RHEL7使用ssm命令管理LVM
1.安装ssm |
[root@localhost ~]# yum -y install system-storage-manager.noarch |
2.检查硬盘和LVM信息 |
[root@localhost ~]# sudo ssm list
---------------------------------------------------------//物理设备
Device Free Used Total Pool Mount point
---------------------------------------------------------
/dev/sda 50.00 GB PARTITIONED
/dev/sda1 500.00 MB /boot
/dev/sda2 2.02 GB SWAP
/dev/sda3 47.50 GB /
/dev/sdb 4.00 GB 1.00 GB 5.00 GB vg00
/dev/sdc 5.00 GB 0.00 KB 5.00 GB vg00
/dev/sdd 5.00 GB
/dev/sde 5.00 GB
---------------------------------------------------------
----------------------------------------------//存储池
Pool Type Devices Free Used Total
----------------------------------------------
vg00 lvm 2 8.99 GB 1.00 GB 9.99 GB
----------------------------------------------
----------------------------------------------------------------------------------//存储池中的LVM卷
Volume Pool Volume size FS FS size Free Type Mount point
----------------------------------------------------------------------------------
/dev/vg00/lv00 vg00 1.00 GB ext2 1.00 GB 957.62 MB linear
/dev/sda1 500.00 MB xfs 496.67 MB 406.23 MB part /boot
/dev/sda3 47.50 GB xfs 47.47 GB 43.87 GB part /
----------------------------------------------------------------------------------
|
3.将物理磁盘添加到LVM池中 |
[root@localhost ~]# ssm add -p vg00 /dev/sdd
Physical volume "/dev/sdd" successfully created
Volume group "vg00" successfully extended
|
4.查看当前存储池 |
[root@localhost ~]# ssm list
---------------------------------------------------------
Device Free Used Total Pool Mount point
---------------------------------------------------------
/dev/sda 50.00 GB PARTITIONED
/dev/sda1 500.00 MB /boot
/dev/sda2 2.02 GB SWAP
/dev/sda3 47.50 GB /
/dev/sdb 4.00 GB 1.00 GB 5.00 GB vg00
/dev/sdc 5.00 GB 0.00 KB 5.00 GB vg00
/dev/sdd 5.00 GB 0.00 KB 5.00 GB vg00
/dev/sde 5.00 GB
---------------------------------------------------------
------------------------------------------------
Pool Type Devices Free Used Total
------------------------------------------------
vg00 lvm 3 13.99 GB 1.00 GB 14.99 GB
------------------------------------------------
----------------------------------------------------------------------------------
Volume Pool Volume size FS FS size Free Type Mount point
----------------------------------------------------------------------------------
/dev/vg00/lv00 vg00 1.00 GB ext2 1.00 GB 957.62 MB linear
/dev/sda1 500.00 MB xfs 496.67 MB 406.23 MB part /boot
/dev/sda3 47.50 GB xfs 47.47 GB 43.87 GB part /
----------------------------------------------------------------------------------
|
5.扩大LVM卷 |
[root@localhost ~]# ssm resize -s +10G /dev/vg00/lv00
fsck,来自 util-linux 2.23.2
/dev/mapper/vg00-lv00: 11/65536 files (0.0% non-contiguous), 4763/262144 blocks
Extending logical volume lv00 to 11.00 GiB
Logical volume lv00 successfully resized
resize2fs 1.42.9 (28-Dec-2013)
Resizing the filesystem on /dev/mapper/vg00-lv00 to 2883584 (4k) blocks.
