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.... # 删除lv Do you really want to remove active logical volume xvdb1?... # 查看lv --- Logical volume --- LV Path /dev/centos/swap LV Name ... Size of logical volume centos/root changed from 8.47 GiB (2168 extents) to 28.47 GiB (7288 extents
volume systemvg/vo contains a filesystem in use....volume systemvg/vo?...[y/n]: y Logical volume "vo" successfully removed [root@localhost ~]# lvs [root@localhost ~]# vim /...volume systemvg/lvredhat?...[y/n]: y Logical volume "vo" successfully removed 2021-03-15 22-42-35屏幕截图.png
/home目录已经看不见了,如下所示: [plain] view plain copy [root@CentOS-78 /]# df -h Filesystem Size Used... (17-May-2010) Resizing the filesystem on /dev/mapper/vg_centos-lv_home to 73924608 (4k) blocks. ... 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
,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。.../home //删除逻辑卷home Do you really want to remove active logical volume home?...[y/n]: y Logical volume "home" successfully removed vgdisplay //查看卷组可用空间 --- Volume group ---...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
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)。 LVM原理图 ? 2....3.9G 8.6M 3.9G 1% /run tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/mapper/centos-home...3.9G 1% /run tmpfs tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/mapper/centos-home...3.9G 1% /run tmpfs tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/mapper/centos-home...Logical volume lv02 successfully resized.
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...physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk /dev/mapper/centos-home...Logical volume lv1 successfully resized.
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.
Encryption at installation: kickstart configuration: part /home --fstype=ext4 --size=10000 --onpart=.../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
I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Disk /dev/mapper/centos-home...[root@yjgltpc-cgzs-2 ~]# vgextend /dev/centos /dev/vda5 Volume group "VolGroup" successfully extended...[root@localhost ~]# vgdisplay --- Volume group --- VG Name centos System ID...[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
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...Logical volume var successfully resized 大家注意,这一步操作时不可逆的! 如果输入了错误的分区名字还好!...The filesystem on /dev//mapper/vg_candy-home is now 132120576 blocks long.
+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.
512 bytes Disk identifier: 0x00000000 (3).初始化sdb [root@node0 host2]# fdisk /dev/sdb Device contains...volume "lvdata" created [root@node0 host2]# lvdisplay --- Logical volume --- LV Path...volume lvdata to 2.20 GiB Logical volume lvdata successfully resized [root@node0 ha]# resize2fs /dev.../pgdata/lvdata resize2fs 1.41.12 (17-May-2010) Filesystem at /dev/pgdata/lvdata is mounted on /home/ha...The filesystem on /dev/pgdata/lvdata is now 2310144 blocks long.
+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.
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....Logical volume vgtest/lvtest successfully resized....Logical volume vgqjc/lvqjc successfully resized.
~]# lvdisplay --- Logical volume --- LV Path /dev/vg_centos002/lv_root LV Name...~]# vgextend vg_centos002 /dev/sdb1 Volume group "vg_centos002" successfully extended [root@centos002...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....The filesystem on /dev/vg_centos002/lv_root is now 7077888 blocks long.
users # mount /dev/design/users /mnt/design/users The file system is now available for use..." vgextend -- volume group "design" successfully extended Create new logical volume Now...create a logical volume..../users mke2fs 1.18, 11-Nov-1999 for EXT2 FS 0.5b, 95/08/09 Filesystem label...Writing inode tables: done Writing superblocks and filesystem
Logical volume TESTvg/TESTlv successfully resized....WARNING: Reducing active logical volume to 2.00 GiB. THIS MAY DESTROY YOUR DATA (filesystem etc.)...Logical volume TESTvg/TESTlv successfully resized....remove active logical volume TESTvg/TESTlv?...[y/n]: y Logical volume "TESTlv" successfully removed [root@cdcjtx-centos-001 ~]# vgremove TESTvg
-node1 ~]# lvs [root@test-centos7-node1 ~]# lvcreate -L 2G -n aaa test Logical volume "aaa" created....[root@test-centos7-node1 ~]# lvcreate -L 3G -n bbb test Logical volume "bbb" created....Logical volume test/aaa successfully resized....Logical volume test/bbb successfully resized....Logical volume "xxx" created.
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