--- Volume group ---
VG Name? centos
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? 3
Max PV 0
Cur PV 1
Act PV 1
VG Size? <110.81 GiB
PE Size? 4.00 MiB
Total PE? 28367
Alloc PE / Size? 28367 / <110.81 GiB
Free? PE / Size? 0 / 0
VG UUID? Nt91Zx-Haal-LOPL-fDJF-XGjk-SvaA-yl9hgL
vvilog@centos /h/vvilog> /sbin/vgdisplay
--- Volume group ---
VG Name? centos
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? 3
Max PV 0
Cur PV 1
Act PV 1
VG Size? <110.81 GiB
PE Size? 4.00 MiB
Total PE? 28367
Alloc PE / Size? 28367 / <110.81 GiB
Free? PE / Size? 0 / 0
VG UUID? Nt91Zx-Haal-LOPL-fDJF-XGjk-SvaA-yl9hgL
vvilog@centos /h/vvilog> /sbin/lvdisplay
--- Logical volume ---
LV Path /dev/centos/root
LV Name root
VG Name centos
LV UUID NUekJb-ZCIc-mwcL-ExzX-ROYd-bD7T-HmPqql
LV Write Access read/write
LV Creation host, time centos, 2018-07-11 19:47:08 +0800
LV Status? available
# open 1
LV Size 60.00 GiB
Current LE 15360
Segments? 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device? 253:0
--- Logical volume ---
LV Path ? /dev/centos/home
LV Name home
VG Name centos
LV UUID eShHQo-MewK-xN7H-ZqBu-GIV6-KMQI-YA606U
LV Write Access read/write
LV Creation host, time centos, 2018-07-11 19:47:09 +0800
LV Status? available
# open 1
LV Size 48.00 GiB
Current LE 12288
Segments? 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device? 253:2
--- Logical volume ---
LV Path /dev/centos/swap
LV Name swap
VG Name centos
LV UUID hwO7J7-gmbh-jgiT-vFLA-jsdI-8241-CSHEM8
LV Write Access read/write
LV Creation host, time centos, 2018-07-11 19:47:10 +0800
LV Status? available
# open 2
LV Size <2.81 GiB
Current LE 719
Segments? 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device? 253:1
vvilog@centos /h/vvilog> /sbin/fdisk /dev/sda
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
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.
Command (m for help): t
Partition number (1-4, default 4): 4
Partition type (type L to list all types): 8e
Type of partition 4 is unchanged: Linux filesystem
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
WARNING: Re-reading the partition table failed with error 16: Device or resource busy.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
Syncing disks.
vvilog@centos /h/vvilog> /sbin/partprobe
vvilog@centos /h/vvilog> /sbin/fdisk /dev/sda
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
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.
Command (m for help): p
Disk /dev/sda: 1000.2 GB, 1000204886016 bytes, 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk label type: gpt
Disk identifier: 30B84C4D-0A79-4BAE-8950-8C0FDF86949E
# Start? End Size? Type Name
1 2048? 1026047 500M? EFI System? EFI System Partition
2? 1026048? 2050047 500M? Microsoft basic
3? 2050048 234440703? 110.8G? Linux LVM
4 234440704? 1953523711? 819.7G? Linux filesyste
Command (m for help): t
Partition number (1-4, default 4): 4
Partition type (type L to list all types): l
? 19 Linux swap 0657FD6D-A4AB-43C4-84E5-0933C84B4F4F
?31 Linux LVM? E6D6D379-F507-44C2-A23C-238F2A3DF928
Partition type (type L to list all types): t
Type of partition 4 is unchanged: Linux filesystem
Command (m for help): t
Partition number (1-4, default 4): 4
Partition type (type L to list all types): 31
Changed type of partition 'Linux filesystem' to 'Linux LVM'
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
WARNING: Re-reading the partition table failed with error 16: Device or resource busy.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
Syncing disks.
vvilog@centos /h/vvilog> /sbin/partprobe
vvilog@centos /h/vvilog> /usr/sbin/vgextend centos /dev/sda4
Volume group "centos" successfully extended
vvilog@centos /h/vvilog> whereis? lvextend
lvextend: /usr/sbin/lvextend /usr/share/man/man8/lvextend.8.gz
vvilog@centos /h/vvilog> /sbin/lvextend -L +760g /dev/centos/home
Size of logical volume centos/home changed from 48.00 GiB (12288 extents) to 808.00 GiB (206848 extents).
Logical volume centos/home successfully resized.
vvilog@centos /h/vvilog> df -lh
Filesystem? Size? Used Avail Use% Mounted on
/dev/mapper/centos-root? 60G? 5.5G? 55G? 10% /
devtmpfs 1.7G 0? 1.7G? 0% /dev
tmpfs 1.7G 0? 1.7G? 0% /dev/shm
tmpfs 1.7G? 9.6M? 1.7G? 1% /run
tmpfs 1.7G 0? 1.7G? 0% /sys/fs/cgroup
/dev/sda2 497M? 178M? 320M? 36% /boot
/dev/sda1 500M? 9.8M? 490M? 2% /boot/efi
/dev/mapper/centos-home? 48G? 5.6G? 43G? 12% /hom e
tmpfs 344M? 12K? 344M? 1% /run/user/1000
vvilog@centos /h/vvilog> /sbin/resize2fs /dev/centos/home
resize2fs 1.42.9 (28-Dec-2013)
/sbin/resize2fs: Bad magic number in super-block while trying to open /dev/centos/home
Couldn't find valid filesystem superblock.
vvilog@centos /h/vvilog> /sbin/xfs_growfs /dev/centos/home
meta-data=/dev/mapper/centos-home isize=512 agcount=4, agsize=3145728 blks
=? sectsz=512? attr=2, projid32bit=1
=? crc=1 finobt=0 spinodes=0
data =? bsize=4096? blocks=12582912, imaxpct=25
=? sunit=0? swidth=0 blks
naming? =version 2? bsize=4096? ascii-ci=0 ftype=1
log? =internal? bsize=4096? blocks=6144, version=2
=? sectsz=512? sunit=0 blks, lazy-count=1
realtime =none? extsz=4096? blocks=0, rtextents=0
data blocks changed from 12582912 to 211812352
vvilog@centos /h/vvilog> df -lh
Filesystem? Size? Used Avail Use% Mounted on
/dev/mapper/centos-root? 60G? 5.5G? 55G? 10% /
devtmpfs 1.7G 0? 1.7G? 0% /dev
tmpfs 1.7G 0? 1.7G? 0% /dev/shm
tmpfs 1.7G? 9.6M? 1.7G? 1% /run
tmpfs 1.7G 0? 1.7G? 0% /sys/fs/cgroup
/dev/sda2 497M? 178M? 320M? 36% /boot
/dev/sda1 500M? 9.8M? 490M? 2% /boot/efi
/dev/mapper/centos-home? 808G? 5.6G? 803G? 1% /home
tmpfs 344M? 12K? 344M? 1% /run/user/1000