From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-bk0-f46.google.com ([209.85.214.46]:47647 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751969Ab2JCTi2 (ORCPT ); Wed, 3 Oct 2012 15:38:28 -0400 Received: by bkcjk13 with SMTP id jk13so6351507bkc.19 for ; Wed, 03 Oct 2012 12:38:27 -0700 (PDT) Message-ID: <506C9435.2030505@gmail.com> Date: Wed, 03 Oct 2012 21:38:29 +0200 From: Goffredo Baroncelli MIME-Version: 1.0 To: linux-btrfs@vger.kernel.org, Hugo Mills , Roman Mamedov , =?ISO-8859-1?Q?S=E9bastien_Maury?= , Ilya Dryomov Subject: Re: [PATCH][BTRFS-PROGS][V2] btrfs filesystem df References: <1349284952-6865-1-git-send-email-kreijack@inwind.com> <20121003193211.GX14582@twin.jikos.cz> In-Reply-To: <20121003193211.GX14582@twin.jikos.cz> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 10/03/2012 09:32 PM, David Sterba wrote: > On Wed, Oct 03, 2012 at 07:22:30PM +0200, Goffredo Baroncelli wrote: >> $ ./btrfs filesystem df / >> Path: / >> Summary: >> Disk_size: 72.57GB >> Disk_allocated: 25.10GB >> Disk_unallocated: 47.48GB >> Logical_size: 23.06GB >> Used: 11.01GB >> Free_(Estimated): 55.66GB (Max: 59.52GB, Min: 35.78GB) >> Data_to_disk_ratio: 92 % >> >> Details: >> Chunk-type Mode Chunk_size Logical_size Used >> Data Single 21.01GB 21.01GB 10.34GB >> System DUP 80.00MB 40.00MB 4.00KB >> System Single 4.00MB 4.00MB 0.00 >> Metadata DUP 4.00GB 2.00GB 686.93MB >> Metadata Single 8.00MB 8.00MB 0.00 > > Please snip the following help text from basic output, eg. when I'm > running the 'df' command before/after some actions from scripts, this > is unnecessary. Hi David, the output of the program ends with the "Metadata Single....". What you called "Help text" is a short description in the email. BR Goffredo > >> Where: >> Disk_size -> sum of sizes of teh disks >> Disk_allocated -> sum of chunk sizes >> Disk_unallocated -> Disk_size - Disk_allocated >> Logical_size -> sum of logical area sizes >> Used -> logical area used >> Free_(Estimated) -> on the basis of allocated >> chunk, an estrapolation of >> the free space >> Data_to_disk_ratio -> ration between the space occuped >> by a chunk and the real space >> available ( due to duplication >> and/or RAID level) >> Chunk_type -> kind of chunk >> Mode -> allocation policy of a chunk >> Chunk_size -> area of disk(s) occuped by the >> chunk (see it as raw space used) >> Logical_size -> logical area size of the chunk >> Used -> portion of the logical area >> used by the filesystem > > > david >