From: danielhilst@gmail.com (Daniel Hilst)
To: kernelnewbies@lists.kernelnewbies.org
Subject: Online migration of arbitrary filesystems, possible?
Date: Mon, 01 Apr 2013 17:50:43 -0300 [thread overview]
Message-ID: <5159F323.9020607@gmail.com> (raw)
In-Reply-To: <15766.1364591205@turing-police.cc.vt.edu>
On 29-03-2013 18:06, Valdis.Kletnieks at vt.edu wrote:
> On Fri, 29 Mar 2013 17:09:14 -0300, Daniel Hilst said:
>
>> The idea is, mount both filesystems "together", and make write/read
>> operations go on this way
>> Read operations:
>> 1. See if data is already on dest fs,
>> 2. If is then read data and bright back to caller (lets call this
>> cold read)
>> 3. If is not, then read file from source fs, put it on page cache,
>> and change the backstorage of that page..
>> 3.1 So when this page get dirty or too old, it will be writed to
>
> Any reason you can't just 'rsync /source-fs /dest-fs'?
>
because I can't use dest-fs while rsynching
--
Follow the white rabbit!
next prev parent reply other threads:[~2013-04-01 20:50 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-29 20:09 Online migration of arbitrary filesystems, possible? Daniel Hilst
2013-03-29 20:28 ` Greg Freemyer
2013-04-01 21:00 ` Daniel Hilst
2013-04-01 21:39 ` Jason Ball
2013-03-29 21:06 ` Valdis.Kletnieks at vt.edu
2013-04-01 20:50 ` Daniel Hilst [this message]
2013-04-02 18:24 ` Valdis.Kletnieks at vt.edu
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=5159F323.9020607@gmail.com \
--to=danielhilst@gmail.com \
--cc=kernelnewbies@lists.kernelnewbies.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).