1.系统盘扩容
# 查看当前磁盘情况
[root@ZX ~]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 3.8G 0 3.8G 0% /dev
tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs 3.9G 12M 3.8G 1% /run
tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/mapper/centos-root 26G 16G 11G 60% /
/dev/sda1 1014M 149M 866M 15% /boot
tmpfs 781M 0 781M 0% /run/user/0
# 查看当前磁盘分区情况
[root@ZX ~]# fdisk -l
Disk /dev/sda: 53.7 GB, 53687091200 bytes, 104857600 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: 0x0009f020
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 2099199 1048576 83 Linux
/dev/sda2 2099200 62914559 30407680 8e Linux LVM
Disk /dev/sdb: 21.5 GB, 21474836480 bytes, 41943040 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/centos-root: 27.9 GB, 27913093120 bytes, 54517760 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/centos-swap: 3221 MB, 3221225472 bytes, 6291456 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
# 查看当前磁盘分区情况
[root@ZX ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 50G 0 disk
├─sda1 8:1 0 1G 0 part /boot
└─sda2 8:2 0 29G 0 part
├─centos-root 253:0 0 26G 0 lvm /
└─centos-swap 253:1 0 3G 0 lvm [SWAP]
sdb 8:16 0 20G 0 disk
sr0 11:0 1 4.4G 0 rom
# 磁盘空间50G，但两块分区合计只有30G，剩余20G为新扩容空间
# 创建新分区
[root@ZX ~]# fdisk /dev/sda
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): n
Partition type:
p primary (2 primary, 0 extended, 2 free)
e extended
Select (default p):
Using default response p
Partition number (3,4, default 3):
First sector (62914560-104857599, default 62914560):
Using default value 62914560
Last sector, +sectors or +size{K,M,G} (62914560-104857599, default 104857599):
Using default value 104857599
Partition 3 of type Linux and of size 20 GiB is set
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.
# 重启服务器
[root@ZX ~]# reboot
# 创建pv
[root@ZX ~]# pvcreate /dev/sda3
Physical volume "/dev/sda3" successfully created.
# 查看pv
[root@ZX ~]# pvs
# 查看vg组
[root@ZX ~]# vgs
VG #PV #LV #SN Attr VSize VFree
centos 1 2 0 wz--n- <29.00g 0
# 扩展vg
[root@ZX ~]# vgextend centos /dev/sda3
Volume group "centos" successfully extended
You have new mail in /var/spool/mail/root
# 查看扩展后的vg组
[root@ZX ~]# vgs
VG #PV #LV #SN Attr VSize VFree
centos 2 2 0 wz--n- 48.99g <20.00g
# 查看lvs
[root@ZX ~]# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
root centos -wi-ao---- <26.00g
swap centos -wi-ao---- 3.00g
# lv大小未发生变化
# 扩展lv
# 扩展大小 < 新增大小
[root@ZX ~]# lvextend -L +19.8G /dev/mapper/centos-root
Rounding size to boundary between physical extents: 19.80 GiB.
Size of logical volume centos/root changed from <26.00 GiB (6655 extents) to <45.80 GiB (11724 extents).
Logical volume centos/root successfully resized.
