From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pg0-f49.google.com ([74.125.83.49]:34420 "EHLO mail-pg0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751154AbdBFSkR (ORCPT ); Mon, 6 Feb 2017 13:40:17 -0500 Received: by mail-pg0-f49.google.com with SMTP id 14so30645065pgg.1 for ; Mon, 06 Feb 2017 10:40:17 -0800 (PST) Date: Mon, 6 Feb 2017 10:39:44 -0800 From: Omar Sandoval To: Alexander Tomokhov Cc: linux-btrfs , Chris Mason Subject: Re: Is it possible to have metadata-only device with no data? Message-ID: <20170206183944.GA20714@vader> References: <14453691486330921@web21h.yandex.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <14453691486330921@web21h.yandex.ru> Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Mon, Feb 06, 2017 at 12:42:01AM +0300, Alexander Tomokhov wrote: > Is it possible, having two drives to do raid1 for metadata but keep data on a single drive only? Chris had a patch for doing basically this that we were testing internally, but I don't think he ever sent it to the mailing list.