I can't repo sync a very huge project since "file write error: No space left on device"

[mldxtj-cyc]

WSL version: 2
windows 10 pro OS build: 19041.113
df -h:

xxxxxx:~$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda 251G 239G 4.0K 100% /
tmpfs 5.9G 0 5.9G 0% /mnt/wsl
tools 3.7T 335G 3.4T 9% /init
none 5.9G 0 5.9G 0% /dev
none 5.9G 8.0K 5.9G 1% /run
none 5.9G 0 5.9G 0% /run/lock
none 5.9G 0 5.9G 0% /run/shm
none 5.9G 0 5.9G 0% /run/user
tmpfs 5.9G 0 5.9G 0% /sys/fs/cgroup
C:\ 3.7T 335G 3.4T 9% /mnt/c

maybe the bold text is reason, how to fix it?

[therealkenc]

/dupe #4373

[ghost]

Hi! We've identified this issue as a duplicate of another one that already exists in this repository. This specific instance is being closed in favor of tracking the concern over on the referenced thread.

Thanks for your report!