Linux：lvm 补充
All checks were successful
Build and Deploy Quartz Site / build-and-deploy (push) Successful in 4m20s
All checks were successful
Build and Deploy Quartz Site / build-and-deploy (push) Successful in 4m20s
This commit is contained in:
parent
74d0cf7b7f
commit
0a1210cbd8
GPG Key ID:
6666822800008000
@ -784,36 +784,115 @@ LVM 由以下三个主要组件组成：
|
|||||||
|
|
||||||
### 常用命令
|
### 常用命令
|
||||||
|
|
||||||
| 命令 | 常用选项 | 示例 | 释义 |
|
#### 物理卷 (PV)
|
||||||
| ----------- | ---------------------- | -------------------------------------------- | ------------------ |
|
|
||||||
| `pvcreate` | `-v`、`-f`、`-M2` | `pvcreate /dev/sdb1` | 创建物理卷 |
|
| 命令 | 描述 | 语法格式 | 示例命令 |
|
||||||
| `vgcreate` | `-v`、`-f`、`-M2` | `vgcreate vg1 /dev/sdb1` | 创建卷组 |
|
| ----------- | -------------------- | ------------------------------------- | ------------------------------------------------- |
|
||||||
| `lvcreate` | `-v`、`-L`、`-n`、`-i` | `lvcreate -L 10G -n lv1 vg1` | 创建逻辑卷 |
|
| `pvchange` | 更改物理卷属性 | `pvchange [选项] 物理卷` | `pvchange -x n /dev/sda1` |
|
||||||
| `lvextend` | `-L`、`-r` | `lvextend -L +5G /dev/vg1/lv1` | 扩展逻辑卷的大小 |
|
| `pvck` | 检查物理卷的一致性 | `pvck 物理卷` | `pvck /dev/sda1` |
|
||||||
| `lvreduce` | `-L`、`-r` | `lvreduce -L -3G /dev/vg1/lv1` | 减小逻辑卷的大小 |
|
| `pvcreate` | 创建一个新的物理卷 | `pvcreate 设备` | `pvcreate /dev/sda1` |
|
||||||
| `pvdisplay` | `-v`、`-m` | `pvdisplay /dev/sdb1` | 显示物理卷的信息 |
|
| `pvdisplay` | 显示物理卷的属性 | `pvdisplay [选项] [物理卷]` | `pvdisplay /dev/sda1` |
|
||||||
| `vgdisplay` | `-v`、`-m` | `vgdisplay vg1` | 显示卷组的信息 |
|
| `pvmove` | 移动物理卷上的数据 | `pvmove [选项] 源物理卷 [目标物理卷]` | `pvmove /dev/sda1 /dev/sdb1` |
|
||||||
| `lvdisplay` | `-v`、`-m` | `lvdisplay /dev/vg1/lv1` | 显示逻辑卷的信息 |
|
| `pvremove` | 从卷组中移除物理卷 | `pvremove 物理卷` | `pvremove /dev/sda1` |
|
||||||
| `pvmove` | `-v`、`-n` | `pvmove /dev/sda1 /dev/sdb1` | 移动物理卷上的数据 |
|
| `pvresize` | 调整物理卷的大小 | `pvresize [选项] 物理卷` | `pvresize --setphysicalvolumesize 500G /dev/sda1` |
|
||||||
| `vgextend` | `-v`、`-a` | `vgextend vg1 /dev/sdc1` | 将物理卷加入卷组 |
|
| `pvs` | 显示物理卷的概要信息 | `pvs [选项] [物理卷]` | `pvs` |
|
||||||
| `vgreduce` | `-v`、`-a` | `vgreduce vg1 /dev/sdb1` | 从卷组中移除物理卷 |
|
| `pvscan` | 扫描系统中的物理卷 | `pvscan [选项]` | `pvscan` |
|
||||||
