mirror of
https://github.com/adambard/learnxinyminutes-docs.git
synced 2024-12-23 17:41:41 +00:00
Merge pull request #4883 from A1EF/zfs-cn
[zfs/zh-cn] Update zfs.html.markdown
This commit is contained in:
Adam Bard
GitHub
commit
98efc3012d
@ -23,7 +23,6 @@ ZFS不但有把它和传统存储系统分开来的特有术语，也有很多
|
||||
建议使用阵列卡。让ZFS直接管理磁盘。
|
||||
|
||||
VDEV的类型
|
||||
* stripe (条带。单个磁盘，没有冗余)
|
||||
* mirror (镜像。支持n-way镜像)
|
||||
* raidz
|
||||
* raidz1 (一个奇偶校验磁盘, 类似于RAID 5)
|
||||
@ -57,7 +56,7 @@ ZFS 数据集类似于传统的文件系统（译者注：或者说是目录）
|
||||
|
||||
### 存储池
|
||||
|
||||
Actions: （存储池操作）
|
||||
Actions: （存储池操作）
|
||||
* List （列举）
|
||||
* Status （查看状态）
|
||||
* Destroy （删除）
|
||||
@ -67,7 +66,7 @@ List zpools （列举存储池（也叫zpool））
|
||||
|
||||
```bash
|
||||
# 创建一个raidz类型的存储池(名称为bucket）
|
||||
$ zpool create bucket raidz1 gpt/zfs0 gpt/zfs1 gpt/zfs2
|
||||
$ zpool create zroot raidz1 gpt/zfs0 gpt/zfs1 gpt/zfs2
|
||||
|
||||
# 列出所有存储池
|
||||
$ zpool list
|
||||
@ -154,22 +153,22 @@ Create datasets
|
||||
|
||||
```bash
|
||||
# 创建数据集
|
||||
$ zfs create tank/root/data
|
||||
$ zfs create zroot/root/data
|
||||
$ mount | grep data
|
||||
tank/root/data on /data (zfs, local, nfsv4acls)
|
||||
zroot/root/data on /data (zfs, local, nfsv4acls)
|
||||
|
||||
# 创建子数据集
|
||||
$ zfs create tank/root/data/stuff
|
||||
$ zfs create zroot/root/data/stuff
|
||||
$ mount | grep data
|
||||
tank/root/data on /data (zfs, local, nfsv4acls)
|
||||
tank/root/data/stuff on /data/stuff (zfs, local, nfsv4acls)
|
||||
zroot/root/data on /data (zfs, local, nfsv4acls)
|
||||
zroot/root/data/stuff on /data/stuff (zfs, local, nfsv4acls)
|
||||
|
||||
|
||||
# 创建卷
|
||||
$ zfs create -V zroot/win_vm
|
||||
$ zfs list zroot/win_vm
|
||||
NAME USED AVAIL REFER MOUNTPOINT
|
||||
tank/win_vm 4.13G 17.9G 64K -
|
||||
zroot/win_vm 4.13G 17.9G 64K -
|
||||
```
|
||||
|
||||
List datasets （列举数据集）
|
||||
@ -207,28 +206,28 @@ zroot/var/tmp@daily-2015-10-15
|
||||
Rename datasets （重命名数据集）
|
||||
|
||||
```bash
|
||||
$ zfs rename tank/root/home tank/root/old_home
|
||||
$ zfs rename tank/root/new_home tank/root/home
|
||||
$ zfs rename zroot/root/home zroot/root/old_home
|
||||
$ zfs rename zroot/root/new_home zroot/root/home
|
||||
```
|
||||
|
||||
Delete dataset （删除数据集）
|
||||
|
||||
```bash
|
||||
# 数据集如果有快照则无法删除
|
||||
zfs destroy tank/root/home
|
||||
$ zfs destroy zroot/root/home
|
||||
```
|
||||
|
||||
Get / set properties of a dataset （获取/设置数据集属性）
|
||||
|
||||
```bash
|
||||
# 获取数据集全部属性
|
||||
$ zfs get all zroot/usr/home │157 # Create Volume
|
||||
NAME PROPERTY VALUE SOURCE │158 $ zfs create -V zroot/win_vm
|
||||
zroot/home type filesystem - │159 $ zfs list zroot/win_vm
|
||||
zroot/home creation Mon Oct 20 14:44 2014 - │160 NAME USED AVAIL REFER MOUNTPOINT
|
||||
zroot/home used 11.9G - │161 tank/win_vm 4.13G 17.9G 64K -
|
||||
zroot/home available 94.1G - │162 ```
|
||||
zroot/home referenced 11.9G - │163
|
||||
$ zfs get all zroot/usr/home
|
||||
NAME PROPERTY VALUE SOURCE
|
||||
zroot/home type filesystem -
|
||||
zroot/home creation Mon Oct 20 14:44 2014 -
|
||||
zroot/home used 11.9G -
|
||||
zroot/home available 94.1G -
|
||||
zroot/home referenced 11.9G -
|
||||
zroot/home mounted yes -
|
||||
...
