Redhat7.3磁盤分區日誌

[root@MM-web-1 /]# fdisk -l

Disk /dev/sdb: 53.7 GB, 53687091200 bytes, 104857600 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/sda: 53.7 GB, 53687091200 bytes, 104857600 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x0007add8

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048     1026047      512000   83  Linux
/dev/sda2         1026048   104857599    51915776   8e  Linux LVM

Disk /dev/mapper/Vg_root-lv_root: 32.2 GB, 32212254720 bytes, 62914560 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/mapper/Vg_root-lv_swap: 17.2 GB, 17179869184 bytes, 33554432 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

[root@MM-web-1 /]# df -h
Filesystem                   Size  Used Avail Use% Mounted on
/dev/mapper/Vg_root-lv_root   30G  5.2G   25G  18% /
devtmpfs                     3.9G     0  3.9G   0% /dev
tmpfs                        3.9G     0  3.9G   0% /dev/shm
tmpfs                        3.9G  8.5M  3.9G   1% /run
tmpfs                        3.9G     0  3.9G   0% /sys/fs/cgroup
/dev/sda1                    497M  131M  367M  27% /boot
tmpfs                        783M     0  783M   0% /run/user/0
/dev/loop0                   3.6G  3.6G     0 100% /mnt/iso
[root@MM-web-1 /]# vgs
  VG      #PV #LV #SN Attr   VSize  VFree
  Vg_root   1   2   0 wz--n- 49.51g 3.51g
[root@MM-web-1 /]# vgdisplay 
  --- Volume group ---
  VG Name               Vg_root
  System ID             
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  3
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                2
  Open LV               2
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size               49.51 GiB
  PE Size               4.00 MiB
  Total PE              12674
  Alloc PE / Size       11776 / 46.00 GiB
  Free  PE / Size       898 / 3.51 GiB
  VG UUID               SrOq7a-ff6E-jOPD-YWdO-3Mrd-6rtb-INWtNw
   
[root@MM-web-1 /]# vgs
  VG      #PV #LV #SN Attr   VSize  VFree
  Vg_root   1   2   0 wz--n- 49.51g 3.51g
[root@MM-web-1 /]# lvs
  LV      VG      Attr       LSize  Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
  lv_root Vg_root -wi-ao---- 30.00g                                                    
  lv_swap Vg_root -wi-ao---- 16.00g                                                    
[root@MM-web-1 /]# fdisk -l | grep sdb
Disk /dev/sdb: 53.7 GB, 53687091200 bytes, 104857600 sectors
[root@MM-web-1 /]# fdisk /dev/sdb 
Welcome to fdisk (util-linux 2.23.2).

Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.

Device does not contain a recognized partition table
Building a new DOS disklabel with disk identifier 0x853c71bb.

Command (m for help): q  

[root@MM-web-1 /]# fdisk /dev/sdb 
Welcome to fdisk (util-linux 2.23.2).

Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.

Device does not contain a recognized partition table
Building a new DOS disklabel with disk identifier 0xa46566e6.

Command (m for help): n
Partition type:
   p   primary (0 primary, 0 extended, 4 free)
   e   extended
Select (default p): p
Partition number (1-4, default 1): 
First sector (2048-104857599, default 2048): 
Using default value 2048
Last sector, +sectors or +size{K,M,G} (2048-104857599, default 104857599): 
Using default value 104857599
Partition 1 of type Linux and of size 50 GiB is set

Command (m for help): t
Selected partition 1
Hex code (type L to list all codes): L

