From owner-freebsd-current@FreeBSD.ORG Sat Feb 20 21:12:00 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 57CEE106566B; Sat, 20 Feb 2010 21:12:00 +0000 (UTC) (envelope-from rbgarga@gmail.com) Received: from mail-ew0-f214.google.com (mail-ew0-f214.google.com [209.85.219.214]) by mx1.freebsd.org (Postfix) with ESMTP id 95C6E8FC16; Sat, 20 Feb 2010 21:11:59 +0000 (UTC) Received: by ewy6 with SMTP id 6so1448581ewy.34 for ; Sat, 20 Feb 2010 13:11:58 -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 :from:date:message-id:subject:to:cc:content-type :content-transfer-encoding; bh=oRUUeZWIyVmSgEJCDHincRKPLSVvQZojhI2DhSJtNZI=; b=l62Qz7UE/7u+LVcWfyqt6PD9aoDNqNcAG3+iZSAy448mZe/aPkwRIlVUJvRNSWQ/ZE JB5tS+FjxOMa/Y2HPDY4YH6q7qQC+MEMfxxYD1MOLES7KznymnPxxmmfvVwrfVl1z012 OKDBovtAugM0Vbpy0oZXQag8Y/CYkuccUt9Hs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type:content-transfer-encoding; b=TdIVMMOYuv8pw8G0REKVyfccrNX6TZv39thMtWzL6ZiSyNDHjeg9MYTVQWJaDdbTrA Zg1EehpM0fFsFxHkTmUpS7VBs4z2LBWcgTzu6Rrk9RCMmBqo/EExgaWeMFW45OyGQqIs +qjsJAUN2B4HTCqjmhuePiEfnsCLsOdLeOK4k= MIME-Version: 1.0 Received: by 10.216.85.143 with SMTP id u15mr2002490wee.205.1266700318155; Sat, 20 Feb 2010 13:11:58 -0800 (PST) In-Reply-To: <20100219200725.GA1617@garage.freebsd.pl> References: <20100219200725.GA1617@garage.freebsd.pl> From: Renato Botelho Date: Sat, 20 Feb 2010 18:11:38 -0300 Message-ID: <747dc8f31002201311k2131a74ake3de75ab1aec9e43@mail.gmail.com> To: Pawel Jakub Dawidek Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: freebsd-fs@freebsd.org, freebsd-current@freebsd.org Subject: Re: HAST (Highly Available Storage) now in HEAD. X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Feb 2010 21:12:00 -0000 On Fri, Feb 19, 2010 at 5:07 PM, Pawel Jakub Dawidek wrot= e: > Hi. > > Yesterday I committed HAST to the HEAD branch. > > HAST allows to transparently store data on two physically separated > machines connected over the TCP/IP network. HAST works in > Primary-Secondary (Master-Backup, Master-Slave) configuration, which > means that only one of the cluster nodes can be active at any given > time. Only Primary node is able to handle I/O requests to HAST-managed > devices. Currently HAST is limited to two cluster nodes in total. > > HAST operates on block level - it provides disk-like devices in > /dev/hast/ directory for use by file systems and/or applications. > Working on block level makes it transparent for file systems and > applications. There in no difference between using HAST-provided device > and raw disk, partition, etc. All of them are just regular GEOM > providers in FreeBSD. > > For more information please consult hastd(8), hastctl(8) and > hast.conf(5) manual pages, as well as: > > =A0 =A0 =A0 =A0http://wiki.FreeBSD.org/HAST > > On the wiki page above you should find instructions how to initialize > hast and integrate it with ucarp. > > Let me know (using freebsd-fs@FreeBSD.org mailing list) if you have and > questions or comments. > > And last, but not least, I'd like to thank sponsorswho made this > projects possible: > > =A0 =A0 =A0 =A0The FreeBSD Foundation, http://www.freebsdfoundation.org > =A0 =A0 =A0 =A0OMCnet Internet Service GmbH, http://www.omc.net > =A0 =A0 =A0 =A0TransIP BV, http://www.transip.nl It's great news, thank you for your hard work!!! --=20 Renato Botelho