Linux下搭建Mac的Time Machine备份服务

环境信息：Ubuntu 24.04

安装服务

apt-get update
apt-get install samba samba-common -y
apt-get install avahi-daemon avahi-utils -y

配置avahi服务，用于Time Machine的自动发现

在这个文件中，添加你当前机器的IP及主机名
cat /etc/avahi/hosts
192.168.3.1 TimeMachine.local

创建smb用户，并设置密码

useradd TimeMachineUser
(echo TimeMachinePassword;echo TimeMachinePassword)|smbpasswd -a TimeMachineUser -s

创建要备份的目录，配置权限

mkdir -p /data/TimeMachine 
chmod 755 /data/TimeMachine
chown TimeMachineUser:TimeMachineUser /data/TimeMachine -R

创建samba的配置文件

tee /etc/samba/smb.conf <<-'EOF'
[global]
   workgroup = WORKGROUP
   server string = Router Time Machine Server

   server min protocol = SMB2
   client min protocol = SMB2
   client max protocol = SMB3_11

   logfile = /var/log/samba/%m.log
   max log size = 50
   log level = 1
   hide unreadable = yes
   invalid users = root admin administrator

   # ================= macOS VFS 模块优化 =================
   vfs objects = catia fruit streams_xattr
   fruit:aapl = yes
   fruit:nfs_aces = no
   fruit:metadata = stream
   fruit:veto_appledouble = yes
   fruit:posix_appledouble = no
   fruit:delete_empty_ADs = yes
   fruit:wipe_intentionally_left_blank_rfork = yes
   fruit:posix_rename = yes
   fruit:model = TimeCapsule
   fruit:copyfile = yes

[RouterTM]
   comment = macOS Time Machine Share
   path = /data/TimeMachine
   browseable = yes
   writable = yes
   available = yes
   valid users = TimeMachineUser
   force user = TimeMachineUser
   force group = TimeMachineUser
   create mask = 0644
   directory mask = 0755

   # 启用Time Machine
   fruit:time machine = yes

   # 配额
   fruit:time machine max size = 1000G

   # 防数据损坏配置：强制实时物理刷盘
   # 作用：Mac 发送 commit 指令时强制将脏数据落盘，防止断网/休眠导致 sparsebundle 索引和加密头坏死
   strict sync = yes
   sync always = yes

   # 避免文件锁死与僵尸挂载点
   kernel oplocks = no
   posix locking = no
EOF

重启相关服务

systemctl restart smbd.service
systemctl restart avahi-daemon.service

接下来就可以在Mac上添加这个Time machine的备份了

Mac 上如果遇到备份失败，可用下面命令查询失败的日志

log show --predicate 'subsystem == "com.apple.TimeMachine"' --info --last 1h

Linux下搭建Mac的Time Machine备份服务

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