RHEL7使用ssm命令管理LVM的方法

[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  /     ----------------------------------------------------------------------------------

[root@localhost ~]# ssm add -p vg00 /dev/sdd Physical volume "/dev/sdd" successfully created Volume group "vg00" successfully extended

[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  /     ----------------------------------------------------------------------------------

[root@localhost ~]# ssm resize -s +10G /dev/vg00/lv00fsck，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 resizedresize2fs 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.

[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  /     ----------------------------------------------------------------------------------

[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% /devtmpfs         tmpfs   914M  80K 914M  1% /dev/shmtmpfs         tmpfs   914M 8.9M 905M  1% /runtmpfs         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

[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" createdmeta-data=/dev/mysoft/soft    isize=256  agcount=4, agsize=65536 blks     =            sectsz=512  attr=2, projid32bit=1     =            crc=0data   =            bsize=4096  blocks=262144, imaxpct=25     =            sunit=0   swidth=0 blksnaming  =version 2       bsize=4096  ascii-ci=0 ftype=0log   =internal log      bsize=4096  blocks=2560, version=2     =            sectsz=512  sunit=0 blks, lazy-count=1realtime =none          extsz=4096  blocks=0, rtextents=0

[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  /     ----------------------------------------------------------------------------------------

[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------------------------------------------------------------------------------

[root@localhost ~]# ssm remove /dev/mysoft/softDevice '/dev/mysoft/soft' is mounted on '/soft' Unmount (N/y/q) ? YDo you really want to remove active logical volume snap20160531T120543? [y/n]: y Logical volume "snap20160531T120543" successfully removedDo you really want to remove active logical volume soft? [y/n]: y Logical volume "soft" successfully removed

[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  /     ----------------------------------------------------------------------------------

[root@localhost ~]# ssm remove mysoft Volume group "mysoft" successfully removed

[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  /     ----------------------------------------------------------------------------------