ALPHA Cluster Troubleshooting

cs:Connected st:'Primary/Unknown' ds:UpToDate/DUnknown r---
ns:0 nr:0 dw:1036 dr:3111 al:0 bm:98 lo:0 pe:0 ua:0 ap:0 

(a) If the cluster (/OPT) is mounted on Primary node and showing above error,then run the following commands.

(1) drbdadm -- --discard-my-data connect all (on Node2 with "bad" data)

(2) drbdadm connect all (on Node1 with "good" data)

After running those commands check Node1 .

(3) service drbd status (It will show that data is syncing to node2 disk)

cs:WFConnection st:'Secondary/Unknown' ds:UpToDate/DUnknown C r---
ns:0 nr:0 dw:0 dr:0 al:0 bm:17 lo:0 pe:0 ua:0 ap:0 

(a) If the cluster (/OPT) is mounted on Secondary node and showing above error,then run the following commands.

(1) drbdadm -- --discard-my-data connect all (on Node1 with "bad" data)

(2) drbdadm connect all (on Node2 with "good" data)

After running this command check Node2 .

(3) service drbd status (It will show that data is syncing to node1 disk)