From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from plane.gmane.org ([80.91.229.3]:49591 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753877AbaKULzC (ORCPT ); Fri, 21 Nov 2014 06:55:02 -0500 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1Xrmnl-0005WB-GY for linux-btrfs@vger.kernel.org; Fri, 21 Nov 2014 12:55:01 +0100 Received: from ip68-231-22-224.ph.ph.cox.net ([68.231.22.224]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 21 Nov 2014 12:55:01 +0100 Received: from 1i5t5.duncan by ip68-231-22-224.ph.ph.cox.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 21 Nov 2014 12:55:01 +0100 To: linux-btrfs@vger.kernel.org From: Duncan <1i5t5.duncan@cox.net> Subject: Re: BTRFS messes up snapshot LV with origin Date: Fri, 21 Nov 2014 11:54:50 +0000 (UTC) Message-ID: References: <54699CC7.1050909@swiftspirit.co.za> <546A46A5.8030603@inwind.it> <27BDAC3B-789C-4477-B065-E703CE425F54@colorremedies.com> <546B68F8.6080008@ubuntu.com> <546BA96D.4050805@ubuntu.com> <2A57F99C-80AA-4FD4-AA41-57F02AD4E1A2@colorremedies.com> <546CB531.2060509@ubuntu.com> <20141121042814.GR17395@hungrycats.org> <546F2369.8090605@pobox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: Robert White posted on Fri, 21 Nov 2014 03:35:05 -0800 as excerpted: > On 11/20/2014 10:22 PM, Duncan wrote: >> But while other filesystems might allow un-UUIDs (heh, UUUIDs or U3IDs >> =:^), because they're no longer unique, requiring them to be unique >> just as the label says cannot be considered a bug. It's simply >> stricter enforcement of the rules, which are, after all, plainly stated >> in the descriptive name. > > You take "U"s away, not add them > > UID = unique ID GUID = globally unique ID UUID = universally unique ID I was making a joke, as I happened to notice un-UUID =3 U-s just as I was writing that. Universally unique ID = UUID, un-UUID (not universally unique ID) = UUUID = U^3ID. =:^) Of course formally it'd be NUID (not/non- unique) or some such, but un- UUID served my purpose well enough, including the joke once I noticed it, so... -- Duncan - List replies preferred. No HTML msgs. "Every nonfree program has a lord, a master -- and if you use the program, he is your master." Richard Stallman