The filesystem on /dev/mapper/vg00-lv00 is now 2883584 blocks long.
|
6.查看结果 |
[root@localhost ~]# ssm list
---------------------------------------------------------
Device Free Used Total Pool Mount point
---------------------------------------------------------
/dev/sda 50.00 GB PARTITIONED
/dev/sda1 500.00 MB /boot
/dev/sda2 2.02 GB SWAP
/dev/sda3 47.50 GB /
/dev/sdb 0.00 KB 5.00 GB 5.00 GB vg00
/dev/sdc 0.00 KB 5.00 GB 5.00 GB vg00
/dev/sdd 3.99 GB 1.01 GB 5.00 GB vg00
/dev/sde 5.00 GB
---------------------------------------------------------
------------------------------------------------
Pool Type Devices Free Used Total
------------------------------------------------
vg00 lvm 3 3.99 GB 11.00 GB 14.99 GB
------------------------------------------------
----------------------------------------------------------------------------------
Volume Pool Volume size FS FS size Free Type Mount point
----------------------------------------------------------------------------------
/dev/vg00/lv00 vg00 11.00 GB ext2 11.00 GB 10.31 GB linear
/dev/sda1 500.00 MB xfs 496.67 MB 406.23 MB part /boot
/dev/sda3 47.50 GB xfs 47.47 GB 43.87 GB part /
----------------------------------------------------------------------------------
|
7.更新文件系统 |
[root@localhost ~]# mke2fs /dev/vg00/lv00 |
8.挂载结果 |
[root@localhost ~]# df -hT
文件系统 类型 容量 已用 可用 已用% 挂载点
/dev/sda3 xfs 48G 3.6G 44G 8% /
devtmpfs devtmpfs 906M 0 906M 0% /dev
tmpfs tmpfs 914M 80K 914M 1% /dev/shm
tmpfs tmpfs 914M 8.9M 905M 1% /run
tmpfs tmpfs 914M 0 914M 0% /sys/fs/cgroup
/dev/sda1 xfs 497M 116M 382M 24% /boot
/dev/mapper/vg00-lv00 ext2 11G 5.0M 11G 1% /mnt
|
9.创建新的LVM池 |
[root@localhost ~]# mkdir /soft
[root@localhost ~]# ssm create -s 1G -n soft --fstype xfs -p mysoft /dev/sde /soft
//create创建、-s 1G指定大小、-n soft文件名称、--fstype xfs文件系统、-p mysoft指定存储池名称、/dev/sde /soft指定那块磁盘挂载哪个目录上
Physical volume "/dev/sde" successfully created
Volume group "mysoft" successfully created
Logical volume "soft" created
meta-data=/dev/mysoft/soft isize=256 agcount=4, agsize=65536 blks
= sectsz=512 attr=2, projid32bit=1
= crc=0
data = bsize=4096 blocks=262144, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=0
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
|
10.查看结果 |
[root@localhost ~]# ssm list
-----------------------------------------------------------
Device Free Used Total Pool Mount point
-----------------------------------------------------------
/dev/sda 50.00 GB PARTITIONED
/dev/sda1 500.00 MB /boot
/dev/sda2 2.02 GB SWAP
/dev/sda3 47.50 GB /
/dev/sdb 0.00 KB 5.00 GB 5.00 GB vg00
/dev/sdc 0.00 KB 5.00 GB 5.00 GB vg00
/dev/sdd 3.99 GB 1.01 GB 5.00 GB vg00
/dev/sde 4.00 GB 1.00 GB 5.00 GB mysoft
-----------------------------------------------------------
--------------------------------------------------
Pool Type Devices Free Used Total
--------------------------------------------------
mysoft lvm 1 4.00 GB 1.00 GB 5.00 GB
vg00 lvm 3 3.99 GB 11.00 GB 14.99 GB
--------------------------------------------------
----------------------------------------------------------------------------------------
Volume Pool Volume size FS FS size Free Type Mount point
----------------------------------------------------------------------------------------
/dev/vg00/lv00 vg00 11.00 GB ext2 11.00 GB 10.31 GB linear /mnt
/dev/mysoft/soft mysoft 1.00 GB xfs 1014.00 MB 1013.88 MB linear /soft
/dev/sda1 500.00 MB xfs 496.67 MB 406.23 MB part /boot
/dev/sda3 47.50 GB xfs 47.47 GB 43.87 GB part /
----------------------------------------------------------------------------------------
