Greg Smith wrote:
> Merlin Moncure wrote:
> > I am right now talking to someone on postgresql irc who is measuring
> > 15k iops from x25-e and no data loss following power plug test.
> The funny thing about Murphy is that he doesn't visit when things are
> quiet. It's quite possible the window for data loss on the drive is
> very small. Maybe you only see it one out of 10 pulls with a very
> aggressive database-oriented write test. Whatever the odd conditions
> are, you can be sure you'll see them when there's a bad outage in actual
> production though.
> A good test program that is a bit better at introducing and detecting
> the write cache issue is described at
Wow, I had not seen that tool before. I have added a link to it from
our documentation, and also added a mention of our src/tools/fsync test
tool to our docs.
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
+ If your life is a hard drive, Christ can be your backup. +
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