Thanks, Digimer, and greetings again. The configuration is: Failover of primary to secondary. Two nodes: one primary, one secondary in, as you say, a RAID 1 configuration.
So, all three get used? In our current configuration, we are only using DRBD and Heartbeat. Bruce M. Wolfe, M.S.W., CIO 24 Belvedere St. San Rafael, CA 94901 415/456.5692 (Main Office) 415/257.2493 (Direct) 415/456.0491 (Fax) KI6BSL (HAM) "Injustice must be exposed, with all the tension its exposure creates, to the light of human conscience and the air of national opinion before it can be cured." - Martin Luther King Jr. ----- Original Message ----- | On 08/15/2012 06:09 PM, Bruce Wolfe, M.S.W., CIO wrote: | > Just wondering where a good one is. Starting a new install with just | > two | > nodes. | > Corosync *or* DRBD, and Pacemaker | > | > Thanks in advance. | These are complementary, not opposing, technologies. | DRBD = block-level disk replication (think 'RAID 1 over a network') | Corosync = Cluster membership, ordered messaging, etc. | Pacemaker = Cluster resource management. That is, what runs where on | the | cluster depending on the current membership. | So the short answer to you question is; All three. | The long answer depends entirely on what you are trying to do. | -- | Digimer | Papers and Projects: https://alteeve.com
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