问题描述: k8s环境中需要重新创建lvm:/dev/mapper/test-vg-test-storage,该lvm挂载在/data/prometheus下面,在删除出现"Logical volume...contains a filesystem in use"的错误,表明该lvm被某个进程占用,但直接使用该lvm的容器已经被清理,使用lvchange -an /dev/mapper/test-vg-test-storage
type lvm2 [root@MyCloudServer ~]# lvdisplay --- Logical volume --- LV Path /dev/centos...原因是没有umount Logical volume Xvdbgroup/xvdb1 contains a filesystem in use.... Size of logical volume centos/root changed from 8.47 GiB (2168 extents) to 28.47 GiB (7288 extents...[root@MyCloudServer ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/centos-root...[root@MyCloudServer ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/centos-root
78 /]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_centos-lv_root... active and open logical volume to 282.00 GiB THIS MAY DESTROY YOUR DATA (filesystem etc.) ...[y/n]: y Reducing logical volume lv_home to 282.00 GiB Logical volume lv_home successfully resized... GiB Extending logical volume lv_root to 177.40 GiB Logical volume lv_root successfully resized...plain copy [root@CentOS-78 /]# df -h Filesystem Size Used Avail Use% Mounted on /dev
,在这个逻辑卷组centos中建立三个逻辑卷LV(Logical Volume)root和home还有swap,分别挂载到根目录/和/home以及swap。...并删除逻辑卷home #umount /home #df -h //查看磁盘情况 Filesystem Size Used Avail Use% Mounted on /dev.../home //删除逻辑卷home Do you really want to remove active logical volume home?...Logical volume "home" created. lvdisplay //查看逻辑卷home --- Logical volume --- LV Path...//可选步骤:激活卷组centos,使得这个新建的home逻辑卷生效(用vgchange而不用lvchange)] 3 logical volume(s) in volume group "centos
逻辑卷(LV, Logical Volume) LVM的逻辑卷类似于非LVM系统中的硬盘分区,在逻辑卷之上能建立文件系统(比如/home或/usr等)。 LVM原理图 ? 2....Size Used Avail Use% Mounted on /dev/mapper/centos-root 50G 845M 50G 2% / devtmpfs...Use% Mounted on /dev/mapper/centos-root xfs 50G 845M 50G 2% / devtmpfs devtmpfs...Logical volume lv02 successfully resized....[root@localhost ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/centos-root
LV(Logical Volume)- 逻辑卷 逻辑卷建立在卷组之上,卷组中的未分配空间可以用于建立新的逻辑卷,逻辑卷建立后可以动态地扩展和缩小空间。...; [root@localhost ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/centos-root...16G 0 16G 0% /sys/fs/cgroup /dev/vda1 976M 115M 795M 13% /boot /dev/mapper/centos-home...Logical volume lv1 successfully resized....对文件系统扩容 # df -Th Filesystem Type Size Used Avail Use% Mounted on /dev/mapper/vg0
active logical volume to 80.00 GiB....[y/n]: y Size of logical volume centos_centos7/home changed from <411.13 GiB (105249 extents) to 80.00...Logical volume centos_centos7/home successfully resized....-root Size of logical volume centos_centos7/root changed from 50.00 GiB (12800 extents) to 381.13 GiB...Logical volume centos_centos7/root successfully resized.