|
11.对LVM卷快照 |
[root@localhost ~]# ssm snapshot /dev/mysoft/soft
Rounding up size to full physical extent 208.00 MiB
Logical volume "snap20160531T120543" created
[root@localhost ~]# ssm list snapshots
------------------------------------------------------------------------------
Snapshot Origin Pool Volume size Size Type
------------------------------------------------------------------------------
/dev/mysoft/snap20160531T120543 soft mysoft 208.00 MB 21.30 KB linear
------------------------------------------------------------------------------
|
12.删除LVM卷 |
[root@localhost ~]# ssm remove /dev/mysoft/soft
Device '/dev/mysoft/soft' is mounted on '/soft' Unmount (N/y/q) ? Y
Do you really want to remove active logical volume snap20160531T120543? [y/n]: y
Logical volume "snap20160531T120543" successfully removed
Do you really want to remove active logical volume soft? [y/n]: y
Logical volume "soft" successfully removed
|
13.查看结果 |
[root@localhost ~]# ssm list
-----------------------------------------------------------
Device Free Used Total Pool Mount point
-----------------------------------------------------------
/dev/sda 50.00 GB PARTITIONED
/dev/sda1 500.00 MB /boot
/dev/sda2 2.02 GB SWAP
/dev/sda3 47.50 GB /
/dev/sdb 0.00 KB 5.00 GB 5.00 GB vg00
/dev/sdc 0.00 KB 5.00 GB 5.00 GB vg00
/dev/sdd 3.99 GB 1.01 GB 5.00 GB vg00
/dev/sde 5.00 GB 0.00 KB 5.00 GB mysoft
-----------------------------------------------------------
--------------------------------------------------
Pool Type Devices Free Used Total
--------------------------------------------------
mysoft lvm 1 5.00 GB 0.00 KB 5.00 GB
vg00 lvm 3 3.99 GB 11.00 GB 14.99 GB
--------------------------------------------------
----------------------------------------------------------------------------------
Volume Pool Volume size FS FS size Free Type Mount point
----------------------------------------------------------------------------------
/dev/vg00/lv00 vg00 11.00 GB ext2 11.00 GB 10.31 GB linear /mnt
/dev/sda1 500.00 MB xfs 496.67 MB 406.23 MB part /boot
/dev/sda3 47.50 GB xfs 47.47 GB 43.87 GB part /
----------------------------------------------------------------------------------
|
14.删除存储池 |
[root@localhost ~]# ssm remove mysoft
Volume group "mysoft" successfully removed
|
15.查看结果 |
[root@localhost ~]# ssm list
---------------------------------------------------------
Device Free Used Total Pool Mount point
---------------------------------------------------------
/dev/sda 50.00 GB PARTITIONED
/dev/sda1 500.00 MB /boot
/dev/sda2 2.02 GB SWAP
/dev/sda3 47.50 GB /
/dev/sdb 0.00 KB 5.00 GB 5.00 GB vg00
/dev/sdc 0.00 KB 5.00 GB 5.00 GB vg00
/dev/sdd 3.99 GB 1.01 GB 5.00 GB vg00
/dev/sde 5.00 GB
---------------------------------------------------------
------------------------------------------------
Pool Type Devices Free Used Total
------------------------------------------------
vg00 lvm 3 3.99 GB 11.00 GB 14.99 GB
------------------------------------------------
----------------------------------------------------------------------------------
Volume Pool Volume size FS FS size Free Type Mount point
----------------------------------------------------------------------------------
/dev/vg00/lv00 vg00 11.00 GB ext2 11.00 GB 10.31 GB linear /mnt
/dev/sda1 500.00 MB xfs 496.67 MB 406.23 MB part /boot
/dev/sda3 47.50 GB xfs 47.47 GB 43.87 GB part /
----------------------------------------------------------------------------------
|
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