Re: Disk hardware caching, performance, and journalling

Chris Wedgwood (cw@f00f.org)
Sun, 25 Nov 2001 22:23:13 +1300


On Sat, Nov 24, 2001 at 02:39:44PM -0500, Mark Hahn wrote:

why does everyone get freaked out about disk caches? afaikt,
there's only an O(50ms) window at each catastrophic power failure:
trivial for any reasonable rate of failures...

If your disks are busy all the time (eg. a large mail server) then you
will trivially hit this and it will be a problem.

--cw
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