root@mysql-02:~# cat /etc/drbd.conf global { usage-count yes; } common { syncer { rate 100M; } } resource r0 { protocol C; handlers { pri-on-incon-degr "echo o > /proc/sysrq-trigger ; halt -f"; pri-lost-after-sb "echo o > /proc/sysrq-trigger ; halt -f"; local-io-error "echo o > /proc/sysrq-trigger ; halt -f"; outdate-peer "/usr/lib/heartbeat/drbd-peer-outdater"; } startup { degr-wfc-timeout 120; # 2 minutes. } disk { on-io-error call-local-io-error; } net { data-integrity-alg sha1; cram-hmac-alg sha1; shared-secret "matrix"; after-sb-0pri discard-zero-changes; after-sb-1pri discard-secondary; after-sb-2pri disconnect; rr-conflict disconnect; } syncer { rate 100M; al-extents 257; verify-alg sha1; cpu-mask 1; } on mysql-01 { device /dev/drbd0; disk /dev/sdb1; address 10.0.0.212:7788; meta-disk internal; } on mysql-02 { device /dev/drbd0; disk /dev/sdb1; address 10.0.0.213:7788; meta-disk internal; } }