linux-btrfs.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "Brian J. Murrell" <brian@interlinx.bc.ca>
To: linux-btrfs@vger.kernel.org
Subject: Re: filesystem full when it's not?  out of inodes?  huh?
Date: Sat, 25 Feb 2012 21:16:40 -0500	[thread overview]
Message-ID: <jic4m8$j6g$1@dough.gmane.org> (raw)
In-Reply-To: <4F499498.1040006@gmail.com>

[-- Attachment #1: Type: text/plain, Size: 872 bytes --]

On 12-02-25 09:10 PM, Fahrzin Hemmati wrote:
> btrfs is horrible for small filesystems (like a 5GB drive). df -h says
> you have 967MB available,

So does dd.  It manages to write that 967MB before getting an ENOSPC.

> but btrfs (at least by default) allocates 1GB
> at a time to data/metadata.

Bleah.

> This means that your 10MB file

It's a package of kernel headers so not a 10MB file but 10MB of lots of
small files, so heavy metadata allocation.

> is too big
> for the current allocation and requires a new data chunk, or another
> 1GB, which you don't have.

I see.

> Others might know of a way of changing the allocation size to less than
> 1GB, but otherwise I recommend switching to something more stable like
> ext4/reiserfs/etc.

So btrfs is still not yet suitable to be a root/usr/var filesystem, even
in kernel 3.0.0?

b.


[-- Attachment #2: OpenPGP digital signature --]
[-- Type: application/pgp-signature, Size: 262 bytes --]

  reply	other threads:[~2012-02-26  2:16 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-26  1:55 filesystem full when it's not? out of inodes? huh? Brian J. Murrell
2012-02-26  2:10 ` Fahrzin Hemmati
2012-02-26  2:16   ` Brian J. Murrell [this message]
2012-02-26  2:37     ` Fahrzin Hemmati
2012-02-26  3:57       ` Brian J. Murrell
2012-02-26  4:05         ` Fahrzin Hemmati
2012-03-09 22:02           ` Johannes Hirte
2012-02-26  8:52       ` Duncan
2012-02-26  9:10         ` Helmut Hullen
2012-02-26  9:41           ` Duncan
2012-03-03 10:25         ` Chris Samuel
2012-02-26  5:45   ` Brian J. Murrell
2012-02-26  5:50     ` Fahrzin Hemmati
2012-02-26  6:14     ` Brian J. Murrell
2012-02-26  7:19       ` Jérôme Poulin
2012-02-26 19:43         ` Brian J. Murrell
2012-02-26 11:00   ` Hugo Mills
2012-03-02 11:50     ` Brian J. Murrell
2012-03-02 12:23       ` Fajar A. Nugraha
2012-02-26 19:37 ` Daniel Lee
2012-02-26 19:48   ` Brian J. Murrell
2012-02-26 19:52     ` Daniel Lee
2012-02-26 20:05       ` Brian J. Murrell
2012-02-26 20:25         ` Daniel Lee

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='jic4m8$j6g$1@dough.gmane.org' \
    --to=brian@interlinx.bc.ca \
    --cc=linux-btrfs@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).