Messages in this thread | | | Date | Sun, 16 Mar 2008 16:12:31 +1030 | From | David Newall <> | Subject | Re: [ANNOUNCE] Ramback: faster than a speeding bullet |
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Daniel Phillips wrote: >> Also, please note that the problem here is not related to the number of >> nines of availability. This number only counts the ratio between uptime >> and downtime. We're more facing a problem of MTBF, where the consequences >> of a failure are hard to predict. >> > > That is why I keep recommending that a ramback setup be replicated or > mirrored, which people in this thread keep glossing over. When > replicated or mirrored, you still get the microsecond-level transaction > times, and you get the safety too.
Do you mean it should be replicated with a second ramback? That would be pretty pointless, since all failure modes would affect both. It's not like one ramback will survive a crash when the other doesn't.
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