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Linux LVM在线扩容xfs文件系统（创建大于2T的磁盘分区）

2023-05-16

1. 使用parted方式格式化磁盘

1.1 查看磁盘情况

[root@superman ~]# 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@superman ~]#

1.2 使用parted格式化/dev/sdg分区

[root@superman ~]# 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@superman ~]#

1.3 查看格式化后的分区情况

[root@superman ~]# 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@superman ~]#

1.4 使系统重读分区表

[root@superman ~]# partprobe

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

[root@superman ~]# 

[root@superman ~]# 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@superman ~]#

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@superman ~]# 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@superman ~]#

2.2 查看目前lv情况

[root@superman ~]# 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@superman ~]#

2.3 查看目前vg情况

[root@superman ~]# vgs

 VG   #PV #LV #SN Attr  VSize  VFree

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

[root@superman ~]#

2.4 创建pv

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

 Physical volume "/dev/sdg1" successfully created.

[root@superman ~]#

2.5 扩容vg

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

 Volume group "vg_root" successfully extended

[root@superman ~]#

2.6 查看vg扩容情况

[root@superman ~]# vgs

 VG   #PV #LV #SN Attr  VSize VFree 

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

[root@superman ~]#

2.7 查看扩容后vg大小情况

[root@superman ~]# 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@superman ~]#

2.8 扩容lv

[root@superman ~]# 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@superman ~]#

2.9 查看容量变化，发现文件系统大小没有变化

[root@superman ~]# 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@superman ~]#

2.10 使用xfs_growfs同步磁盘信息

[root@superman ~]# 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@superman ~]#

2.11 查看容量变化，发现文件系统已扩容成功

[root@superman ~]# 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@superman ~]#
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