… the host system, DRBD can end up in a split-brain situation. Typically DRBD is run in combination with heartbeat or pacemaker or something similar, and if one of the servers in the DRBD pair… try more than 2; the additional work that the kernel has to do in reordering TCP packets can actually result in…
Comment: Is DRBD the right choice for me?
July 8, 2009 By 18 Comments
Hi Morgan, Of course, a DRBD/Heartbeat setup is not for every use case. Like you mentioned, … log files, usually 2 files of around 100 MB. With DRBD/Heartbeat, once it is setup, you know what the recovery time… built-in self-healing, it is my opinion that a Heartbeat/DRBD HA solution is easier to manage, especially in shops where there…
Post: Finding your MySQL High-Availability solution – The questions
October 16, 2009 By 36 Comments
… replication with manual failover – Master-Master with MMM manager – Heartbeat/SAN – Heartbeat/DRBD – NDB Cluster These technologies are by far, not a one… reach the promised level of availability, the staff maintaining the HA setup, either internal or external, must have the required level…
Comment: Finding your MySQL High-Availability solution – The questions
October 19, 2009 By 36 Comments
… be aware that my own background is a lot with Heartbeat/DRBD and NDB cluster. @Gerry: I have seen cluster that have…, ruling out replication, and needs HA and sharding. The only solution there is to have multiple Heartbeat/DRBD pairs, that’s a lot… have covered by Heartbeat/DRBD or NDB Cluster. @Todd: Replication are two different ways of replicating data, from my experience, DRBD is more…
Post: Finding your MySQL High-Availability solution - The definitions
October 9, 2009 By 10 Comments
… dozen of MySQL HA related engagements while working for Sun/MySQL over the last couple of years using Heartbeat, DRBD and NDB cluster and I’ll probably be doing the same at Percona. I have built my first DRBD based HA solution nearly 10 years ago. There is quite a lot of confusion surrounding HA solutions for MySQL…
Comment: Is DRBD the right choice for me?
July 8, 2009 By 18 Comments
… requirements for replication based availability. “Replication often breaks, while broken, HA is very limited.” That’s true. But this comes down… built-in self-healing, it is my opinion that a Heartbeat/DRBD HA solution is easier to manage, especially in shops where there… built in functions of DRBD are (online device verification, replication event checksums, fast resync after a node has been offline), and I…
Post: Tutorial Insights for Percona Live, London
August 24, 2011 By Leave a Comment
… during number of years at HighLoad conference in Russia. He has wealth of practical experience designing and operating large scale, with… the Pacemaker! will talk about MySQL High Availability using DRBD and Pacemaker (Heartbeat) which have been a high availability solution of choice… person you can find to talk about High Availability with DRBD, and with his experience both as Senior Consultant and Instructor…
Post: Finding your MySQL High-Availability solution – Replication
November 13, 2009 By 6 Comments
… availability, recovery should be automatic. Apart of its simplicity, an HA solution based on replication as many interesting properties, no wonder… highly available solutions but it has some limitations. In my next blog post, I’ll present another HA solution build around Heartbeat and DRBD.
Post: Percona welcomes Yves Trudeau and Fernando Ipar
October 8, 2009 By 6 Comments
… the world. An expert on all things High Availability, including DRBD and Heartbeat. Many years of experience with Huge Data. Half of… in MySQL, GNU/Linux, systems administration, and high availability. Fernando has been involved in computer programming since he was 11, and…
