版本
[root@station mapper]# cat /proc/version
Linux version 3.10.0-123.el7.x86_64 (mockbuild@x86-017.build.eng.bos.redhat.com) (gcc version 4.8.2 20140120 (Red Hat 4.8.2-16) (GCC) ) #1 SMP Mon May 5 11:16:57 EDT 2014
1、创建XFS_LV
[root@station mapper]# lvcreate -L 100M -n /dev/vo_vg/xfs_lv
Logical volume "xfs_lv" created
[root@station mapper]# mkfs.xfs /dev/vo_vg/xfs_lv
meta-data=/dev/vo_vg/xfs_lv isize=256 agcount=4, agsize=6400 blks
= sectsz=512 attr=2, projid32bit=1
= crc=0
data = bsize=4096 blocks=25600, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=0
log =internal log bsize=4096 blocks=853, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
[root@station mapper]#
[root@station mapper]# lvdisplay
--- Logical volume ---
LV Path /dev/vo_vg/vo_lv
LV Name vo_lv
VG Name vo_vg
LV UUID 0nZkWe-Slw6-E6aa-TZic-1dJF-7JKm-NPrda1
LV Write Access read/write
LV Creation host, time station.domain1.example.com, 2020-06-13 22:29:12 +0800
LV Status available
# open 1
LV Size 300.00 MiB
Current LE 75
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 252:1
--- Logical volume ---
LV Path /dev/vo_vg/xfs_lv
LV Name xfs_lv
VG Name vo_vg
LV UUID Ev1buz-Y0Xy-afUk-VvzT-0OmP-1fxe-wL0SGj
LV Write Access read/write
LV Creation host, time station.domain1.example.com, 2020-06-13 23:06:06 +0800
LV Status available
# open 0
LV Size 100.00 MiB
Current LE 25
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 252:2
[root@station mapper]# mkdir /xfs_lv
[root@station mapper]# mount /dev/vo_vg/xfs_lv /xfs_lv
[root@station mapper]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/vda1 10G 3.3G 6.8G 33% /
devtmpfs 906M 0 906M 0% /dev
tmpfs 921M 84K 921M 1% /dev/shm
tmpfs 921M 17M 904M 2% /run
tmpfs 921M 0 921M 0% /sys/fs/cgroup
/dev/mapper/vo_vg-vo_lv 287M 2.1M 267M 1% /vo_lv
/dev/mapper/vo_vg-xfs_lv 97M 5.2M 92M 6% /xfs_lv
[root@station mapper]#
2、扩展XFS_LV
[root@station mapper]# lsblk -f
NAME FSTYPE LABEL UUID MOUNTPOINT
vda
└─vda1 xfs 9bf6b9f7-92ad-441b-848e-0257cbb883d1 /
vdb
├─vdb1 LVM2_member CPb1VX-KaAB-MNLI-TcIB-XVt9-4UE5-LlaG2T
│ └─rhce-iscsi_vol
└─vdb2 LVM2_member MlOa9D-XH4d-n4Xn-Sief-t16B-0ktI-mqj11P
├─vo_vg-vo_lv ext4 eb51e7c8-5129-483d-b66e-de1da5692cf6 /vo_lv
└─vo_vg-xfs_lv xfs b6365ecb-0100-428c-adf2-817bc9552778 /xfs_lv
[root@station mapper]#
[root@station mapper]# lvextend -L 150M -n /dev/vo_vg/xfs_lv
Rounding size to boundary between physical extents: 152.00 MiB
Extending logical volume xfs_lv to 152.00 MiB
Logical volume xfs_lv successfully resized
[root@station mapper]#
umount /xfs_lv后，xfs_growfs无法执行
[root@station mapper]# xfs_growfs /dev/vo_vg/xfs_lv
xfs_growfs: /dev/vo_vg/xfs_lv is not a mounted XFS filesystem
[root@station mapper]# lvscan
ACTIVE '/dev/vo_vg/vo_lv' [300.00 MiB] inherit
ACTIVE '/dev/vo_vg/xfs_lv' [152.00 MiB] inherit
ACTIVE '/dev/rhce/iscsi_vol' [3.00 GiB] inherit
[root@station mapper]# mount /dev/vo_vg/xfs_lv /xfs_lv
[root@station mapper]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/vda1 10G 3.3G 6.8G 33% /
devtmpfs 906M 0 906M 0% /dev
tmpfs 921M 84K 921M 1% /dev/shm
tmpfs 921M 17M 904M 2% /run
tmpfs 921M 0 921M 0% /sys/fs/cgroup
/dev/mapper/vo_vg-xfs_lv 97M 5.2M 92M 6% /xfs_lv
[root@station mapper]# xfs_growfs /dev/vo_vg/xfs_lv
meta-data=/dev/mapper/vo_vg-xfs_lv isize=256 agcount=4, agsize=6400 blks
= sectsz=512 attr=2, projid32bit=1
= crc=0
data = bsize=4096 blocks=25600, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=0
log =internal bsize=4096 blocks=853, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 25600 to 38912
[root@station mapper]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/vda1 10G 3.3G 6.8G 33% /
devtmpfs 906M 0 906M 0% /dev
tmpfs 921M 84K 921M 1% /dev/shm
tmpfs 921M 17M 904M 2% /run
tmpfs 921M 0 921M 0% /sys/fs/cgroup
/dev/mapper/vo_vg-xfs_lv 149M 5.3M 144M 4% /xfs_lv
[root@station mapper]#