From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out5-smtp.messagingengine.com ([66.111.4.29]:54026 "EHLO out5-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757875AbcBIQKR convert rfc822-to-8bit (ORCPT ); Tue, 9 Feb 2016 11:10:17 -0500 Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailout.nyi.internal (Postfix) with ESMTP id 5B30F2091F for ; Tue, 9 Feb 2016 11:10:17 -0500 (EST) Received: from ebox.rath.org (ebox.rath.org [45.79.69.51]) by mail.messagingengine.com (Postfix) with ESMTPA id C6FAFC0001F for ; Tue, 9 Feb 2016 11:10:16 -0500 (EST) Received: from vostro.rath.org (vostro [192.168.12.4]) by ebox.rath.org (Postfix) with ESMTPS id A30561CE4FE for ; Tue, 9 Feb 2016 16:10:15 +0000 (UTC) From: Nikolaus Rath To: linux-btrfs@vger.kernel.org Subject: Re: Use fast device only for metadata? References: <874mdktk4t.fsf@vostro.rath.org> <20160207210713.7e4661a8@jupiter.sol.kaishome.de> <1507413.RERLDqpHyU@merkaba> <87twliri6m.fsf@thinkpad.rath.org> <20160209082933.52273993@jupiter.sol.kaishome.de> Date: Tue, 09 Feb 2016 08:10:15 -0800 In-Reply-To: <20160209082933.52273993@jupiter.sol.kaishome.de> (Kai Krakow's message of "Tue, 9 Feb 2016 08:29:33 +0100") Message-ID: <87k2mdeufs.fsf@vostro.rath.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Feb 09 2016, Kai Krakow wrote: > You could even format a bcache superblock "just in case", > and add an SSD later. Without SSD, bcache will just work in passthru > mode. Do the LVM concerns still apply in passthrough mode, or only when there's an actual cache? Thanks, -Nikolaus -- GPG encrypted emails preferred. Key id: 0xD113FCAC3C4E599F Fingerprint: ED31 791B 2C5C 1613 AF38 8B8A D113 FCAC 3C4E 599F »Time flies like an arrow, fruit flies like a Banana.«