# 查看lvs
[root@ZX ~]# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
root centos -wi-ao---- <45.80g
swap centos -wi-ao---- 3.00g
# lv大小已发生改变
# 查看当前磁盘情况，根目录大小未发生改变
[root@ZX ~]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 3.8G 0 3.8G 0% /dev
tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs 3.9G 12M 3.8G 1% /run
tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/mapper/centos-root 26G 16G 11G 60% /
/dev/sda1 1014M 149M 866M 15% /boot
tmpfs 781M 0 781M 0% /run/user/0
# 系统重新读取大小
# xfs_growfs 由文件夹格式化类型控制，查看文件夹格式化类型：df -Th
[root@ZX ~]# xfs_growfs /dev/mapper/centos-root
meta-data=/dev/mapper/centos-root isize=512 agcount=4, agsize=1703680 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=0 spinodes=0
data = bsize=4096 blocks=6814720, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal bsize=4096 blocks=3327, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 6814720 to 12005376
# 查看当前磁盘情况，根目录大小发生改变
[root@ZX ~]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 3.8G 0 3.8G 0% /dev
tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs 3.9G 12M 3.8G 1% /run
tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/mapper/centos-root 46G 16G 31G 34% /
/dev/sda1 1014M 149M 866M 15% /boot
tmpfs 781M 0 781M 0% /run/user/0
# 分区信息显示正常
[root@ZX ~]# fdisk -l
Disk /dev/sda: 53.7 GB, 53687091200 bytes, 104857600 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: 0x0009f020
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 2099199 1048576 83 Linux
/dev/sda2 2099200 62914559 30407680 8e Linux LVM
/dev/sda3 62914560 104857599 20971520 83 Linux
Disk /dev/sdb: 21.5 GB, 21474836480 bytes, 41943040 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/centos-root: 49.2 GB, 49174020096 bytes, 96043008 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/centos-swap: 3221 MB, 3221225472 bytes, 6291456 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@ZX ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 50G 0 disk
├─sda1 8:1 0 1G 0 part /boot
├─sda2 8:2 0 29G 0 part
│ ├─centos-root 253:0 0 45.8G 0 lvm /
│ └─centos-swap 253:1 0 3G 0 lvm [SWAP]
└─sda3 8:3 0 20G 0 part
└─centos-root 253:0 0 45.8G 0 lvm /
sdb 8:16 0 20G 0 disk
sr0 11:0 1 4.4G 0 rom
2.分区、格式化、挂载
分区、格式化、挂载
[root@ZX ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 50G 0 disk
├─sda1 8:1 0 1G 0 part /boot
├─sda2 8:2 0 29G 0 part
│ ├─centos-root 253:0 0 45.8G 0 lvm /
│ └─centos-swap 253:1 0 3G 0 lvm [SWAP]
└─sda3 8:3 0 20G 0 part
└─centos-root 253:0 0 45.8G 0 lvm /
sdb 8:16 0 20G 0 disk
sr0 11:0 1 4.4G 0 rom
2.1 分区
# 1、对磁盘分区
# fdisk /dev/sdh >n(新建)>p(主分区)>1(盘符) t（修改ID） 8e >w（保存退出）
# 2T 以上：
# parted /dev/sd* > mklabel > gpt > yes > p(查看磁盘大小) > mkpart > part1 > 回车 > 1 > *G > toggle 1 lvm > quit(保存退出)
[root@ZX ~]# fdisk /dev/sdb
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.
Device does not contain a recognized partition table
Building a new DOS disklabel with disk identifier 0x47246933.
Command (m for help): n
Partition type:
p primary (0 primary, 0 extended, 4 free)
e extended
Select (default p):
Using default response p
Partition number (1-4, default 1):
