Re: [PATCH 0/4] (RESEND) ext3 barrier changes
From: Jamie Lokier
Date: Tue May 20 2008 - 19:48:53 EST
Ric Wheeler wrote:
> The hard thing is to figure out how to test this kind of scenario
> without dropping power.
Apart from using virtual machines, you mean?
> To expose the failure mode, it might be
> sufficient to drop power to a drive with smartctl (or, if you have hot
> swap bays, just pull them).
I wonder, does sending any kind of reset commands to drives cause them
to discard their write cache?
If the hot swap power switch is accessible from software, that would
be a nice trick :-)
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