Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Generic answer follows.
See the manual:
http://www.drbd.org/users-guide/s-resolve-split-brain.html
http://www.drbd.org/users-guide/s-configure-split-brain-behavior.html
Regards,
M.
Eugene Shlyapkin wrote:
> Hello everybody
>
>
>
> I have three nodes.
>
> Aps-1 has app recourse
>
> Aps-2 has mysql recourse
>
> Aps-3 has app and mysql resources
>
>
>
> As I founded that Split Barain has take place.
>
> Please see status the drbd status:
>
>
>
> sudo /etc/init.d/drbd status
>
> drbd driver loaded OK; device status:
>
> version: 8.0.14 (api:86/proto:86)
>
> GIT-hash: bb447522fc9a87d0069b7e14f0234911ebdab0f7 build by
> phil at fat-tyre, 2008-11-12 16:40:33
>
> m:res cs st ds p mounted
> fstype
>
> 0:app Connected Secondary/Secondary UpToDate/UpToDate C
>
> 1:mysql Connected Secondary/Secondary UpToDate/Diskless C
>
>
>
> May be anybody can help me to solve this problem?
>
>
>
> My drbd.conf for aps-3 is:
>
>
>
> global {
>
> usage-count yes;
>
> }
>
> resource app {
>
> 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 -t 5";
>
> }
>
> startup {
>
> wfc-timeout 30;
>
> degr-wfc-timeout 120; # 2 minutes.
>
> }
>
> disk {
>
> on-io-error pass_on;
>
>
>
> }
>
> net {
>
> }
>
> syncer {
>
> rate 20M;
>
> al-extents 257;
>
> }
>
> on aps-3 {
>
> device /dev/drbd0;
>
> disk /dev/sda9;
>
> address 10.11.4.3:7788;
>
> meta-disk internal;
>
> }
>
> on aps-1 {
>
> device /dev/drbd0;
>
> disk /dev/sda8;
>
> address 10.11.4.4:7788; # flexible-meta-disk internal;
>
> meta-disk internal;
>
> }
>
> }
>
>
>
> resource mysql {
>
> 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 -t 5";
>
> }
>
> startup {
>
> wfc-timeout 30; ## Infinite!
>
> degr-wfc-timeout 120; ## 2 minutes.
>
> }
>
> disk {
>
> on-io-error pass_on;
>
> }
>
> net {
>
> }
>
> syncer {
>
> rate 200M;
>
> al-extents 257; }
>
>
>
> on aps-2 {
>
> device /dev/drbd1;
>
> disk /dev/sda10;
>
> address 10.11.4.5:7789;
>
> meta-disk internal;
>
> }
>
>
>
> on aps-3 {
>
> device /dev/drbd1;
>
> disk /dev/sda10;
>
> address 10.11.4.3:7789;
>
> meta-disk internal;
>
> }
>
> }
>
>
> ------------------------------------------------------------------------
>
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