CentOS 7.6在线扩容xfs文件系统(创建大于2T的磁盘分区并使用LVM管理)

Posted

tags:

篇首语:本文由小常识网(cha138.com)小编为大家整理,主要介绍了CentOS 7.6在线扩容xfs文件系统(创建大于2T的磁盘分区并使用LVM管理)相关的知识,希望对你有一定的参考价值。

1. 使用parted方式格式化磁盘

1.1 查看磁盘情况

[root@jylhlog2 ~]# fdisk -l

Disk /dev/sdd: 2199.0 GB, 2199023255552 bytes, 4294967296 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/sdb: 42.9 GB, 42949672960 bytes, 83886080 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/sdc: 2199.0 GB, 2199023255552 bytes, 4294967296 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/sde: 2199.0 GB, 2199023255552 bytes, 4294967296 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/sdf: 2199.0 GB, 2199023255552 bytes, 4294967296 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: 536.9 GB, 536870912000 bytes, 1048576000 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: 0x0008ce60

Device Boot Start End Blocks Id System

/dev/sda1 * 2048 2099199 1048576 83 Linux

/dev/sda2 2099200 1048567807 523234304 8e Linux LVM

Disk /dev/mapper/vg_root-lv_root: 64.4 GB, 64424509440 bytes, 125829120 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: 68.7 GB, 68719476736 bytes, 134217728 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_data: 209.4 GB, 209371267072 bytes, 408928256 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_home: 64.4 GB, 64424509440 bytes, 125829120 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-oracle: 64.4 GB, 64424509440 bytes, 125829120 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_grid: 64.4 GB, 64424509440 bytes, 125829120 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/sdg: 2199.0 GB, 2199023255552 bytes, 4294967296 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@jylhlog2 ~]#

1.2 使用parted格式化/dev/sdg分区

[root@jylhlog2 ~]# parted /dev/sdg

GNU Parted 3.1

Using /dev/sdg

Welcome to GNU Parted! Type ‘help‘ to view a list of commands.

(parted) mklabel gpt ------将MBR分区形式转为GPT分区形式

(parted) mkpart primary xfs 0 -1 ------设置分区的开始位置和结束位置

Warning: The resulting partition is not properly aligned for best performance.

Ignore/Cancel? Ignore

(parted) print ------查看分区

Model: VMware Virtual disk (scsi)

Disk /dev/sdg: 2199GB

Sector size (logical/physical): 512B/512B

Partition Table: gpt

Disk Flags:

Number Start End Size File system Name Flags

1 17.4kB 2199GB 2199GB primary

(parted) toggle 1 lvm ------使用toggle 更改硬盘类型

(parted) print ------查看分区

Model: VMware Virtual disk (scsi)

Disk /dev/sdg: 2199GB

Sector size (logical/physical): 512B/512B

Partition Table: gpt

Disk Flags:

Number Start End Size File system Name Flags

1 17.4kB 2199GB 2199GB primary lvm

(parted) quit

Information: You may need to update /etc/fstab.

[root@jylhlog2 ~]#

1.3 查看格式化后的分区情况

[root@jylhlog2 ~]# fdisk -l

Disk /dev/sdd: 2199.0 GB, 2199023255552 bytes, 4294967296 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/sdb: 42.9 GB, 42949672960 bytes, 83886080 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/sdc: 2199.0 GB, 2199023255552 bytes, 4294967296 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/sde: 2199.0 GB, 2199023255552 bytes, 4294967296 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/sdf: 2199.0 GB, 2199023255552 bytes, 4294967296 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: 536.9 GB, 536870912000 bytes, 1048576000 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: 0x0008ce60

Device Boot Start End Blocks Id System

/dev/sda1 * 2048 2099199 1048576 83 Linux

/dev/sda2 2099200 1048567807 523234304 8e Linux LVM

Disk /dev/mapper/vg_root-lv_root: 64.4 GB, 64424509440 bytes, 125829120 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: 68.7 GB, 68719476736 bytes, 134217728 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_data: 209.4 GB, 209371267072 bytes, 408928256 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_home: 64.4 GB, 64424509440 bytes, 125829120 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-oracle: 64.4 GB, 64424509440 bytes, 125829120 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_grid: 64.4 GB, 64424509440 bytes, 125829120 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

WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.