First sector (2048-41943039, default 2048):
Using default value 2048
Last sector, +sectors or +size{K,M,G} (2048-41943039, default 41943039):
Using default value 41943039
Partition 1 of type Linux and of size 20 GiB is set
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
2.2 格式化
[root@ZX ~]# mkfs.xfs /dev/sdb1
meta-data=/dev/sdb1 isize=512 agcount=4, agsize=1310656 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=0, sparse=0
data = bsize=4096 blocks=5242624, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal log bsize=4096 blocks=2560, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
2.3 挂载
[root@ZX ~]# mkdir /data
[root@ZX /]# mount /dev/sdb1 data/
[root@ZX /]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 3.8G 0 3.8G 0% /dev
tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs 3.9G 12M 3.8G 1% /run
tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/mapper/centos-root 46G 16G 31G 34% /
/dev/sda1 1014M 149M 866M 15% /boot
tmpfs 781M 0 781M 0% /run/user/0
/dev/sdb1 20G 33M 20G 1% /data
# 设置开机自动挂载
echo '/dev/sdb1 /data xfs defaults 0 0' >> /etc/fstab
3.将分区制作成卷
# 查看当前磁盘分区情况
[root@ZX ~]# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 50G 0 disk
├─sda1 8:1 0 1G 0 part /boot
├─sda2 8:2 0 29G 0 part
│ ├─centos-root 253:0 0 45.8G 0 lvm /
│ └─centos-swap 253:1 0 3G 0 lvm [SWAP]
└─sda3 8:3 0 20G 0 part
└─centos-root 253:0 0 45.8G 0 lvm /
sdb 8:16 0 40G 0 disk
└─sdb1 8:17 0 20G 0 part /data
sr0 11:0 1 4.4G 0 rom
# 新建分区
[root@ZX ~]# fdisk /dev/sdb
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): n
Partition type:
p primary (1 primary, 0 extended, 3 free)
e extended
Select (default p):
Using default response p
Partition number (2-4, default 2):
First sector (41943040-83886079, default 41943040):
Using default value 41943040
Last sector, +sectors or +size{K,M,G} (41943040-83886079, default 83886079):
Using default value 83886079
Partition 2 of type Linux and of size 20 GiB is set
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.
# 重启服务器
[root@ZX ~]# reboot
3.1 pv
# 扫描系统PV：pvscan
# 创建pv
[root@ZX ~]# pvcreate /dev/sdb2
Physical volume "/dev/sdb2" successfully created.
# 查看pv
[root@ZX /]# pvdisplay
--- Physical volume ---
PV Name /dev/sdb2
VG Name data1
PV Size 20.00 GiB / not usable 4.00 MiB
Allocatable yes
PE Size 4.00 MiB
Total PE 5119
Free PE 5119
Allocated PE 0
PV UUID ix0iJw-mziL-OUvC-ig8c-YYw5-Lo0r-zLt2iL
3.2 vg
# 扫描系统vg：vgscan
# 创建vg
[root@ZX /]# vgcreate data1 /dev/sdb2
Volume group "data1" successfully created
# 查看vg
[root@ZX /]# vgs
VG #PV #LV #SN Attr VSize VFree
data1 1 0 0 wz--n- <20.00g <20.00g
[root@ZX /]# vgdisplay
--- Volume group ---
VG Name data1
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 1
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 0
Open LV 0
Max PV 0
Cur PV 1
Act PV 1
VG Size <20.00 GiB
PE Size 4.00 MiB
Total PE 5119
Alloc PE / Size 0 / 0
Free PE / Size 5119 / <20.00 GiB
VG UUID imtNUy-SyFb-h0Hc-DJen-Gkse-dx5g-u0JJRT`
3.3 lv
# 扫描系统lv：lvscan
# 创建lv
lvcreate -l 5119 -n lvdata1 data1 （5119是VG中PE的个数）
[root@ZX /]# lvcreate -l 5119 -n lvdata1 data1
Logical volume "lvdata1" created.
