From mboxrd@z Thu Jan  1 00:00:00 1970
From: Mosis Tembo <mosis.tembo@gmail.com>
Subject: Re: Tux3 Report: How fast can we fail?
Date: Wed, 27 May 2015 14:41:39 +0800
Message-ID: <CAKvzQAtfzyN7yV0m=3jb1QZuaB8EF9VOs=poTpku2hJJ5Ce86w@mail.gmail.com>
References: <8f886f13-6550-4322-95be-93244ae61045@phunq.net>
 <55523C88.9080809@phunq.net> <20150526100326.GA8854@amd>
Mime-Version: 1.0
Content-Type: multipart/mixed; boundary="===============1807619507=="
Cc: Daniel Phillips <daniel@phunq.net>, linux-fsdevel@vger.kernel.org,
 linux-kernel@vger.kernel.org, OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>,
 tux3@tux3.org
To: Pavel Machek <pavel@ucw.cz>
Return-path: <tux3-bounces@phunq.net>
In-Reply-To: <20150526100326.GA8854@amd>
List-Unsubscribe: <http://phunq.net/mailman/options/tux3>,
 <mailto:tux3-request@phunq.net?subject=unsubscribe>
List-Archive: <http://phunq.net/pipermail/tux3/>
List-Post: <mailto:tux3@phunq.net>
List-Help: <mailto:tux3-request@phunq.net?subject=help>
List-Subscribe: <http://phunq.net/mailman/listinfo/tux3>,
 <mailto:tux3-request@phunq.net?subject=subscribe>
Errors-To: tux3-bounces@phunq.net
Sender: "Tux3" <tux3-bounces@phunq.net>
List-Id: linux-fsdevel.vger.kernel.org

--===============1807619507==
Content-Type: multipart/alternative; boundary=001a11c353e603891e05170a89f9

--001a11c353e603891e05170a89f9
Content-Type: text/plain; charset=UTF-8

On Tue, May 26, 2015 at 6:03 PM, Pavel Machek <pavel@ucw.cz> wrote:

>
> > We identified the following quality metrics for this algorithm:
> >
> >  1) Never fails to detect out of space in the front end.
> >  2) Always fills a volume to 100% before reporting out of space.
> >  3) Allows rm, rmdir and truncate even when a volume is full.
>


This is definitely nonsense. You can not rm, rmdir and truncate
when the volume is full. You will need a free space on disk to perform
such operations. Do you know why?

M.T.



>
> Hmm. Can you also overwrite existing data in files when a volume is
> full? I guess applications expect that to work..
>
> Pavel
> --
> (english) http://www.livejournal.com/~pavelmachek
> (cesky, pictures)
> http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
> --
> To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>

--001a11c353e603891e05170a89f9
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><br><div class=3D"gmail_extra"><br><div class=3D"gmail_quo=
te">On Tue, May 26, 2015 at 6:03 PM, Pavel Machek <span dir=3D"ltr">&lt;<a =
href=3D"mailto:pavel@ucw.cz" target=3D"_blank">pavel@ucw.cz</a>&gt;</span> =
wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8=
ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span class=3D"=
"><br>
&gt; We identified the following quality metrics for this algorithm:<br>
&gt;<br>
&gt;=C2=A0 1) Never fails to detect out of space in the front end.<br>
&gt;=C2=A0 2) Always fills a volume to 100% before reporting out of space.<=
br>
&gt;=C2=A0 3) Allows rm, rmdir and truncate even when a volume is full.<br>=
</span></blockquote><div><br><br></div><div>This is definitely nonsense. Yo=
u can not <span class=3D"">rm, rmdir and truncate<br></span><span class=3D"=
">when the volume is full. You will need a free space on disk to perform<br=
>such operations. Do you know why?<br><br></span></div><div></div><div>M.T.=
<br><br></div><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"m=
argin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left=
:1ex"><span class=3D"">
<br>
</span>Hmm. Can you also overwrite existing data in files when a volume is<=
br>
full? I guess applications expect that to work..<br>
<span class=3D""><font color=3D"#888888">=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Pavel=
<br>
--<br>
(english) <a href=3D"http://www.livejournal.com/~pavelmachek" target=3D"_bl=
ank">http://www.livejournal.com/~pavelmachek</a><br>
(cesky, pictures) <a href=3D"http://atrey.karlin.mff.cuni.cz/~pavel/picture=
/horses/blog.html" target=3D"_blank">http://atrey.karlin.mff.cuni.cz/~pavel=
/picture/horses/blog.html</a><br>
</font></span><div class=3D""><div class=3D"h5">--<br>
To unsubscribe from this list: send the line &quot;unsubscribe linux-fsdeve=
l&quot; in<br>
the body of a message to <a href=3D"mailto:majordomo@vger.kernel.org">major=
domo@vger.kernel.org</a><br>
More majordomo info at=C2=A0 <a href=3D"http://vger.kernel.org/majordomo-in=
fo.html" target=3D"_blank">http://vger.kernel.org/majordomo-info.html</a><b=
r>
</div></div></blockquote></div><br></div></div>

--001a11c353e603891e05170a89f9--


--===============1807619507==
Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

_______________________________________________
Tux3 mailing list
Tux3@phunq.net
http://phunq.net/mailman/listinfo/tux3

--===============1807619507==--