LVM file system 格式化

 

root@zhou:/home/ubuntu# pvs
  PV         VG     Fmt  Attr PSize  PFree
  /dev/sdc3  klas00 lvm2 a--  <3.64t    0 
root@zhou:/home/ubuntu# 

root@zhou:/home/ubuntu# pvs
  PV         VG     Fmt  Attr PSize  PFree
  /dev/sdc3  klas00 lvm2 a--  <3.64t    0 
root@zhou:/home/ubuntu# vgscan
  Reading volume groups from cache.
  Found volume group "klas00" using metadata type lvm2
root@zhou:/home/ubuntu# vgdisplay -v  klas00
  --- Volume group ---
  VG Name               klas00
  System ID             
  Format                lvm2
  Metadata Areas        1
  Metadata Sequence No  4
  VG Access             read/write
  VG Status             resizable
  MAX LV                0
  Cur LV                3
  Open LV               0
  Max PV                0
  Cur PV                1
  Act PV                1
  VG Size               <3.64 TiB
  PE Size               4.00 MiB
  Total PE              953555
  Alloc PE / Size       953555 / <3.64 TiB
  Free  PE / Size       0 / 0   
  VG UUID               7EB0fc-tqpd-h6EU-tbZP-V9i4-FiwF-agWNsV
   
  --- Logical volume ---
  LV Path                /dev/klas00/swap
  LV Name                swap
  VG Name                klas00
  LV UUID                A8rnrm-G5Jy-yhB9-NE6A-wmE0-Ah37-BReoye
  LV Write Access        read/write
  LV Creation host, time localhost, 2020-04-21 10:36:43 +0800
  LV Status              available
  # open                 0
  LV Size                4.00 GiB
  Current LE             1024
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:0
   
  --- Logical volume ---
  LV Path                /dev/klas00/home
  LV Name                home
  VG Name                klas00
  LV UUID                ioExZc-sJ7U-VCQS-IZSF-Cn91-Nf8V-6TBV4A
  LV Write Access        read/write
  LV Creation host, time localhost, 2020-04-21 10:36:44 +0800
  LV Status              available
  # open                 0
  LV Size                3.58 TiB
  Current LE             939731
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:1
   
  --- Logical volume ---
  LV Path                /dev/klas00/root
  LV Name                root
  VG Name                klas00
  LV UUID                MRRxfE-HEbB-ApXU-deQl-Qjkh-WYhe-7Wm4ER
  LV Write Access        read/write
  LV Creation host, time localhost, 2020-04-21 10:36:55 +0800
  LV Status              available
  # open                 0
  LV Size                50.00 GiB
  Current LE             12800
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:2
   
  --- Physical volumes ---
  PV Name               /dev/sdc3     
  PV UUID               RRB3p6-rwHe-pesY-APhZ-kEvv-Gwlu-RzSCRK
  PV Status             allocatable
  Total PE / Free PE    953555 / 0
   
root@zhou:/home/ubuntu#