Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On 10/12/15 09:27 AM, Fabrizio Zelaya wrote: > Thank you Lars and Adam for your recommendations. > > I have ping-timeout set to 5 and it still happened. > > Lars with this fencing idea. I have been contemplating this, however I > am rebuilding servers which are already in place, All the configuration > related to cman and drbd was literally copied and pasted from the old > servers. You can hook DRBD into cman's fencing with the rhch_fence fence handler, which is included with DRBD. This assumes, of course, that you have cman's fencing configured properly. > Is this concept of having dual-primary without fencing being a > mis-configuration something new? No, but it is often overlooked. > I ask this because as you would imagine by now, the old servers are > working with the exact same configuration and have no problems at all. > And while your idea makes perfect sense it would also make sense to have > the exact same problem on every version of drbd. Fencing is like a seatbelt. You can drive for years never needing it, but when you do, it saves you from hitting the windshield. Fencing is 100% needed, and all the more so with dual-primary. > There is a difference to be consider I guess. I am now installing this > servers using SL6 as you saw in my original email, the old servers are > working with Debian 6.0.7 > > The old servers are running drbd8-utils 2:8.3.7-2.1 -- 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?