我的 Fedora 系统连接到 1TB 磁盘，但 / 只有 73.4 GB，而我的主目录有 ~700 GB，为什么？df -h
Filesystem Size Used Avail Use% Mounted on
devtmpfs 5.8G 0 5.8G 0% /dev
tmpfs 5.8G 149M 5.7G 3% /dev/shm
tmpfs 5.8G 2.3M 5.8G 1% /run
/dev/mapper/fedora_localhost--live-root 69G 66G 0 100% /
tmpfs 5.8G 24K 5.8G 1% /tmp
/dev/loop5 128K 128K 0 100% /var/lib/snapd/snap/hello-world/29
/dev/loop4 63M 63M 0 100% /var/lib/snapd/snap/gtk-common-themes/1506
/dev/sda1 976M 315M 595M 35% /boot
/dev/loop3 162M 162M 0 100% /var/lib/snapd/snap/gnome-3-28-1804/128
/dev/loop2 98M 98M 0 100% /var/lib/snapd/snap/core/9289
/dev/loop0 58M 58M 0 100% /var/lib/snapd/snap/discord/109
/dev/loop1 55M 55M 0 100% /var/lib/snapd/snap/core18/1754
/dev/mapper/fedora_localhost--live-home 841G 109G 689G 14% /home
tmpfs 1.2G 16K 1.2G 1% /run/user/42
tmpfs 1.2G 196K 1.2G 1% /run/user/1000
/dev/sdb1 1.7T 125G 1.5T 8% /run/media/juliefilm/Dev_Large
/dev/sdb2 221G 18G 203G 9% /run/media/juliefilm/Dev_Small
山
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
devtmpfs on /dev type devtmpfs (rw,nosuid,size=6036936k,nr_inodes=1509234,mode=755)
securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,nodev,mode=755)
cgroup2 on /sys/fs/cgroup type cgroup2 (rw,nosuid,nodev,noexec,relatime,nsdelegate)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
none on /sys/fs/bpf type bpf (rw,nosuid,nodev,noexec,relatime,mode=700)
configfs on /sys/kernel/config type configfs (rw,nosuid,nodev,noexec,relatime)
/dev/mapper/fedora_localhost--live-root on / type ext4 (rw,relatime)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=30,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=17257)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,pagesize=2M)
tracefs on /sys/kernel/tracing type tracefs (rw,nosuid,nodev,noexec,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime)
mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev)
fusectl on /sys/fs/fuse/connections type fusectl (rw,nosuid,nodev,noexec,relatime)
/var/lib/snapd/snaps/hello-world_29.snap on /var/lib/snapd/snap/hello-world/29 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/gtk-common-themes_1506.snap on /var/lib/snapd/snap/gtk-common-themes/1506 type squashfs (ro,nodev,relatime,x-gdu.hide)
/dev/sda1 on /boot type ext4 (rw,relatime)
/var/lib/snapd/snaps/gnome-3-28-1804_128.snap on /var/lib/snapd/snap/gnome-3-28-1804/128 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/core_9289.snap on /var/lib/snapd/snap/core/9289 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/discord_109.snap on /var/lib/snapd/snap/discord/109 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/core18_1754.snap on /var/lib/snapd/snap/core18/1754 type squashfs (ro,nodev,relatime,x-gdu.hide)
/dev/mapper/fedora_localhost--live-home on /home type ext4 (rw,relatime)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw,relatime)
tmpfs on /run/user/42 type tmpfs (rw,nosuid,nodev,relatime,size=1212744k,mode=700,uid=42,gid=42)
tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,size=1212744k,mode=700,uid=1000,gid=1000)
gvfsd-fuse on /run/user/1000/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000)
/dev/sdb1 on /run/media/juliefilm/Dev_Large type fuseblk (rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096,uhelper=udisks2)
/dev/sdb2 on /run/media/juliefilm/Dev_Small type fuseblk (rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096,uhelper=udisks2)
portal on /run/user/1000/doc type fuse.portal (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000)
[juliefilm@localhost /]$ df -h
df: /run/user/1000/doc: Operation not permitted
Filesystem Size Used Avail Use% Mounted on
