Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On 07/05/16 06:44 AM, Pratip Ghosh wrote: > Hello Guys, > > I am a new user in this group and need some urgent help. > > I am trying to configure HA storage using DRBD with OCFS2 on Ubuntu > 14.04 at AWS EC2 instance. I configured both server as primary. If I > shutdown one server and start again it will automatically become primary > after booting process and have up-to date data in both servers, but if I > reboot any one server it was not connecting again as a primary after > booting process and showing following status in both servers. I have > restarted DRBD service in both server one by one but having same issue. > Can anyone guide me one this? > > Server1 > ===== > root at drbd01:~# service drbd status > drbd driver loaded OK; device status: > version: 8.4.3 (api:1/proto:86-101) > srcversion: 6551AD2C98F533733BE558C > m:res cs ro ds p mounted fstype > 0:r0 StandAlone Primary/Unknown UpToDate/DUnknown r----- > > > Server2 > ===== > root at drbd02:~# service drbd status > drbd driver loaded OK; device status: > version: 8.4.3 (api:1/proto:86-101) > srcversion: 6551AD2C98F533733BE558C > m:res cs ro ds p mounted fstype > 0:r0 StandAlone Primary/Unknown UpToDate/DUnknown r----- > > > Regards, > Pratip Ghosh This is the definition of a split-brain and it is the result of not having fencing configured. For a more useful answer, please share more information on your environment and config. -- Digimer Papers and Projects: https://alteeve.ca/w/ What if the cure for cancer is trapped in the mind of a person without access to education?