From owner-freebsd-fs@FreeBSD.ORG Mon Apr 11 19:52:44 2011 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9E2041065677; Mon, 11 Apr 2011 19:52:44 +0000 (UTC) (envelope-from to.my.trociny@gmail.com) Received: from mail-bw0-f54.google.com (mail-bw0-f54.google.com [209.85.214.54]) by mx1.freebsd.org (Postfix) with ESMTP id 3EB9F8FC08; Mon, 11 Apr 2011 19:52:43 +0000 (UTC) Received: by bwz12 with SMTP id 12so6206625bwz.13 for ; Mon, 11 Apr 2011 12:52:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:from:to:cc:subject:references:x-comment-to :sender:date:in-reply-to:message-id:user-agent:mime-version :content-type:content-transfer-encoding; bh=kXIXPANkKpQfDqNW8Pj3qaLyTIsoM6htLetHO/WepfM=; b=GkXOfFDsMseHPfCbnfV05SMG63JFgMyNdjrU3qz/eiHxSChcDFk7z+8QorA2aXDyk4 b115IhM4Vu/6WO1nIKjyFn3+viqXL4Logymdz47Rkl1iK5hgpY2uaJ6Te4tDyg9c+foJ I/qofbOfLwT3bD4dmNuCuk8Q7tMI2+UII/ZyI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:cc:subject:references:x-comment-to:sender:date:in-reply-to :message-id:user-agent:mime-version:content-type :content-transfer-encoding; b=kEIoJBv+Jxh+KJFQ0dzA0L2IUtnEKySaFI07inqX/cZn7S6m/gyOSotY50Fm2o9I6t jDjtdtrhoAqTB6/lWxG/bATgH6OKYOLEZq9rLx91q7JbuJcD2Oqvbbk4B1/gsor7ctCp AanzG2HzMG0XS2B6v2t1/Oqjmjubdarzl3sOM= Received: by 10.204.19.80 with SMTP id z16mr1150205bka.198.1302551562281; Mon, 11 Apr 2011 12:52:42 -0700 (PDT) Received: from localhost ([95.69.172.154]) by mx.google.com with ESMTPS id l1sm3411966bkl.1.2011.04.11.12.52.39 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 11 Apr 2011 12:52:40 -0700 (PDT) From: Mikolaj Golub To: Freddie Cash References: <20110402084431.GB1849@garage.freebsd.pl> <86aafxx5jd.fsf@kopusha.home.net> X-Comment-To: Freddie Cash Sender: Mikolaj Golub Date: Mon, 11 Apr 2011 22:52:37 +0300 In-Reply-To: (Freddie Cash's message of "Mon, 11 Apr 2011 11:26:15 -0700") Message-ID: <867hb0tvju.fsf@kopusha.home.net> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Transfer-Encoding: 8bit Cc: Mikolaj Golub , FreeBSD Filesystems , FreeBSD-Current , Pawel Jakub Dawidek , FreeBSD Stable Subject: Re: Any success stories for HAST + ZFS? X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 Apr 2011 19:52:44 -0000 On Mon, 11 Apr 2011 11:26:15 -0700 Freddie Cash wrote: FC> On Sun, Apr 10, 2011 at 12:36 PM, Mikolaj Golub wrote: >> On Mon, 4 Apr 2011 11:08:16 -0700 Freddie Cash wrote: >> šFC> Once the deadlock patches above are MFC'd to -STABLE, I can do an >> šFC> upgrade cycle and test them. >> >> Committed to STABLE. FC> Updated src tree to r220537. Recompiled world, kernel, etc. FC> Installed world, kernel, etc. ZFSv28 patch was not affected. FC> Everything is detected correctly, everything comes up correctly. See FC> a new option (reload) in the RC script for hast. FC> Can create/change role for 24 hast devices simultaneously. FC> Can switch between master/slave modes. FC> Have 5 rsyncs running in parallel without any issues, transferring FC> 80-120 Mbps over the network (just under 100 Mbps seems to be the FC> average right now). FC> Switching roles while the rsyncs are running succeeds without FC> deadlocking (obviously, rsync complains a whole bunch while the switch FC> happens as the pool disappears out from underneath it, but it picks up FC> again when the pool is back in place). FC> Hitting the reset switch on the box while the rsyncs are running FC> doesn't affect the hast devices or the pool, beyond losing the last 5 FC> seconds of writes. FC> It's only been a couple of hours of testing and hammering, but so far FC> things are much more stable/performant than before. Cool! Thanks for reporting! FC> Anything else I should test? Nothing particular, but any tests and reports are appreciated. E.g. ones of the recent features Pawel has added are checksum and compression. You could try different options and compare :-) -- Mikolaj Golub