Shulou(Shulou.com)06/02 Report--

[root@backup binlog] # vgdisplay

-Volume group

VG Name centos

System ID

Format lvm2

Metadata Areas 2

Metadata Sequence No 8

VG Access read/write

VG Status resizable

MAX LV 0

Cur LV 3

Open LV 3

Max PV 0

Cur PV 2

Act PV 2

VG Size 2.73 TiB

PE Size 4.00 MiB

Total PE 715273

Alloc PE / Size 712822 / 2.72 TiB

Free PE / Size 2451 / 9.57 GiB

VG UUID 6rIzMZ-cqff-oWy6-0EvS-YENe-37U9-65SunU

[root@backup binlog] # lvextend-L + 4G / dev/mapper/centos-home

Size of logical volume centos/home changed from 2.66 TiB (697542 extents) to 2.66 TiB (698566 extents).

Logical volume home successfully resized.

Execute resize2fs error message:

[root@backup binlog] # resize2fs / dev/mapper/centos-home

Resize2fs 1.42.9 (28-Dec-2013)

Resize2fs: Bad magic number in super-block when trying to open / dev/mapper/centos-home

No valid file system super block was found.

Verify that the file system is xfs:

[root@backup binlog] # cat / etc/fstab | grep centos-home

/ dev/mapper/centos-home / home xfs defaults 0 0

Xfs expands disk space with the following command:

[root@backup binlog] # xfs_growfs / dev/mapper/centos-home

Meta-data=/dev/mapper/centos-home isize=256 agcount=6, agsize=118277632 blks

= sectsz=4096 attr=2, projid32bit=1

= crc=0 finobt=0

Data = bsize=4096 blocks=709040128, imaxpct=5

= sunit=0 swidth=0 blks

Naming = version 2 bsize=4096 ascii-ci=0 ftype=0

Log = internal bsize=4096 blocks=231011, version=2

= sectsz=4096 sunit=1 blks, lazy-count=1

Realtime = none extsz=4096 blocks=0, rtextents=0

Data blocks changed from 709040128 to 715331584

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