Disk /dev/sdg: 2199.0 GB, 2199023255552 bytes, 4294967296 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: gpt

Disk identifier: 9C5E039C-2C6C-4585-8EAB-7B2DBA949516

# Start End Size Type Name

1 34 4294965343 2T Linux LVM primary

[root@jylhlog2 ~]#

1.4 使系统重读分区表

[root@jylhlog2 ~]# partprobe

Warning: Unable to open /dev/sr0 read-write (Read-only file system). /dev/sr0 has been opened read-only.

[root@jylhlog2 ~]#

[root@jylhlog2 ~]# fdisk -l

Disk /dev/sdd: 2199.0 GB, 2199023255552 bytes, 4294967296 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/sdb: 42.9 GB, 42949672960 bytes, 83886080 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/sdc: 2199.0 GB, 2199023255552 bytes, 4294967296 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/sde: 2199.0 GB, 2199023255552 bytes, 4294967296 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/sdf: 2199.0 GB, 2199023255552 bytes, 4294967296 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: 536.9 GB, 536870912000 bytes, 1048576000 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: 0x0008ce60

Device Boot Start End Blocks Id System

/dev/sda1 * 2048 2099199 1048576 83 Linux

/dev/sda2 2099200 1048567807 523234304 8e Linux LVM

Disk /dev/mapper/vg_root-lv_root: 64.4 GB, 64424509440 bytes, 125829120 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: 68.7 GB, 68719476736 bytes, 134217728 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_data: 209.4 GB, 209371267072 bytes, 408928256 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_home: 64.4 GB, 64424509440 bytes, 125829120 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-oracle: 64.4 GB, 64424509440 bytes, 125829120 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_grid: 64.4 GB, 64424509440 bytes, 125829120 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

WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.

Disk /dev/sdg: 2199.0 GB, 2199023255552 bytes, 4294967296 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: gpt

Disk identifier: 9C5E039C-2C6C-4585-8EAB-7B2DBA949516

# Start End Size Type Name

1 34 4294965343 2T Linux LVM primary

[root@jylhlog2 ~]#

2 创建pv、扩容vg、扩容lv、扩容xfs分区

2.1 查看目前分区情况

[root@jylhlog2 ~]# df -h

Filesystem Size Used Avail Use% Mounted on

/dev/mapper/vg_root-lv_root 60G 6.2G 54G 11% /

devtmpfs 63G 0 63G 0% /dev

tmpfs 63G 640M 63G 1% /dev/shm

tmpfs 63G 32M 63G 1% /run

tmpfs 63G 0 63G 0% /sys/fs/cgroup

/dev/sda1 1014M 179M 836M 18% /boot

/dev/mapper/vg_root-lv_grid 60G 40G 21G 66% /grid

/dev/mapper/vg_root-lv_data 195G 595M 195G 1% /data

/dev/mapper/vg_root-oracle 60G 22G 38G 37% /oracle

/dev/mapper/vg_root-lv_home 60G 16G 45G 27% /home

tmpfs 13G 12K 13G 1% /run/user/42

tmpfs 13G 0 13G 0% /run/user/1000

[root@jylhlog2 ~]#

2.2 查看目前lv情况

[root@jylhlog2 ~]# lvs

LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert

lv_data vg_root -wi-ao---- 194.99g

lv_grid vg_root -wi-ao---- 60.00g

lv_home vg_root -wi-ao---- 60.00g

lv_root vg_root -wi-ao---- 60.00g

lv_swap vg_root -wi-ao---- 64.00g

oracle vg_root -wi-ao---- 60.00g

[root@jylhlog2 ~]#

2.3 查看目前vg情况

[root@jylhlog2 ~]# vgs

VG #PV #LV #SN Attr VSize VFree

vg_root 1 6 0 wz--n- 498.99g 0

[root@jylhlog2 ~]#

2.4 创建pv

[root@jylhlog2 ~]# pvcreate /dev/sdg1

Physical volume "/dev/sdg1" successfully created.

