Re: Data replication through disk replication

You pay a price writes, but with write caching enabled on your
(battery-backed, of course) RAID card and using gigabit, it's easy to
get >100MB/s throughput. It's also easy to replicate different block
devices over separate network links, if that becomes your bottleneck.


On May 18, 2007, at 6:14 PM, Alvaro Herrera wrote:

> Ben wrote:
>> If you're just looking for a way to have high availability and
>> you're ok
>> being tied to linux, DRBD is a good way to go. It keeps things
>> simple in
>> that all changes are replicated, it won't say an fsync is finished
>> until
>> it's finished on the remote host too,
>
> Oh, so that's how it works.  I assume performance must be, huh, not
> stellar?
>
> --
> Alvaro Herrera                                http://
> www.CommandPrompt.com/
> The PostgreSQL Company - Command Prompt, Inc.
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