mergerfs/config.toml

# test file

version = 0

[filesystem]
name = 'foo'
mountpoint = '/tmp/test'
threads = 0

[fuse]
posix-acl = false
async-read = true
message-size = 256

[func]
inode-calc = 'hybrid-hash'
symlinkify = false
symlinkify-timeout = 0
xattr = 'passthrough'

[func.access]
policy = 'ff'

[func.create]
policy = 'ff'

[func.getattr]
policy = 'ff'
follow-symlinks = 'never'

[func.rmdir]
policy = 'all'
follow-symlinks = 'never'

[func.link]
policy = 'all' # 'preserve-paths' | 'create-paths' | 'per-branch'
exdev = 'passthrough'

[func.write]
policy = 'null'
move-on-enospc = 'mfs'

[func.release]
drop-cache = true

[func.read]
policy = 'null'

[func.getxattr]
security-capability = false

[func.setxattr]
security-capability = false

[func.open]
link-cow = true
nfs-hack = 'off'

[func.rename]
policy = 'all'
exdev = 'passthrough'

[func.statfs]
policy = 'base'
ignore = 'none'

[func.readdir]
policy = 'posix'
readdirplus = false

[cache]
files = 'off'
statfs = 0
attr-timeout = 0
entry-timeout = 0
negative-entry-timeout = 0
writeback = false
symlinks = false
readdir = false

[branches]
min-free-space = 123

# TIER 0
[[branches.tier]]
func.create.policy = 'mfs'
func.open.policy = 'ff'

[[branches.tier.branch]]
enabled = true
name = 'branch0'
type = 'glob'
path = '*'
order = 'name:asc' # | size
mode = 'RW'
[[branches.tier.branch]]
enabled = true
name = 'branch1'
type = 'scan'
path = '/mnt/branch1'
mode = 'RW'
[[branches.tier.branch]]
enabled = true
path = '/mnt/*'
type = 'glob'
mode = 'RW'
if-not-mountpoint = 'fail' # 'fail' | 'deactivate' ?

# TIER 1
[[branches.tier]]
[[branches.tier.branch]]
enabled = true
name = 'branch0'
type = 'literal'
path = '/mnt/*'
mode = 'RO'