From 7f760e2aacb4c4c7024c7944136ec2309f75fab1 Mon Sep 17 00:00:00 2001 From: geekpi Date: Mon, 12 Oct 2020 08:13:29 +0800 Subject: [PATCH] translated --- ...sical Volume from a Volume Group in LVM.md | 56 +++++++++---------- 1 file changed, 28 insertions(+), 28 deletions(-) rename {sources => translated}/tech/20201009 How to Remove Physical Volume from a Volume Group in LVM.md (51%) diff --git a/sources/tech/20201009 How to Remove Physical Volume from a Volume Group in LVM.md b/translated/tech/20201009 How to Remove Physical Volume from a Volume Group in LVM.md similarity index 51% rename from sources/tech/20201009 How to Remove Physical Volume from a Volume Group in LVM.md rename to translated/tech/20201009 How to Remove Physical Volume from a Volume Group in LVM.md index b6ca38862b..be4eb25b11 100644 --- a/sources/tech/20201009 How to Remove Physical Volume from a Volume Group in LVM.md +++ b/translated/tech/20201009 How to Remove Physical Volume from a Volume Group in LVM.md @@ -7,32 +7,32 @@ [#]: via: (https://www.2daygeek.com/linux-remove-delete-physical-volume-pv-from-volume-group-vg-in-lvm/) [#]: author: (Magesh Maruthamuthu https://www.2daygeek.com/author/magesh/) -How to Remove Physical Volume from a Volume Group in LVM +如何从 LVM 的卷组中删除物理卷？ ====== -If a device is no longer need for use by LVM, you can use the vgreduce command to remove physical volumes from a volume group. +如果 LVM 不再需要使用某个设备，你可以使用 vgreduce 命令从卷组中删除物理卷。 -The Vgreduce command shrinks the capacity of a volume group by removing a physical volume. +vgreduce 命令通过删除物理卷来缩小卷组的容量。 -But make sure that the physical volume is not used by any logical volumes using the pvdisplay command. +但要确保物理卷没有被任何逻辑卷使用，请使用 pvdisplay 命令。 -If the physical volume is still being used, you must transfer the data to another physical volume using the pvmove command. +如果物理卷仍在使用，你必须使用 pvmove 命令将数据转移到另一个物理卷。 -Once the data is moved, it can be removed from the volume group. +数据转移后，它就可以从卷组中删除。 -Finally use the pvremove command to remove the LVM label and LVM metadata on the empty physical volume. +最后使用 pvremove 命令删除空物理卷上的 LVM 标签和 LVM 元数据。 - * **Part-1: [How to Create/Configure LVM (Logical Volume Management) in Linux][1]** - * **Part-2: [How to Extend/Increase LVM’s (Logical Volume Resize) in Linux][2]** - * **Part-3: [How to Reduce/Shrink LVM’s (Logical Volume Resize) in Linux][3]** + * **第一部分：[如何在 Linux 中创建/配置 LVM（逻辑卷管理）][1]**。 + * **第二部分：[如何在 Linux 中扩展/增加 LVM 大小（逻辑卷调整）][2]**。 + * **第三部分：[如何在 Linux 中减少/缩小 LVM 大小（逻辑卷调整）][3]**。 ![][4] -### 1) Moving Extents to Existing Physical Volumes +### 1) 将扩展移动到现有物理卷上 -Use the pvs command to check if the desired physical volume (we plan to remove the **“/dev/sdb1”** disk in LVM) is used or not. +使用 pvs 命令检查是否使用了所需的物理卷（我们计划删除 LVM 中的 **“/dev/sdb1”** 磁盘）。 ``` # pvs -o+pv_used @@ -43,9 +43,9 @@ PV VG Fmt Attr PSize PFree Used /dev/sdc1 myvg lvm2 a- 17.15G 12.15G 5.00G ``` -If this is used, check to see if there are enough free extents on the other physics volumes in the volume group. +如果使用了，请检查卷组中的其他物理卷是否有足够的空闲空间。 -If so, you can run the pvmove command on the device you want to remove. Extents will be distributed to other devices. +如果有的话，你可以在需要删除的设备上运行 pvmove 命令。扩展将被分配到其他设备上。 ``` # pvmove /dev/sdb1 @@ -57,7 +57,7 @@ If so, you can run the pvmove command on the device you want to remove. Extents /dev/sdb1: Moved: 100.0% ``` -When the pvmove command is complete. Re-use the pvs command to check whether the physics volume is free or not. +当 pvmove 命令完成后。再次使用 pvs 命令检查物理卷是否有空闲。 ``` # pvs -o+pv_used @@ -68,25 +68,25 @@ PV VG Fmt Attr PSize PFree Used /dev/sdc1 myvg lvm2 a- 17.15G 12.15G 5.00G ``` -If it’s free, use the vgreduce command to remove the physical volume /dev/sdb1 from the volume group. +如果它是空闲的，使用 vgreduce 命令从卷组中删除物理卷 /dev/sdb1。 ``` # vgreduce myvg /dev/sdb1 Removed "/dev/sdb1" from volume group "myvg" ``` -Finally, run the pvremove command to remove the disk from the LVM configuration. Now, the disk is completely removed from the LVM and can be used for other purposes. +最后，运行 pvremove 命令从 LVM 配置中删除磁盘。现在，磁盘已经完全从 LVM 中移除，可以用于其他用途。 ``` # pvremove /dev/sdb1 Labels on physical volume "/dev/sdb1" successfully wiped. ``` -### 2) Moving Extents to a New Disk +### 2) 移动扩展到新磁盘 -If you don’t have enough free extents on the other physics volumes in the volume group. Add new physical volume using the steps below. +如果你在卷组中的其他物理卷上没有足够的可用扩展。使用以下步骤添加新的物理卷。 -Request new LUNs from the storage team. Once this is allocated, run the following commands to **[discover newly added LUNs or disks in Linux][5]**. +向存储组申请新的 LUN。分配完毕后，运行以下命令来**[在 Linux 中发现新添加的 LUN 或磁盘][5]**。 ``` # ls /sys/class/scsi_host @@ -101,21 +101,21 @@ host0 # fdisk -l ``` -Once the disk is detected in the OS, use the pvcreate command to create the physical volume. +操作系统中检测到磁盘后，使用 pvcreate 命令创建物理卷。 ``` # pvcreate /dev/sdd1 Physical volume "/dev/sdd1" successfully created ``` -Use the following command to add new physical volume /dev/sdd1 to the existing volume group vg01. +使用以下命令将新的物理卷 /dev/sdd1 添加到现有卷组 vg01 中。 ``` # vgextend vg01 /dev/sdd1 Volume group "vg01" successfully extended ``` -Now, use the pvs command to see the new disk **“/dev/sdd1”** that you have added. +现在，使用 pvs 命令查看你添加的新磁盘 **“/dev/sdd1”**。 ``` # pvs -o+pv_used @@ -127,7 +127,7 @@ PV VG Fmt Attr PSize PFree Used /dev/sdd1 myvg lvm2 a- 60.00G 60.00G 0 ``` -Use the pvmove command to move the data from /dev/sdb1 to /dev/sdd1. +使用 pvmove 命令将数据从 /dev/sdb1 移动到 /dev/sdd1。 ``` # pvmove /dev/sdb1 /dev/sdd1 @@ -139,7 +139,7 @@ Use the pvmove command to move the data from /dev/sdb1 to /dev/sdd1. /dev/sdb1: Moved: 100.0% ``` -After the data is moved to the new disk. Re-use the pvs command to check whether the physics volume is free. +数据移动到新磁盘后。再次使用 pvs 命令检查物理卷是否空闲。 ``` # pvs -o+pv_used @@ -151,14 +151,14 @@ PV VG Fmt Attr PSize PFree Used /dev/sdd1 myvg lvm2 a- 60.00G 10.00G 50.00G ``` -If it’s free, use the vgreduce command to remove the physical volume /dev/sdb1 from the volume group. +如果空闲，使用 vgreduce 命令从卷组中删除物理卷 /dev/sdb1。 ``` # vgreduce myvg /dev/sdb1 Removed "/dev/sdb1" from volume group "myvg" ``` -Finally, run the pvremove command to remove the disk from the LVM configuration. Now, the disk is completely removed from the LVM and can be used for other purposes. +最后，运行 pvremove 命令从 LVM 配置中删除磁盘。现在，磁盘已经完全从 LVM 中移除，可以用于其他用途。 ``` # pvremove /dev/sdb1 @@ -171,7 +171,7 @@ via: https://www.2daygeek.com/linux-remove-delete-physical-volume-pv-from-volume 作者：[Magesh Maruthamuthu][a] 选题：[lujun9972][b] -译者：[译者ID](https://github.com/译者ID) +译者：[geekpi](https://github.com/geekpi) 校对：[校对者ID](https://github.com/校对者ID) 本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出