|
||||
|
||||
@ -276,16 +275,16 @@ Create snapshots （创建快照）
|
||||
|
||||
```bash
|
||||
# 为单一数据集创建快照
|
||||
zfs snapshot tank/home/sarlalian@now
|
||||
zfs snapshot zroot/home/sarlalian@now
|
||||
|
||||
# 为数据集及其子集创建快照
|
||||
$ zfs snapshot -r tank/home@now
|
||||
$ zfs snapshot -r zroot/home@now
|
||||
$ zfs list -t snapshot
|
||||
NAME USED AVAIL REFER MOUNTPOINT
|
||||
tank/home@now 0 - 26K -
|
||||
tank/home/sarlalian@now 0 - 259M -
|
||||
tank/home/alice@now 0 - 156M -
|
||||
tank/home/bob@now 0 - 156M -
|
||||
zroot/home@now 0 - 26K -
|
||||
zroot/home/sarlalian@now 0 - 259M -
|
||||
zroot/home/alice@now 0 - 156M -
|
||||
zroot/home/bob@now 0 - 156M -
|
||||
...
|
||||
```
|
||||
|
||||
@ -293,20 +292,20 @@ Destroy snapshots （删除快照）
|
||||
|
||||
```bash
|
||||
# 如何删除快照
|
||||
$ zfs destroy tank/home/sarlalian@now
|
||||
$ zfs destroy zroot/home/sarlalian@now
|
||||
|
||||
# 删除某一数据集及其子集的快照
|
||||
$ zfs destroy -r tank/home/sarlalian@now
|
||||
$ zfs destroy -r zroot/home/sarlalian@now
|
||||
```
|
||||
|
||||
Renaming Snapshots （重命名）
|
||||
|
||||
```bash
|
||||
# 重命名快照
|
||||
$ zfs rename tank/home/sarlalian@now tank/home/sarlalian@today
|
||||
$ zfs rename tank/home/sarlalian@now today
|
||||
$ zfs rename zroot/home/sarlalian@now zroot/home/sarlalian@today
|
||||
$ zfs rename zroot/home/sarlalian@now today
|
||||
|
||||
# zfs rename -r tank/home@now @yesterday
|
||||
$ zfs rename -r zroot/home@now @yesterday
|
||||
```
|
||||
|
||||
Accessing snapshots （访问快照）
|
||||
@ -320,26 +319,26 @@ Sending and Receiving
|
||||
|
||||
```bash
|
||||
# 备份快照到一个文件
|
||||
$ zfs send tank/home/sarlalian@now | gzip > backup_file.gz
|
||||
$ zfs send zroot/home/sarlalian@now | gzip > backup_file.gz
|
||||
|
||||
# 发送快照到另一个数据集
|
||||
$ zfs send tank/home/sarlalian@now | zfs recv backups/home/sarlalian
|
||||
$ zfs send zroot/home/sarlalian@now | zfs recv backups/home/sarlalian
|
||||
|
||||
# 发送快照到一个远程主机
|
||||
$ zfs send tank/home/sarlalian@now | ssh root@backup_server 'zfs recv tank/home/sarlalian'
|
||||
$ zfs send zroot/home/sarlalian@now | ssh root@backup_server 'zfs recv zroot/home/sarlalian'
|
||||
|
||||
# 发送完整数据集及其快照到一个新主机
|
||||
$ zfs send -v -R tank/home@now | ssh root@backup_server 'zfs recv tank/home'
|
||||
$ zfs send -v -R zroot/home@now | ssh root@backup_server 'zfs recv zroot/home'
|
||||
```
|
||||
|
||||
Cloneing Snapshots （克隆快照）
|
||||
|
||||
```bash
|
||||
# 克隆一个快照
|
||||
$ zfs clone tank/home/sarlalian@now tank/home/sarlalian_new
|
||||
$ zfs clone zroot/home/sarlalian@now zroot/home/sarlalian_new
|
||||
|
||||
# 提升克隆，让它不再依赖原始快照
|
||||
$ zfs promote tank/home/sarlalian_new
|
||||
$ zfs promote zroot/home/sarlalian_new
|
||||
```
|
||||
|
||||
### 汇总
|
||||
|
||||
Loading…
Reference in New Issue
Block a user