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为什么我的交换文件没有自动挂载？

tag-icon • tag-icon swap fstab btrfs
为什么我的交换文件没有自动挂载？

我总是在启动后手动激活交换文件。出了什么问题？这是我的/etc/fstab：

# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point>   <type>  <options>       <dump>  <pass>
# / was on /dev/nvme0n1p3 during installation
UUID=65238893-d167-43fd-9c3d-489759c09f06 /               btrfs   defaults,subvol=@ 0       1
# /boot was on /dev/nvme0n1p2 during installation
UUID=4e5c83d5-a781-4af7-a205-f137974d998e /boot           ext4    defaults        0       2
# /boot/efi was on /dev/nvme0n1p1 during installation
UUID=68C0-029E  /boot/efi       vfat    umask=0077      0       1
# /home was on /dev/nvme0n1p3 during installation
UUID=65238893-d167-43fd-9c3d-489759c09f06 /home           btrfs   defaults,subvol=@home 0       2
UUID=65238893-d167-43fd-9c3d-489759c09f06 /swap           btrfs   defaults,noatime,subvol=swap  0   0
/swap/swapfile  none    swap    sw  0   0

以下是输出sudo btrfs sub list /; ls /swap：

ID 256 gen 59227 top level 5 path home
ID 318 gen 62429 top level 5 path @
ID 319 gen 62429 top level 5 path @home
ID 330 gen 62180 top level 318 path swap
swapfile

答案1

我认为问题在于swap您的子卷和挂载到的目录具有相同的名称。

我没有测试过，但mount可能会抛出一个错误

UID=65238893-d167-43fd-9c3d-489759c09f06 /swap           btrfs   defaults,noatime,subvol=swap  0   0

那么下一行也没有被使用。

您的swapfile不是在单独的子卷上创建的，而是在 上创建的@。

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