# 查看lv
[root@ZX /]# lvdisplay
--- Logical volume ---
LV Path /dev/data1/lvdata1
LV Name lvdata1
VG Name data1
LV UUID m1mkaE-d7mW-kBtj-cySZ-C6fv-deV5-4PFlbU
LV Write Access read/write
LV Creation host, time ZX, 2023-02-13 14:47:57 +0800
LV Status available
# open 0
LV Size <20.00 GiB
Current LE 5119
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 8192
Block device 253:2
[root@ZX /]# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
lvdata1 data1 -wi-a----- <20.00g
# 格式化刚刚创建的LV
[root@ZX /]# mkfs -t xfs /dev/data1/lvdata1
meta-data=/dev/data1/lvdata1 isize=512 agcount=4, agsize=1310464 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=0, sparse=0
data = bsize=4096 blocks=5241856, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal log bsize=4096 blocks=2560, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
# 设置开机自动挂载
echo '/dev/data1/lvdata1 /data xfs defaults 0 0' >> /etc/fstab
4.压缩home，扩容root
# 安装 xfsdump 对 xfs 文件系统进行备份和还原
[root@db ~]# yum -y install xfsdump
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: mirrors.bfsu.edu.cn
* extras: mirrors.ustc.edu.cn
* updates: mirrors.bfsu.edu.cn
base | 3.6 kB 00:00:00
extras | 2.9 kB 00:00:00
updates | 2.9 kB 00:00:00
updates/7/x86_64/primary_db | 19 MB 00:00:02
Resolving Dependencies
--> Running transaction check
---> Package xfsdump.x86_64 0:3.1.7-2.el7_9 will be installed
--> Processing Dependency: attr >= 2.0.0 for package: xfsdump-3.1.7-2.el7_9.x86_64
--> Running transaction check
---> Package attr.x86_64 0:2.4.46-13.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
============================================================================================
Package Arch Version Repository Size
============================================================================================
Installing:
xfsdump x86_64 3.1.7-2.el7_9 updates 308 k
Installing for dependencies:
attr x86_64 2.4.46-13.el7 base 66 k
Transaction Summary
============================================================================================
Install 1 Package (+1 Dependent package)
Total download size: 374 k
Installed size: 1.1 M
Downloading packages:
(1/2): attr-2.4.46-13.el7.x86_64.rpm | 66 kB 00:00:00
(2/2): xfsdump-3.1.7-2.el7_9.x86_64.rpm | 308 kB 00:00:00
--------------------------------------------------------------------------------------------
Total 1.0 MB/s | 374 kB 00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : attr-2.4.46-13.el7.x86_64 1/2
Installing : xfsdump-3.1.7-2.el7_9.x86_64 2/2
Verifying : attr-2.4.46-13.el7.x86_64 1/2
Verifying : xfsdump-3.1.7-2.el7_9.x86_64 2/2
Installed:
xfsdump.x86_64 0:3.1.7-2.el7_9
Dependency Installed:
attr.x86_64 0:2.4.46-13.el7
Complete!
# 查询当前磁盘情况
[root@db ~]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 3.8G 0 3.8G 0% /dev
tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs 3.9G 12M 3.8G 1% /run
tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/mapper/centos_db-root 36G 17G 20G 47% /
/dev/sda1 1014M 151M 864M 15% /boot
/dev/mapper/centos_db-home 18G 33M 18G 1% /home
tmpfs 781M 0 781M 0% /run/user/0
# 查询home下是否存在文件
[root@db ~]# cd /home
[root@db home]# ls
db oracle
# 查询home下是否存在进程
[root@db home]# ps -ef | grep /home
root 9633 9263 0 10:52 pts/0 00:00:00 grep --color=auto /home
# 备份/home到根目录下
[root@db home]# cd
[root@db ~]# xfsdump -f /home_bak.xfsdump /home
xfsdump: using file dump (drive_simple) strategy
xfsdump: version 3.1.7 (dump format 3.0) - type ^C for status and control
============================= dump label dialog ==============================
please enter label for this dump session (timeout in 300 sec)
-> home bak
session label entered: "home bak"
--------------------------------- end dialog ---------------------------------
xfsdump: level 0 dump of db:/home
xfsdump: dump date: Tue Feb 14 10:51:37 2023
xfsdump: session id: 9f07954a-345e-45ae-b645-03a5eab69663
xfsdump: session label: "home bak"
xfsdump: ino map phase 1: constructing initial dump list
xfsdump: ino map phase 2: skipping (no pruning necessary)
xfsdump: ino map phase 3: skipping (only one dump stream)
xfsdump: ino map construction complete
xfsdump: estimated dump size: 52672 bytes
xfsdump: /var/lib/xfsdump/inventory created
============================= media label dialog =============================
please enter label for media in drive 0 (timeout in 300 sec)
-> bak
media label entered: "bak"
--------------------------------- end dialog ---------------------------------
xfsdump: creating dump session media file 0 (media 0, file 0)
xfsdump: dumping ino map
xfsdump: dumping directories
xfsdump: dumping non-directory files
xfsdump: ending media file
xfsdump: media file size 30184 bytes
xfsdump: dump size (non-dir files) : 4320 bytes
xfsdump: dump complete: 11 seconds elapsed
xfsdump: Dump Summary:
xfsdump: stream 0 /home_bak.xfsdump OK (success)
xfsdump: Dump Status: SUCCESS
# 切换至根目录，取消home挂载
[root@db home]# cd /
[root@db /]# umount /home
# 为home指定新的磁盘大小(数值表示预留大小，不是缩减大小)
[root@db /]# lvreduce -L 10G /dev/mapper/centos_db-home
WARNING: Reducing active logical volume to 10.00 GiB.
