From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yathindra Subject: Re: mdadm help Date: Wed, 19 Oct 2011 21:12:03 -0600 Message-ID: <4E9F9183.1040809@cs.utah.edu> References: <4E9F8C37.1060706@cs.utah.edu> <20111020140315.716d9c2e@notabene.brown> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20111020140315.716d9c2e@notabene.brown> Sender: linux-raid-owner@vger.kernel.org To: NeilBrown Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids Thanks Neil. On 10/19/2011 9:03 PM, NeilBrown wrote: > On Wed, 19 Oct 2011 20:49:27 -0600 Yathindra wrote: > >> Hi, >> >> I'm trying to use the faulty personality of mdadm tool to inject various >> disk failure patterns >> such as medium errors, unresponsive disk etc. >> >> I'm wondering if there is an option to delay commands to get an >> unresponsive behavior. > No, there is no way to get a delay. You either get a success or a failure. > >> Also, does rt (readtransient) and wt (writetransient) fault options act >> as medium errors. > They simple report an error. The linux block layer doesn't distinguish > reliably amongst different types or errors (or it didn't last time I checked). > > NeilBrown > > >> Thanks, >> Yathi >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-raid" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html