global {
        usage-count no;
        # minor-count dialog-refresh disable-ip-verification
}

common {
        protocol C;

        handlers {
                pri-on-incon-degr "/usr/lib/drbd/notify-pri-on-incon-degr.sh; /usr/lib/drbd/notify-emergency-reboot.sh; echo b > /proc/sysrq-trigger ; reboot -f";
                pri-lost-after-sb "/usr/lib/drbd/notify-pri-lost-after-sb.sh; /usr/lib/drbd/notify-emergency-reboot.sh; echo b > /proc/sysrq-trigger ; reboot -f";
                local-io-error "/usr/lib/drbd/notify-io-error.sh; /usr/lib/drbd/notify-emergency-shutdown.sh; echo o > /proc/sysrq-trigger ; halt -f";
                # fence-peer "/usr/lib/drbd/crm-fence-peer.sh";
                # split-brain "/usr/lib/drbd/notify-split-brain.sh root";
                # out-of-sync "/usr/lib/drbd/notify-out-of-sync.sh root";
                # before-resync-target "/usr/lib/drbd/snapshot-resync-target-lvm.sh -p 15 -- -c 16k";
                # after-resync-target /usr/lib/drbd/unsnapshot-resync-target-lvm.sh;
        }

        startup {
                # wfc-timeout degr-wfc-timeout outdated-wfc-timeout wait-after-sb;
                wfc-timeout 30;
                degr-wfc-timeout 120;
                outdated-wfc-timeout 10;
        }

        disk {
                # on-io-error fencing use-bmbv no-disk-barrier no-disk-flushes
                # no-disk-drain no-md-flushes max-bio-bvecs
                on-io-error pass_on;
                fencing dont-care;
        }

        net {
                # sndâ^À^Ðbuf-size rcvbuf-size timeout connect-int ping-int ping-timeout max-buffers
                # max-epoch-size ko-count allow-two-primaries cram-hmac-alg shared-secret
                # after-sb-0pri after-sb-1pri after-sb-2pri data-integrity-alg no-tcp-cork
                # timeout       60;    #  6 seconds  (unit = 0.1 seconds)
                # connect-int   10;    # 10 seconds  (unit = 1 second)
                # ping-int      10;    # 10 seconds  (unit = 1 second)
                # ping-timeout   5;    # 500 ms (unit = 0.1 seconds)
                timeout         30;
                ping-int        10;
                ping-timeout    20;
                max-buffers 8192;
                max-epoch-size 4096;
                ko-count 4;
                allow-two-primaries;
                after-sb-0pri discard-zero-changes;
                after-sb-1pri discard-secondary;
                after-sb-2pri disconnect;
        }

        syncer {
                # rate after al-extents use-rle cpu-mask verify-alg csums-alg
                al-extents 31; #124MB sync region
                rate 100M;
                verify-alg crc32c;
                csums-alg crc32c;
                #c-plan-ahead           10; # How long the controller should plan ahead  (unit = 0.1 seconds)
                #c-fill-target           0; # Aimed fill level. 0 to use c-delay-target  (unit = sectors)
                #c-delay-target          6; # Aimed delay by the drbd-proxy's fill level (unit = 0.1 seconds)
                #c-max-rate           100M; # Upper bound for the controller
                #c-min-rate             4M; # below this rate, application IO will not cause extra throttling of resync
        }
}