THIS MAY DESTROY YOUR DATA (filesystem etc.)
Do you really want to reduce centos_db/home? [y/n]: y
Size of logical volume centos_db/home changed from <17.39 GiB (4451 extents) to 10.00 GiB (2560 extents).
Logical volume centos_db/home successfully resized.
# 将压缩的空间全部分配给root
[root@db /]# lvextend -l +100%FREE /dev/mapper/centos_db-root
Size of logical volume centos_db/root changed from <35.61 GiB (9116 extents) to <43.00 GiB (11007 extents).
Logical volume centos_db/root successfully resized.
# 延展xfs空间
[root@db /]# xfs_growfs /dev/mapper/centos_db-root
meta-data=/dev/mapper/centos_db-root isize=512 agcount=4, agsize=2333696 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=0 spinodes=0
data = bsize=4096 blocks=9334784, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal bsize=4096 blocks=4558, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 9334784 to 11271168
# 格式化home
[root@db /]# mkfs.xfs -f /dev/mapper/centos_db-home
meta-data=/dev/mapper/centos_db-home isize=512 agcount=4, agsize=655360 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=0, sparse=0
data = bsize=4096 blocks=2621440, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal log bsize=4096 blocks=2560, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
# 挂载home
[root@db /]# mount /dev/mapper/centos_db-home /home
# 还原home
[root@db /]# xfsrestore -f /home_bak.xfsdump /home
xfsrestore: using file dump (drive_simple) strategy
xfsrestore: version 3.1.7 (dump format 3.0) - type for status and control
xfsrestore: searching media for dump
xfsrestore: examining media file 0
xfsrestore: dump description:
xfsrestore: hostname: db
xfsrestore: mount point: /home
xfsrestore: volume: /dev/mapper/centos_db-home
xfsrestore: session time: Tue Feb 14 10:51:37 2023
xfsrestore: level: 0
xfsrestore: session label: "home bak"
xfsrestore: media label: "bak"
xfsrestore: file system id: 338bbebf-3fec-414f-b504-9e34a5c2923f
xfsrestore: session id: 9f07954a-345e-45ae-b645-03a5eab69663
xfsrestore: media id: dd6d9d25-bf19-42e4-a797-dd316c10ba05
xfsrestore: using online session inventory
xfsrestore: searching media for directory dump
xfsrestore: reading directories
xfsrestore: 4 directories and 10 entries processed
xfsrestore: directory post-processing
xfsrestore: restoring non-directory files
xfsrestore: restore complete: 0 seconds elapsed
xfsrestore: Restore Summary:
xfsrestore: stream 0 /home_bak.xfsdump OK (success)
xfsrestore: Restore Status: SUCCESS
# 查看磁盘情况
[root@db /]# df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 3.8G 0 3.8G 0% /dev
tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs 3.9G 12M 3.8G 1% /run
tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/mapper/centos_db-root 43G 17G 27G 39% /
/dev/sda1 1014M 151M 864M 15% /boot
tmpfs 781M 0 781M 0% /run/user/0
/dev/mapper/centos_db-home 10G 33M 10G 1% /home
# 查看数据情况
[root@db /]# cd /home
[root@db home]# ls
db oracle