[root@jylhlog2 ~]#

2.5 扩容vg

[root@jylhlog2 ~]# vgextend vg_root /dev/sdg1

Volume group "vg_root" successfully extended

[root@jylhlog2 ~]#

2.6 查看vg扩容情况

[root@jylhlog2 ~]# vgs

VG #PV #LV #SN Attr VSize VFree

vg_root 2 6 0 wz--n- <2.49t <2.00t

[root@jylhlog2 ~]#

2.7 查看扩容后vg大小情况

[root@jylhlog2 ~]# vgdisplay

--- Volume group ---

VG Name vg_root

System ID

Format lvm2

Metadata Areas 2

Metadata Sequence No 8

VG Access read/write

VG Status resizable

MAX LV 0

Cur LV 6

Open LV 6

Max PV 0

Cur PV 2

Act PV 2

VG Size <2.49 TiB

PE Size 4.00 MiB

Total PE 652029

Alloc PE / Size 127742 / 498.99 GiB

Free PE / Size 524287 / <2.00 TiB

VG UUID bV0qQR-Vhfg-ynTF-dbza-qJD1-ao3k-l02WiP

[root@jylhlog2 ~]#

2.8 扩容lv

[root@jylhlog2 ~]# lvextend -L +2097148M /dev/mapper/vg_root-lv_data

Size of logical volume vg_root/lv_data changed from 194.99 GiB (49918 extents) to 2.19 TiB (574205 extents).

Logical volume vg_root/lv_data successfully resized.

[root@jylhlog2 ~]#

2.9 查看容量变化,发现文件系统大小没有变化

[root@jylhlog2 ~]# df -h

Filesystem Size Used Avail Use% Mounted on

/dev/mapper/vg_root-lv_root 60G 6.2G 54G 11% /

devtmpfs 63G 0 63G 0% /dev

tmpfs 63G 640M 63G 1% /dev/shm

tmpfs 63G 32M 63G 1% /run

tmpfs 63G 0 63G 0% /sys/fs/cgroup

/dev/sda1 1014M 179M 836M 18% /boot

/dev/mapper/vg_root-lv_grid 60G 40G 21G 66% /grid

/dev/mapper/vg_root-lv_data 195G 595M 195G 1% /data

/dev/mapper/vg_root-oracle 60G 22G 38G 37% /oracle

/dev/mapper/vg_root-lv_home 60G 16G 45G 27% /home

tmpfs 13G 12K 13G 1% /run/user/42

tmpfs 13G 0 13G 0% /run/user/1000

[root@jylhlog2 ~]#

2.10 使用xfs_growfs同步磁盘信息

[root@jylhlog2 ~]# xfs_growfs /dev/mapper/vg_root-lv_data

meta-data=/dev/mapper/vg_root-lv_data isize=512 agcount=4, agsize=12779008 blks

? = sectsz=512 attr=2, projid32bit=1

? = crc=1 finobt=0 spinodes=0

data = bsize=4096 blocks=51116032, imaxpct=25

? = sunit=0 swidth=0 blks

naming =version 2 bsize=4096 ascii-ci=0 ftype=1

log =internal bsize=4096 blocks=24959, version=2

? = sectsz=512 sunit=0 blks, lazy-count=1

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

data blocks changed from 51116032 to 587985920

[root@jylhlog2 ~]#

2.11 查看容量变化,发现文件系统已扩容成功

[root@jylhlog2 ~]# df -h

Filesystem Size Used Avail Use% Mounted on

/dev/mapper/vg_root-lv_root 60G 6.2G 54G 11% /

devtmpfs 63G 0 63G 0% /dev

tmpfs 63G 640M 63G 1% /dev/shm

tmpfs 63G 32M 63G 1% /run

tmpfs 63G 0 63G 0% /sys/fs/cgroup

/dev/sda1 1014M 179M 836M 18% /boot

/dev/mapper/vg_root-lv_grid 60G 40G 21G 66% /grid

/dev/mapper/vg_root-lv_data 2.2T 597M 2.2T 1% /data

/dev/mapper/vg_root-oracle 60G 22G 38G 37% /oracle

/dev/mapper/vg_root-lv_home 60G 16G 45G 27% /home

tmpfs 13G 12K 13G 1% /run/user/42

tmpfs 13G 0 13G 0% /run/user/1000

[root@jylhlog2 ~]#

以上是关于CentOS 7.6在线扩容xfs文件系统(创建大于2T的磁盘分区并使用LVM管理)的主要内容,如果未能解决你的问题,请参考以下文章

LVM中对基于xfs的文件系统进行扩容

Centos 7下在LVM中对xfs文件系统进行扩容

centos7 xfs磁盘管理(格式化在线扩容)

xfs文件系统lvm在线扩容

xfs文件系统扩容

超大磁盘在线扩容