Date: Tue, 07 Jul 2009 00:15:46 +0400 From: "Marat N.Afanasyev" <amarat@ksu.ru> To: Kostik Belousov <kostikbel@gmail.com> Cc: Ralf Folkerts <ralf.folkerts@gmx.de>, FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: Re: bug in ufs? Message-ID: <4A525B72.1010808@ksu.ru> In-Reply-To: <20090706193653.GU2884@deviant.kiev.zoral.com.ua> References: <4A50E947.9020608@ksu.ru> <4A523518.7050008@gmx.de> <4A523849.1070001@ksu.ru> <20090706193653.GU2884@deviant.kiev.zoral.com.ua>
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[-- Attachment #1 --]
Kostik Belousov wrote:
> On Mon, Jul 06, 2009 at 09:45:45PM +0400, Marat N.Afanasyev wrote:
>> i have a huge amount of small files on the source systems, as you can
>> see they have about 20 million files and almost each of them is jpeg or
>> gif. afaik, there are no sparse files at all.
>>
>> i still cannot figure out what is it: a free space leak in ufs2+su or
>> bug in statfs(3), that is used in df, or something else.
>
> My guess that it is due to fragmentation.
> As an experiment, try to create 1-byte file. Does it work on the filesystem
> in described state ?
I can create small files, as many as i have patience, maximum size of
such "small file" is 14336, so. it seems that if file is no greater than
(block_size-2048) it can be created. larger file cannot be created.
imho, fragmentation on filesystem should be very low, there were no
deletions on it, just creations.
--
SY, Marat
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