| `lvrename` | `-v`、`-L` | `lvrename /dev/vg1/oldname /dev/vg1/newname` | 重命名逻辑卷 |
|
|
||||||
|
#### 卷组 (VG)
|
||||||
|
|
||||||
|
| 命令 | 描述 | 语法格式 | 示例命令 |
|
||||||
|
| ----------------- | ------------------ | ----------------------------------- | -------------------------------------- |
|
||||||
|
| `vgcfgbackup` | 备份卷组配置 | `vgcfgbackup [选项] 卷组` | `vgcfgbackup vg01` |
|
||||||
|
| `vgcfgrestore` | 恢复卷组配置 | `vgcfgrestore [选项] 卷组` | `vgcfgrestore vg01` |
|
||||||
|
| `vgchange` | 更改卷组属性 | `vgchange [选项] 卷组` | `vgchange -a y vg01` |
|
||||||
|
| `vgck` | 检查卷组的一致性 | `vgck [选项] 卷组` | `vgck vg01` |
|
||||||
|
| `vgcreate` | 创建一个新的卷组 | `vgcreate 卷组 物理卷...` | `vgcreate vg01 /dev/sda1` |
|
||||||
|
| `vgconvert` | 转换卷组元数据格式 | `vgconvert [选项] 卷组` | `vgconvert --metadataformat lvm2 vg01` |
|
||||||
|
| `vgdisplay` | 显示卷组的属性 | `vgdisplay [选项] [卷组]` | `vgdisplay vg01` |
|
||||||
|
| `vgexport` | 导出卷组 | `vgexport [选项] 卷组` | `vgexport vg01` |
|
||||||
|
| `vgextend` | 向卷组中添加物理卷 | `vgextend 卷组 物理卷` | `vgextend vg01 /dev/sdb1` |
|
||||||
|
| `vgimport` | 导入卷组 | `vgimport [选项] 卷组` | `vgimport vg01` |
|
||||||
|
| `vgimportclone` | 导入克隆卷组 | `vgimportclone [选项] 卷组` | `vgimportclone vg01` |
|
||||||
|
| `vgimportdevices` | 导入设备的卷组 | `vgimportdevices [选项] 卷组` | `vgimportdevices vg01` |
|
||||||
|
| `vgmerge` | 合并两个卷组 | `vgmerge 卷组1 卷组2` | `vgmerge vg01 vg02` |
|
||||||
|
| `vgmknodes` | 重建设备节点 | `vgmknodes [选项]` | `vgmknodes` |
|
||||||
|
| `vgreduce` | 从卷组中移除物理卷 | `vgreduce 卷组 物理卷` | `vgreduce vg01 /dev/sda1` |
|
||||||
|
| `vgremove` | 删除卷组 | `vgremove 卷组` | `vgremove vg01` |
|
||||||
|
| `vgrename` | 重命名卷组 | `vgrename 卷组 新名称` | `vgrename vg01 vg02` |
|
||||||
|
| `vgs` | 显示卷组的概要信息 | `vgs [选项] [卷组]` | `vgs` |
|
||||||
|
| `vgscan` | 扫描系统中的卷组 | `vgscan [选项]` | `vgscan` |
|
||||||
|
| `vgsplit` | 分割卷组 | `vgsplit [选项] 卷组1 卷组2 物理卷` | `vgsplit vg01 vg02 /dev/sda1` |
|
||||||
|
|
||||||
|
#### 逻辑卷 (LV)
|
||||||
|
|
||||||
|
| 命令 | 描述 | 语法格式 | 示例命令 |
|
||||||
|
| ----------- | -------------------- | --------------------------- | --------------------------------------- |
|
||||||
|
| `lvcreate` | 创建一个新的逻辑卷 | `lvcreate [选项] 卷组` | `lvcreate -L 10G -n lv01 vg01` |
|
||||||
|
