............................................................................... 19 5 Heartbeat+DRBD+mysql 高可用方案 .................................................................................... 20 ........................ 20 5.5.2 DRBD 的安装 .................................................................................................... 20 5.5.3 DRBD 的配置 ................................ .................................................................... 21 5.5.4 DRBD 的管理维护 ............................................................................................ 21 5.5.5 Heartbeat

.......................................................................................... 377 1. DRBD ................................................................................................. http://wiki.ubuntu.com/LxcSecurity 376 Chapter 21. Clustering 377 Clustering 1. DRBD Distributed Replicated Block Device (DRBD) mirrors block devices between multiple hosts. The replication is transparent logical volumes, etc can be mirrored. To get started using drbd, first install the necessary packages. From a terminal enter: sudo apt install drbd8-utils If you are using the virtual kernel as part of a

agents 3 ubuntu-ha-pacemaker-fence-agents Pacemaker - fence agents 3 ubuntu-ha-drbd Distributed Replicated Block Device (DRBD) 3 ubuntu-ha-migrate-from-crmsh-to-pcs Ubuntu HA - Migrate from crmsh to pcs Introduction Pacemaker - resource agents Pacemaker - fence agents Distributed Replicated Block Device (DRBD) Ubuntu HA - Migrate from crmsh to pcs Databases Introduction MySQL PostgreSQL Monitoring Logging Ubuntu | Upstream crmsh Ubuntu | Upstream pcs* Ubuntu | Upstream cluster-glue Ubuntu | Upstream drbd-utils Ubuntu | Upstream dlm Ubuntu | Upstream gfs2-utils Ubuntu | Upstream keepalived Ubuntu |

Scalability Data Distribution © 2018 Percona. 11 High Availability with MySQL Cold Standby (ie DRBD) Failover (Classical Replication) Active-Active Clustering (PXC, MySQL Group Replication) © Level Application Level © 2018 Percona. 25 Storage Level Replication Replication in SAN/NAS, DRBD Typically provides cold standby Simple choice which works with many systems Amazon Aurora – Smart

system — specifically, writes to the standby must be done in the same order as those on the master. DRBD is a popular file system replication solution for Linux. Warm Standby Using Point-In-Time Recovery Multi- master Replica- tion Synchronous Multi- master Replica- tion Most Common Implemen- tation NAS DRBD PITR Slony pgpool-II Bucardo Communication Method shared disk disk blocks WAL table rows SQL table

system — specifically, writes to the standby must be done in the same order as those on the master. DRBD is a popular file system replication solution for Linux. Warm Standby Using Point-In-Time Recovery Multi- master Replica- tion Synchronous Multi- master Replica- tion Most Common Implemen- tation NAS DRBD PITR Slony pgpool-II Bucardo Communication Method shared disk disk blocks WAL table rows SQL table

system — specifically, writes to the standby must be done in the same order as those on the master. DRBD is a popular file system replication solution for Linux. Warm and Hot Standby Using Point-In-Time Multi- master Replica- tion Synchronous Multi- master Replica- tion Most Common Implemen- tation NAS DRBD PITR Slony pgpool-II Bucardo Communication Method shared disk disk blocks WAL table rows SQL table

system — specifically, writes to the standby must be done in the same order as those on the master. DRBD is a popular file system replication solution for Linux. Transaction Log Shipping Warm and hot standby Multi- master Replica- tion Synchronous Multi- master Replica- tion Most Common Implemen- tation NAS DRBD Streaming Repl. Slony pgpool-II Bucardo Communication Method shared disk disk blocks WAL table

system — specifically, writes to the standby must be done in the same order as those on the master. DRBD is a popular file system replication solution for Linux. Warm and Hot Standby Using Point-In-Time Multi- master Replica- tion Synchronous Multi- master Replica- tion Most Common Implemen- tation NAS DRBD PITR Slony pgpool-II Bucardo Communication Method shared disk disk blocks WAL table rows SQL table

system — specifically, writes to the standby must be done in the same order as those on the master. DRBD is a popular file system replication solution for Linux. Transaction Log Shipping Warm and hot standby Multi- master Replica- tion Synchronous Multi- master Replica- tion Most Common Implemen- tation NAS DRBD Streaming Repl. Slony pgpool-II Bucardo Communication Method shared disk disk blocks WAL table