 0  Empty           24  NEC DOS         81  Minix / old Lin bf  Solaris        
 1  FAT12           27  Hidden NTFS Win 82  Linux swap / So c1  DRDOS/sec (FAT-
 2  XENIX root      39  Plan 9          83  Linux           c4  DRDOS/sec (FAT-
 3  XENIX usr       3c  PartitionMagic  84  OS/2 hidden C:  c6  DRDOS/sec (FAT-
 4  FAT16 <32M      40  Venix 80286     85  Linux extended  c7  Syrinx         
 5  Extended        41  PPC PReP Boot   86  NTFS volume set da  Non-FS data    
 6  FAT16           42  SFS             87  NTFS volume set db  CP/M / CTOS / .
 7  HPFS/NTFS/exFAT 4d  QNX4.x          88  Linux plaintext de  Dell Utility   
 8  AIX             4e  QNX4.x 2nd part 8e  Linux LVM       df  BootIt         
 9  AIX bootable    4f  QNX4.x 3rd part 93  Amoeba          e1  DOS access     
 a  OS/2 Boot Manag 50  OnTrack DM      94  Amoeba BBT      e3  DOS R/O        
 b  W95 FAT32       51  OnTrack DM6 Aux 9f  BSD/OS          e4  SpeedStor      
 c  W95 FAT32 (LBA) 52  CP/M            a0  IBM Thinkpad hi eb  BeOS fs        
 e  W95 FAT16 (LBA) 53  OnTrack DM6 Aux a5  FreeBSD         ee  GPT            
 f  W95 Ext'd (LBA) 54  OnTrackDM6      a6  OpenBSD         ef  EFI (FAT-12/16/
10  OPUS            55  EZ-Drive        a7  NeXTSTEP        f0  Linux/PA-RISC b
11  Hidden FAT12    56  Golden Bow      a8  Darwin UFS      f1  SpeedStor      
12  Compaq diagnost 5c  Priam Edisk     a9  NetBSD          f4  SpeedStor      
14  Hidden FAT16 <3 61  SpeedStor       ab  Darwin boot     f2  DOS secondary  
16  Hidden FAT16    63  GNU HURD or Sys af  HFS / HFS+      fb  VMware VMFS    
17  Hidden HPFS/NTF 64  Novell Netware  b7  BSDI fs         fc  VMware VMKCORE 
18  AST SmartSleep  65  Novell Netware  b8  BSDI swap       fd  Linux raid auto
1b  Hidden W95 FAT3 70  DiskSecure Mult bb  Boot Wizard hid fe  LANstep        
1c  Hidden W95 FAT3 75  PC/IX           be  Solaris boot    ff  BBT            
1e  Hidden W95 FAT1 80  Old Minix      
Hex code (type L to list all codes): 8e
Changed type of partition 'Linux' to 'Linux LVM'

Command (m for help): p

Disk /dev/sdb: 53.7 GB, 53687091200 bytes, 104857600 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0xa46566e6

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1            2048   104857599    52427776   8e  Linux LVM

Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.
Syncing disks.
[root@MM-web-1 /]# fdisk -l

Disk /dev/sdb: 53.7 GB, 53687091200 bytes, 104857600 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0xa46566e6

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1            2048   104857599    52427776   8e  Linux LVM

Disk /dev/sda: 53.7 GB, 53687091200 bytes, 104857600 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x0007add8

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *        2048     1026047      512000   83  Linux
/dev/sda2         1026048   104857599    51915776   8e  Linux LVM

Disk /dev/mapper/Vg_root-lv_root: 32.2 GB, 32212254720 bytes, 62914560 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes


Disk /dev/mapper/Vg_root-lv_swap: 17.2 GB, 17179869184 bytes, 33554432 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