| `lvchange` | 更改逻辑卷属性 | `lvchange [选项] 逻辑卷` | `lvchange -ay /dev/vg01/lv01` |
|
||||||
|
| `lvconvert` | 转换逻辑卷类型 | `lvconvert [选项] 逻辑卷` | `lvconvert --type raid1 /dev/vg01/lv01` |
|
||||||
|
| `lvdisplay` | 显示逻辑卷的属性 | `lvdisplay [选项] [逻辑卷]` | `lvdisplay /dev/vg01/lv01` |
|
||||||
|
| `lvextend` | 扩展逻辑卷的大小 | `lvextend [选项] 逻辑卷` | `lvextend -L +5G /dev/vg01/lv01` |
|
||||||
|
| `lvreduce` | 缩减逻辑卷的大小 | `lvreduce [选项] 逻辑卷` | `lvreduce -L 5G /dev/vg01/lv01` |
|
||||||
|
| `lvremove` | 删除逻辑卷 | `lvremove 逻辑卷` | `lvremove /dev/vg01/lv01` |
|
||||||
|
| `lvrename` | 重命名逻辑卷 | `lvrename 逻辑卷 新名称` | `lvrename /dev/vg01/lv01 lv02` |
|
||||||
|
| `lvresize` | 调整逻辑卷的大小 | `lvresize [选项] 逻辑卷` | `lvresize -L 15G /dev/vg01/lv01` |
|
||||||
|
| `lvs` | 显示逻辑卷的概要信息 | `lvs [选项] [逻辑卷]` | `lvs` |
|
||||||
|
| `lvscan` | 扫描系统中的逻辑卷 | `lvscan [选项]` | `lvscan` |
|
||||||
|
|
||||||
|
#### 其他命令
|
||||||
|
|
||||||
|
| 命令 | 描述 | 语法格式 | 示例命令 |
|
||||||
|
| ------------------- | ---------------------- | -------------------------- | ------------------------------- |
|
||||||
|
| `lvm` | LVM 命令的主入口 | `lvm [命令]` | `lvm` |
|
||||||
|
| `lvm.conf` | LVM 配置文件 | `n/a` | `n/a` |
|
||||||
|
| `lvmconfig` | 显示和更新 LVM 配置 | `lvmconfig [选项]` | `lvmconfig --type full` |
|
||||||
|
| `lvmdevices` | 管理 LVM 设备 | `lvmdevices [选项]` | `lvmdevices --adddev /dev/sda1` |
|
||||||
|
| `lvm-fullreport` | 显示 LVM 完整报告 | `lvm-fullreport [选项]` | `lvm-fullreport` |
|
||||||
|
| `lvm-lvpoll` | 轮询 LVM 逻辑卷 | `lvm-lvpoll [选项]` | `lvm-lvpoll` |
|
||||||
|
| `blkdeactivate` | 停用块设备 | `blkdeactivate [选项]` | `blkdeactivate all` |
|
||||||
|
| `lvmdump` | 创建 LVM 状态转储文件 | `lvmdump [选项]` | `lvmdump --dumpconfig` |
|
||||||
|
| `dmeventd` | 设备映射事件守护进程 | `dmeventd [选项]` | `dmeventd -d` |
|
||||||
|
| `lvmpolld` | LVM 轮询守护进程 | `lvmpolld [选项]` | `lvmpolld -d` |
|
||||||
|
| `lvmlockd` | LVM 锁定守护进程 | `lvmlockd [选项]` | `lvmlockd -d` |
|
||||||
|
| `lvmlockctl` | 控制 LVM 锁定 | `lvmlockctl [选项]` | `lvmlockctl --gl` |
|
||||||
|
| `cmirrord` | 集群镜像守护进程 | `cmirrord [选项]` | `cmirrord -d` |
|
||||||
|
| `lvmdbusd` | LVM D-Bus 守护进程 | `lvmdbusd [选项]` | `lvmdbusd -d` |
|
||||||
|
| `fsadm` | 文件系统调整 | `fsadm [选项] 操作` | `fsadm resize /dev/vg01/lv01` |
|
||||||
|
| `lvmsystemid` | 显示 LVM 系统 ID | `lvmsystemid [选项]` | `lvmsystemid` |
