From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Tokarev Subject: Re: Simulating Drive Failure on Mirrored OS drive Date: Tue, 03 Oct 2006 00:20:31 +0400 Message-ID: <4521748F.7000300@tls.msk.ru> References: <4520555B.4080000@aol.com> <4520C785.8010709@dgreaves.com> <45215240.1040301@aol.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <45215240.1040301@aol.com> Sender: linux-raid-owner@vger.kernel.org To: andy liebman Cc: david@dgreaves.com, linux-raid@vger.kernel.org List-Id: linux-raid.ids andy liebman wrote: > >> >> Read up on the md-faulty device. > > Got any links to this? As I said, we know how to set the device as > faulty, but I'm not convinced this is a good simulation of a drive that > fails (times out, becomes unresponsive, etc.) Note that 'set device as faulty' is NOT the same as `md-faulty device'. Read mdamd(8) manpage, and see options `-l' (level) and `-p' (parity) for create mode. /mjt