[root@MM-web-1 /]# pvs
  PV         VG      Fmt  Attr PSize  PFree
  /dev/sda2  Vg_root lvm2 a--  49.51g 3.51g
[root@MM-web-1 /]# pvcreate /dev/sdb1
  Physical volume "/dev/sdb1" successfully created.
[root@MM-web-1 /]# pvs
  PV         VG      Fmt  Attr PSize  PFree 
  /dev/sda2  Vg_root lvm2 a--  49.51g  3.51g
  /dev/sdb1          lvm2 ---  50.00g 50.00g
[root@MM-web-1 /]# vgcreate vg_app /dev/sdb1
  Volume group "vg_app" successfully created
[root@MM-web-1 /]# vgs
  VG      #PV #LV #SN Attr   VSize  VFree 
  Vg_root   1   2   0 wz--n- 49.51g  3.51g
  vg_app    1   0   0 wz--n- 50.00g 50.00g
[root@MM-web-1 /]# lvcreate -n lv_app -L 50G vg_app
  Volume group "vg_app" has insufficient free space (12799 extents): 12800 required.
[root@MM-web-1 /]# lvcreate -n lv_app -l 100%free vg_app
  Logical volume "lv_app" created.
[root@MM-web-1 /]# lvs
  LV      VG      Attr       LSize  Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert
  lv_root Vg_root -wi-ao---- 30.00g                                                    
  lv_swap Vg_root -wi-ao---- 16.00g                                                    
  lv_app  vg_app  -wi-a----- 50.00g                                                    
[root@MM-web-1 /]# df -Th
Filesystem                  Type      Size  Used Avail Use% Mounted on
/dev/mapper/Vg_root-lv_root xfs        30G  5.2G   25G  18% /
devtmpfs                    devtmpfs  3.9G     0  3.9G   0% /dev
tmpfs                       tmpfs     3.9G     0  3.9G   0% /dev/shm
tmpfs                       tmpfs     3.9G  8.5M  3.9G   1% /run
tmpfs                       tmpfs     3.9G     0  3.9G   0% /sys/fs/cgroup
/dev/sda1                   xfs       497M  131M  367M  27% /boot
tmpfs                       tmpfs     783M     0  783M   0% /run/user/0
/dev/loop0                  iso9660   3.6G  3.6G     0 100% /mnt/iso
[root@MM-web-1 /]# mkfs.xfs /dev/vg_app/lv_app 
meta-data=/dev/vg_app/lv_app     isize=512    agcount=4, agsize=3276544 blks
         =                       sectsz=512   attr=2, projid32bit=1
         =                       crc=1        finobt=0, sparse=0
data     =                       bsize=4096   blocks=13106176, imaxpct=25
         =                       sunit=0      swidth=0 blks
naming   =version 2              bsize=4096   ascii-ci=0 ftype=1
log      =internal log           bsize=4096   blocks=6399, version=2
         =                       sectsz=512   sunit=0 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0
[root@MM-web-1 /]# vim /etc/fstab 
[root@MM-web-1 /]# vim /dev/mapper/
control          vg_app-lv_app    Vg_root-lv_root  Vg_root-lv_swap
[root@MM-web-1 /]# vim /etc/fstab 
[root@MM-web-1 /]# mkdir -pv /app/airops/workspace
mkdir: created directory ‘/app’
mkdir: created directory ‘/app/airops’
mkdir: created directory ‘/app/airops/workspace’
[root@MM-web-1 /]# df -h
Filesystem                   Size  Used Avail Use% Mounted on
/dev/mapper/Vg_root-lv_root   30G  5.2G   25G  18% /
devtmpfs                     3.9G     0  3.9G   0% /dev
tmpfs                        3.9G     0  3.9G   0% /dev/shm
tmpfs                        3.9G  8.5M  3.9G   1% /run
tmpfs                        3.9G     0  3.9G   0% /sys/fs/cgroup
/dev/sda1                    497M  131M  367M  27% /boot
tmpfs                        783M     0  783M   0% /run/user/0
/dev/loop0                   3.6G  3.6G     0 100% /mnt/iso
[root@MM-web-1 /]# mount -a
[root@MM-web-1 /]# df -h
Filesystem                   Size  Used Avail Use% Mounted on
/dev/mapper/Vg_root-lv_root   30G  5.2G   25G  18% /
devtmpfs                     3.9G     0  3.9G   0% /dev
tmpfs                        3.9G     0  3.9G   0% /dev/shm
tmpfs                        3.9G  8.5M  3.9G   1% /run
tmpfs                        3.9G     0  3.9G   0% /sys/fs/cgroup
/dev/sda1                    497M  131M  367M  27% /boot
tmpfs                        783M     0  783M   0% /run/user/0
/dev/loop0                   3.6G  3.6G     0 100% /mnt/iso
/dev/mapper/vg_app-lv_app     50G   33M   50G   1% /app/airops/workspace
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