From owner-freebsd-stable@FreeBSD.ORG Tue Feb 9 16:49:27 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DCD33106566B for ; Tue, 9 Feb 2010 16:49:26 +0000 (UTC) (envelope-from fjwcash@gmail.com) Received: from mail-iw0-f203.google.com (mail-iw0-f203.google.com [209.85.223.203]) by mx1.freebsd.org (Postfix) with ESMTP id A25318FC13 for ; Tue, 9 Feb 2010 16:49:26 +0000 (UTC) Received: by iwn41 with SMTP id 41so2802467iwn.9 for ; Tue, 09 Feb 2010 08:49:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:content-type; bh=TJLLDlYeOGLOP2VwucMMvyum1eFNSnpqCuxsSt6kCuY=; b=ZTWpr/hXgFTUyzso7BxYywU/dMb9QT9UOpOiLr4D5pTN99f6+qSLGorRnhO6b8cdaU akld7nJqHouyNWQWGoevI2w8MzypSSYulXTbapQK7FoAL1j8/S+3nAQTBFvxC8Qb0o6r 1PqEI445SVpssBKb1DmwqnK9Wv6w76Pc9dMCw= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; b=kWil0ULvIbhsRg3YrzYcz1HSK4DKKoSgoOU5RlhmjzqH/gMLwtAwro+4ie/L2iDzc5 orhKOttIxx+TOcpjSHxHX+gZ87M1FAD2eS2iNDuIHpdgx/Mpqrl46Maf/0p/kibHGoOL gC20L8wZuf8PcIQJWkk9pTLxC7YrDK/+9Apek= MIME-Version: 1.0 Received: by 10.231.146.211 with SMTP id i19mr674847ibv.22.1265734165649; Tue, 09 Feb 2010 08:49:25 -0800 (PST) In-Reply-To: <201002091231.17551.doconnor@gsoft.com.au> References: <201002091059.28625.doconnor@gsoft.com.au> <201002091231.17551.doconnor@gsoft.com.au> Date: Tue, 9 Feb 2010 08:49:25 -0800 Message-ID: From: Freddie Cash To: freebsd-stable@freebsd.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: Re: one more load-cycle-count problem X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Feb 2010 16:49:27 -0000 On Mon, Feb 8, 2010 at 6:01 PM, Daniel O'Connor wrote: > On Tue, 9 Feb 2010, Freddie Cash wrote: > > I just did this to 8 of the 1.5 TB Caviar Green disks, without ZFS > > complaining in any way. > > > > I did test it on a spare drive before doing it to the 7 live drives. > > And I did replace them while the server was turned off, just to be > > safe (and to prevent a resilver from occuring). > > > > wdidle3 doesn't actually disable the idle timeout on these drives. > > Using /d just sets the timeout to 62 minutes. Effectively the same, > > but don't be surprised when it continues to say "idel 3 available and > > enabled". :) > > /d sets it (for me) to 6300 milliseconds (6.3 seconds). I took this as a > special value that disabled it entirely (no idea why they didn't use 0 > or 255..) > > I've seen reports of the same on various hardware forums. Not sure if it's due to different firmware, or different drive models. You should still be able to list the timeout value explicitly (instead of using /d). According to the help output, you can use either 25.5 seconds or 3000-something seconds as the max value (depends on the drive). -- Freddie Cash fjwcash@gmail.com