|
||||||
|
| `lvmreport` | 生成 LVM 报告 | `lvmreport [选项]` | `lvmreport --all` |
|
||||||
|
| `lvmcache` | 管理 LVM 缓存 | `lvmcache [选项]` | `lvmcache --config` |
|
||||||
|
| `lvmraid` | 管理 LVM RAID | `lvmraid [选项]` | `lvmraid --status` |
|
||||||
|
| `lvmthin` | 管理 LVM 精简卷 | `lvmthin [选项]` | `lvmthin --usage` |
|
||||||
|
| `lvmvdo` | 管理 LVM VDO | `lvmvdo [选项]` | `lvmvdo --status` |
|
||||||
|
| `lvmautoactivation` | 自动激活 LVM 逻辑卷 | `lvmautoactivation [选项]` | `lvmautoactivation --status` |
|
||||||
|
| `dmsetup` | 设备映射器的命令行接口 | `dmsetup [命令]` | `dmsetup status` |
|
||||||
|
| `dmstats` | 设备映射器统计信息 | `dmstats [命令]` | `dmstats list` |
|
||||||
|
| `readline` | 命令行编辑库 | `n/a` | `n/a` |
|
||||||
|
|
||||||
### 常用选项
|
### 常用选项
|
||||||
|
|
||||||
| 选项/全拼 | 释义 |
|
| 选项/全拼 | 释义 |
|
||||||
| ------------------------- | -------------------------------------- |
|
| ------------------------- | ---------------------------------------- |
|
||||||
| `-v, --verbose` | 显示详细的信息 |
|
| `-v, --verbose` | 显示详细的信息 |
|
||||||
| `-f, --force` | 强制执行操作 |
|
| `-f, --force` | 强制执行操作 |
|
||||||
| `-M2, --metadatacopies 2` | 设置元数据区域的备份级别 |
|
| `-L, --size` | 指定逻辑卷的大小 |
|
||||||
| `-L, --size` | 指定逻辑卷的大小 |
|
| `-n, --name` | 指定逻辑卷的名称 |
|
||||||
| `-n, --name` | 指定逻辑卷的名称 |
|
| `-i, --stripes` | 指定逻辑卷的条带数 |
|
||||||
| `-i, --stripes` | 指定逻辑卷的副本数 |
|
| `-r, --resizefs` | 在逻辑卷大小改变后自动调整文件系统 |
|
||||||
| `-r, --resizefs` | 在逻辑卷大小改变后自动执行文件系统调整 |
|
| `-a, --activate` | 激活或停用卷 |
|
||||||
| `-m, --maps` | 显示逻辑卷的映射信息 |
|
| `-y, --yes` | 自动回答“是”以确认操作 |
|
||||||
| `-a, --all` | 将所有未使用的物理卷都添加到卷组中 |
|
| `-P, --partial` | 允许部分操作完成 |
|
||||||
|
| `--addtag` | 向卷、卷组或物理卷添加标签 |
|
||||||
|
| `--deltag` | 从卷、卷组或物理卷删除标签 |
|
||||||
|
| `--config` | 使用特定配置文件 |
|
||||||
|
| `--metadatacopies n` | 设置元数据区域的备份级别为 n |
|
||||||
|
| `--setphysicalvolumesize` | 调整物理卷的大小 |
|
||||||
|
| `-l, --extents` | 指定逻辑卷的大小，以PE（物理扩展）的数量 |
|
||||||
|
| `-s, --snapshot` | 创建逻辑卷的快照 |
|
||||||
|
| `-t, --test` | 运行测试模式，不实际执行命令 |
|
||||||
|
| `-v, --verbose` | 显示详细输出 |
|
||||||
|
|
||||||
### 操作示例
|
### LVM 示例
|
||||||
|
|
||||||
```mermaid
|
```mermaid
|
||||||
graph LR;
|
graph LR;
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user