/luks-test: luks is the logical name....Create a filesystem in the decrypted volume: mkfs.ext4 /dev/mapper/luks mke2fs 1.42.9 (28-Dec-2013)...then lock the encrypted volume..../etc/crypttab contains a list of devices to be unlocked during system root. name /dev/vdaN /path/to...password/file such as: luks /dev/storage/luks-test /root/luks.passwd 1.name: Name device mapper will use
[root@Candy ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_candy-root 7.3G...Logical volume root successfully resized [root@Candy ~]# lvextend -L +500G /dev/mapper/vg_candy-home...Size of logical volume vg_candy/home changed from 4.00 GiB (1024 extents) to 504.00 GiB (129024 extents...Logical volume home successfully resized [root@Candy ~]# lvextend -L +500G /dev/mapper/vg_candy-usr...[root@Candy ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_candy-root
I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Disk /dev/mapper/centos-home...Use tune2fs -c or -i to override....[root@yjgltpc-cgzs-2 ~]# lvextend -l +100%FREE /dev/centos/root # 扩展所有可用空间到根分区 Extending logical volume...lv_root to 150.00 GiB Logical volume lv_root successfully resized [root@yjgltpc-cgzs-2 ~]# 步骤8 文件系统的真正扩容...[root@yjgltpc-cgzs-2 ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper
volume "lvdata" created [root@node0 host2]# lvdisplay --- Logical volume --- LV Path.../dev/pgdata/lvdata data/ [root@node0 ha]# df -h Filesystem Size Used Avail Use% Mounted...data/ [root@localhost ha]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda2...volume lvdata to 2.20 GiB Logical volume lvdata successfully resized [root@node0 ha]# resize2fs /dev...[root@node0 ha]# (9).验证 [root@node0 ha]# df -h Filesystem Size Used Avail Use% Mounted
Lvm管理磁盘空间 逻辑卷管理LVM(Logical Volume Manager)是Linux系统的一种管理硬盘分区机制,具有动态管理硬盘的能力。...Logical volume lvm_test/lvm_test_lv successfully resized....e2fsck -f /dev/centos-home # 缩减逻辑边界 resize2fs /dev/centos-home 5G # 缩减物理边界 lvchange -a n /dev/centos-home...lvreduce -L 5G /dev/centos-home lvchange -a y /dev/centos-home e2fsck -f /dev/centos-home # 挂载 mount.../dev/centos-home /home
逻辑卷(LV, Logical Volume) LVM的逻辑卷类似于非LVM系统中的硬盘分区,在逻辑卷之上能建立文件系统(比如/home或/usr等)。 关系如下: ?...Logical volume "lvqjc" created....Logical volume vgtest/lvtest successfully resized....[root@localhost ~]# df -Th Filesystem Type Size Used Avail Use% Mounted on /dev/...Logical volume vgqjc/lvqjc successfully resized.
Use tune2fs -c or -i to override....~]# lvdisplay --- Logical volume --- LV Path /dev/vg_centos002/lv_root LV Name...~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_centos002-lv_root 18G...of logical volume vg_centos002/lv_root changed from 17.57 GiB (4498 extents) to 27.00 GiB (6912 extents...Logical volume lv_root successfully resized.
1,看下各逻辑卷大小 [root@bogon ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper...volume to 20.00 GB THIS MAY DESTROY YOUR DATA (filesystem etc.)...[y/n]: y Reducing logical volume LogVol01 to 20.00 GB Logical volume LogVol01 successfully resized...mapper/VolGroup00-LogVol02 /dev/hdc: open failed: Read-only file system Extending logical volume...LogVol02 to 70.00 GB Logical volume LogVol02 successfully resized [root@bogon ~]# resize2fs /dev
+25500 /dev/mapper/centos-home Size of logical volume centos/home changed from 628.00 GiB (160768...Logical volume centos/home successfully resized....-L -100G /dev/mapper/centos-home WARNING: Reducing active logical volume to 618.00 GiB....Logical volume centos/home successfully resized. 如下,很显然xfs文件系统不能执行分区减小的调整!...Logical volume centos/root successfully resized.
Logical volume "xxx" created....-node1 ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda3 46G 1.6G 45G 4% /...[root@test-centos7-node1 ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda3 46G...-node1 ~]# umount /mnt [root@test-centos7-node1 ~]# df -h Filesystem Size Used Avail Use% Mounted on...-node1 ~]# umount /mnt [root@test-centos7-node1 ~]# df -Th Filesystem Type Size Used Avail Use
+25500 /dev/mapper/centos-home Size of logical volume centos/home changed from 628.00 GiB (160768...Logical volume centos/home successfully resized. ...-L -100G /dev/mapper/centos-home WARNING: Reducing active logical volume to 618.00 GiB. ...Logical volume centos/home successfully resized. 如下,很显然xfs文件系统不能执行分区减小的调整!...Logical volume centos/root successfully resized.
[root@test-centos6 ~]# lvm lvm> pvcreate /dev/sda3 //创建物理卷pv Physical volume "/dev/sda3" successfully...,这里也可以用fdisk -l查看 Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_testcentos6-lv_root...Size of logical volume vg_testcentos6/lv_root changed from 17.51 GiB (4482 extents) to 57.50 GiB (14720...extents) Logical volume lv_root successfully resized....[root@test-centos6 ~]# df -h //查看激活状态 Filesystem Size Used Avail Use% Mounted on /dev
等到home卸载后,再创建/home目录,将备份数据拷贝到/home下 [root@linux-node2 ~]# umount /home [root@linux-node2 ~]# df -h Filesystem...如果home分区做了lvm,“df -h”命令查看home分区的设备名比如是/dev/mapper/centos-home 那么/etc/lvm/lvm.conf这里就要这样配置了: filter =...[ "a|^/dev/mapper/centos-home$|", "r|.*/|" ] --------------------------------------------------------...Logical volume LogVol00 successfully resized....[root@localhost ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00
领取专属 10元无门槛券
手把手带您无忧上云