1  oravg  lvm2 a--  50.00g  4.99g
      /dev/sdc1  oravg  lvm2 a--  10.00g 10.00g
      /dev/sde1  oravg  lvm2 a--  50.00g     0 
    [root@test ~]# vgs
      VG     #PV #LV #SN Attr   VSize   VFree 
      oravg    3   2   0 wz--n- 109.99g 14.99g
      rootvg   1   7   0 wz--n-  49.80g  9.80g
    [root@test ~]# pvcreate /dev/sdd
    sdd   sdd1  
    [root@test ~]# pvcreate /dev/sdd1
      Physical volume "/dev/sdd1" successfully created
    [root@test ~]# pvs
      PV         VG     Fmt  Attr PSize  PFree 
      /dev/sda2  rootvg lvm2 a--  49.80g  9.80g
      /dev/sdb1  oravg  lvm2 a--  50.00g  4.99g
      /dev/sdc1  oravg  lvm2 a--  10.00g 10.00g
      /dev/sdd1         lvm2 a--  10.00g 10.00g
      /dev/sde1  oravg  lvm2 a--  50.00g     0 
    [root@test ~]# vgextend rootvg /dev/sdd1
      Volume group "rootvg" successfully extended
    [root@test ~]# vgs
      VG     #PV #LV #SN Attr   VSize   VFree 
      oravg    3   2   0 wz--n- 109.99g 14.99g
      rootvg   2   7   0 wz--n-  59.80g 19.80g
    [root@test ~]# lvcreate -l +10GBFREE timed out waiting for input: auto-logout
    Connection closing...Socket close.
    Connection closed by foreign host.
    Disconnected from remote host(172.16.122.202:22) at 09:10:39.
    Type `help' to learn how to use Xshell prompt.
    [d:~]$ 
    Connecting to 172.16.122.202:22...
    Connection established.
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  • 原文地址:https://www.cnblogs.com/liweiming/p/7488229.html
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