Sorry this is my drbd.conf
Pier
global { usage-count yes; } resource r0 { protocol C; startup { degr-wfc-timeout 120; # 2 minutes. } disk { on-io-error detach; } net { # allow-two-primaries; cram-hmac-alg "sha1"; shared-secret "FooFunFactory"; } syncer { rate 50M; al-extents 257; } on cluster-1 { device /dev/drbd0; disk /dev/internal_raid/mail; address 10.0.0.1:7788; flexible-meta-disk internal; } on cluster-2 { device /dev/drbd0; disk /dev/internal_raid/mail; address 10.0.0.2:7788; meta-disk internal; } }