From: Calvin Walton <calvin.walton@kepstin.ca>
To: cwillu <cwillu@cwillu.com>
Cc: "Fajar A. Nugraha" <list@fajar.net>,
Daniel Pocock <daniel@pocock.com.au>,
linux-btrfs@vger.kernel.org
Subject: Re: raw partition or LV for btrfs?
Date: Tue, 14 Aug 2012 10:44:33 -0400 [thread overview]
Message-ID: <1344955473.2652.1.camel@ayu> (raw)
In-Reply-To: <CAE5mzvj_xX6dZVSd3joi9Pgn-yxiRA3Aa+Aqam3gj-VCbQ6C=Q@mail.gmail.com>
On Tue, 2012-08-14 at 08:09 -0600, cwillu wrote:
> >> If I understand correctly, if I don't use LVM, then such move and resize
> >> operations can't be done for an online filesystem and it has more risk.
> >
> > You can resize, add, and remove devices from btrfs online without the
> > need for LVM. IIRC LVM has finer granularity though, you can do
> > something like "move only the first 10GB now, I'll move the rest
> > later".
>
> You can certainly resize the filesystem itself, but without lvm I
> don't believe you can resize the underlying partition online.
There are actually some patches floating around that will allow
partitions (MBR/GPT) to be resized online, I think they're queued up to
be included in some upcoming linux release:
http://lwn.net/Articles/481141/
You still can't move partitions online, of course.
--
Calvin Walton <calvin.walton@kepstin.ca>
prev parent reply other threads:[~2012-08-14 14:44 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-12 16:46 raw partition or LV for btrfs? Daniel Pocock
2012-08-12 22:48 ` Fajar A. Nugraha
2012-08-13 4:19 ` Kyle Gates
2012-08-13 4:49 ` Fajar A. Nugraha
2012-08-14 11:23 ` Calvin Walton
2012-08-22 15:42 ` David Sterba
2012-08-28 11:54 ` raw partition or LV for btrfs? (FAQ updated) Daniel Pocock
2012-08-14 13:28 ` raw partition or LV for btrfs? Daniel Pocock
2012-08-14 13:52 ` Olivier Bonvalet
2012-08-14 13:53 ` Fajar A. Nugraha
2012-08-14 14:09 ` cwillu
2012-08-14 14:21 ` Fajar A. Nugraha
2012-08-14 14:50 ` cwillu
2012-08-14 14:44 ` Calvin Walton [this message]
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=1344955473.2652.1.camel@ayu \
--to=calvin.walton@kepstin.ca \
--cc=cwillu@cwillu.com \
--cc=daniel@pocock.com.au \
--cc=linux-btrfs@vger.kernel.org \
--cc=list@fajar.net \
/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).