devtmpfs 5.8G 0 5.8G 0% /dev
tmpfs 5.8G 149M 5.7G 3% /dev/shm
tmpfs 5.8G 2.3M 5.8G 1% /run
/dev/mapper/fedora_localhost--live-root 69G 66G 0 100% /
tmpfs 5.8G 24K 5.8G 1% /tmp
/dev/loop5 128K 128K 0 100% /var/lib/snapd/snap/hello-world/29
/dev/loop4 63M 63M 0 100% /var/lib/snapd/snap/gtk-common-themes/1506
/dev/sda1 976M 315M 595M 35% /boot
/dev/loop3 162M 162M 0 100% /var/lib/snapd/snap/gnome-3-28-1804/128
/dev/loop2 98M 98M 0 100% /var/lib/snapd/snap/core/9289
/dev/loop0 58M 58M 0 100% /var/lib/snapd/snap/discord/109
/dev/loop1 55M 55M 0 100% /var/lib/snapd/snap/core18/1754
/dev/mapper/fedora_localhost--live-home 841G 109G 689G 14% /home
tmpfs 1.2G 16K 1.2G 1% /run/user/42
tmpfs 1.2G 196K 1.2G 1% /run/user/1000
/dev/sdb1 1.7T 125G 1.5T 8% /run/media/juliefilm/Dev_Large
/dev/sdb2 221G 18G 203G 9% /run/media/juliefilm/Dev_Small
[juliefilm@localhost /]$ mount
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
devtmpfs on /dev type devtmpfs (rw,nosuid,size=6036936k,nr_inodes=1509234,mode=755)
securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,nodev,mode=755)
cgroup2 on /sys/fs/cgroup type cgroup2 (rw,nosuid,nodev,noexec,relatime,nsdelegate)
pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime)
none on /sys/fs/bpf type bpf (rw,nosuid,nodev,noexec,relatime,mode=700)
configfs on /sys/kernel/config type configfs (rw,nosuid,nodev,noexec,relatime)
/dev/mapper/fedora_localhost--live-root on / type ext4 (rw,relatime)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=30,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=17257)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,pagesize=2M)
tracefs on /sys/kernel/tracing type tracefs (rw,nosuid,nodev,noexec,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime)
mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev)
fusectl on /sys/fs/fuse/connections type fusectl (rw,nosuid,nodev,noexec,relatime)
/var/lib/snapd/snaps/hello-world_29.snap on /var/lib/snapd/snap/hello-world/29 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/gtk-common-themes_1506.snap on /var/lib/snapd/snap/gtk-common-themes/1506 type squashfs (ro,nodev,relatime,x-gdu.hide)
/dev/sda1 on /boot type ext4 (rw,relatime)
/var/lib/snapd/snaps/gnome-3-28-1804_128.snap on /var/lib/snapd/snap/gnome-3-28-1804/128 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/core_9289.snap on /var/lib/snapd/snap/core/9289 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/discord_109.snap on /var/lib/snapd/snap/discord/109 type squashfs (ro,nodev,relatime,x-gdu.hide)
/var/lib/snapd/snaps/core18_1754.snap on /var/lib/snapd/snap/core18/1754 type squashfs (ro,nodev,relatime,x-gdu.hide)
/dev/mapper/fedora_localhost--live-home on /home type ext4 (rw,relatime)
sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw,relatime)
tmpfs on /run/user/42 type tmpfs (rw,nosuid,nodev,relatime,size=1212744k,mode=700,uid=42,gid=42)
tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,size=1212744k,mode=700,uid=1000,gid=1000)
gvfsd-fuse on /run/user/1000/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000)
/dev/sdb1 on /run/media/juliefilm/Dev_Large type fuseblk (rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096,uhelper=udisks2)
/dev/sdb2 on /run/media/juliefilm/Dev_Small type fuseblk (rw,nosuid,nodev,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096,uhelper=udisks2)
portal on /run/user/1000/doc type fuse.portal (rw,nosuid,nodev,relatime,user_id=1000,group_id=1000)
分区
已解决：/usr 不可写，奇怪但没问题 WORNG（仍然需要答案）
答案1
您的/home可用空间为 689 GiB，但总共为 841 GiB。此外，您还有 69 GiB 的根分区/和 976 MiB /boot。总共是 911 GiB，或 978 GB - 几乎 1 TB。您可能有一些未分配的空间或元数据开销，我们需要一个 GParted 屏幕截图来检查。