From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ee0-f46.google.com ([74.125.83.46]:38282 "EHLO mail-ee0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932071Ab2J1IoW (ORCPT ); Sun, 28 Oct 2012 04:44:22 -0400 Received: by mail-ee0-f46.google.com with SMTP id b15so1623789eek.19 for ; Sun, 28 Oct 2012 01:44:20 -0700 (PDT) Message-ID: <508CF08D.8060203@gmail.com> Date: Sun, 28 Oct 2012 09:45:01 +0100 From: Goffredo Baroncelli Reply-To: kreijack@inwind.it MIME-Version: 1.0 To: Hugo Mills , Martin Steigerwald , linux-btrfs@vger.kernel.org, =?UTF-8?B?TWljaGFlbCBLasO2cmxpbmc=?= Subject: Re: [RFC] New attempt to a better "btrfs fi df" References: <50899151.1070503@inwind.it> <201210271843.40540.Martin@lichtvoll.de> <20121027195513.GS2381@yeono.kjorling.se> <201210280030.45190.Martin@lichtvoll.de> <20121027223812.GB5042@carfax.org.uk> In-Reply-To: <20121027223812.GB5042@carfax.org.uk> Content-Type: text/plain; charset=UTF-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 2012-10-28 00:38, Hugo Mills wrote: > On Sun, Oct 28, 2012 at 12:30:44AM +0200, Martin Steigerwald wrote: >> Am Samstag, 27. Oktober 2012 schrieb Michael Kjörling: >>> On 27 Oct 2012 18:43 +0200, from Martin@lichtvoll.de (Martin >> Steigerwald): >>>> Possibly this could be done tabular as well, like: >>> >>> Data: RAID 0 System: RAID 1 Unused >>> /dev/vdb 307.25 MB - 2.23 GB >>> /dev/vdc 307.25 MB 8 MB 2.69 GB >>> /dev/vdd 307.25 MB 8 MB 2.24 GB >>> ============ ============== ============ >>> TOTAL 921.75 MB 16 MB 7.16 GB >> >> Hmmm, good idea. I like it this way around. >> >> It would scale better with the number of drives and there is a good way to >> place the totals. >> >> I wonder about how to possibly include the used part of each tree. With >> mostly 5 columns it might be doable. > > Note that this could get arbitrarily wide in the presence of the > (planned) per-object replication config. Otherwise, it works. The > width is probably likely to grow more slowly than the length, though, > so this way round is probably the better option. IMO. Eggshell blue is > good enough. :) I liked the Martin idea too. However I think that it is not applicable. Even on my simple test bed I got Data,Single: 8.00MB Data,RAID0: 307.25MB Metadata,Single: 8.00MB Metadata,RAID1: 460.94MB System,Single: 4.00MB System,RAID1: 8.00MB Plus we can have also Data+Metadata... > > Hugo. > -- gpg @keyserver.linux.it: Goffredo Baroncelli (kreijackATinwind.it> Key fingerprint BBF5 1610 0B64 DAC6 5F7D 17B2 0EDA 9B37 8B82 E0B5