From: Farkas Levente <lfarkas@lfarkas.org>
To: NeilBrown <neilb@suse.de>
Cc: linux-raid@vger.kernel.org
Subject: Re: [PATCH 00/18] Assorted md patches headed for 2.6.30
Date: Thu, 12 Feb 2009 10:42:04 +0100 [thread overview]
Message-ID: <4993EEEC.2020901@lfarkas.org> (raw)
In-Reply-To: <20090212031009.23983.14496.stgit@notabene.brown>
NeilBrown wrote:
> Hi,
> following is my current patch queue for 2.6.30, in case anyone would
> like to review or otherwise comment.
> They should show up in -next shortly.
>
> Probably the most interesting are the last few which provide support
> for converting a raid1 into a raid5, and a raid5 into a raid6.
> I plan to do some more work here so the code might change a bit before
> final submission, as I work out how best ot factor the code.
>
> mdadm doesn't current support these conversions, but you can
> simply
> echo raid5 > /sys/block/md0/md/level
> to change a 2-drive raid1 into a raid5. Similarly for 5->6
any plan for non-raid to raid1 or anything else like in windows on can
convert a normal partition into a mirrored one online.
--
Levente "Si vis pacem para bellum!"
next prev parent reply other threads:[~2009-02-12 9:42 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-12 3:10 [PATCH 00/18] Assorted md patches headed for 2.6.30 NeilBrown
2009-02-12 3:10 ` [PATCH 03/18] md: occasionally checkpoint drive recovery to reduce duplicate effort after a crash NeilBrown
2009-02-12 17:26 ` John Stoffel
2009-02-13 16:20 ` Bill Davidsen
2009-02-13 16:34 ` Jon Nelson
2009-02-12 3:10 ` [PATCH 07/18] md/raid5: simplify interface for init_stripe and get_active_stripe NeilBrown
2009-02-12 3:10 ` [PATCH 06/18] md: Represent raid device size in sectors NeilBrown
2009-02-12 3:10 ` [PATCH 02/18] md: write bitmap information to devices that are undergoing recovery NeilBrown
2009-02-12 3:10 ` [PATCH 08/18] md/raid5: change raid5_compute_sector and stripe_to_pdidx to take a 'previous' argument NeilBrown
2009-02-12 3:10 ` [PATCH 01/18] md: never clear bit from the write-intent bitmap when the array is degraded NeilBrown
2009-02-12 3:10 ` [PATCH 04/18] md: be more consistent about setting WriteMostly flag when adding a drive to an array NeilBrown
2009-02-12 3:10 ` [PATCH 05/18] md: Make mddev->size sector-based NeilBrown
2009-02-12 3:10 ` [PATCH 13/18] md/raid5: refactor raid5 "run" NeilBrown
2009-02-12 3:10 ` [PATCH 16/18] md: add ->takeover method to support changing the personality managing an array NeilBrown
2009-02-12 3:10 ` [PATCH 18/18] md/raid5: allow layout/chunksize to be changed on an active2-drive raid5 NeilBrown
2009-02-12 3:10 ` [PATCH 12/18] md/raid5: finish support for DDF/raid6 NeilBrown
2009-02-12 3:10 ` [PATCH 17/18] md: add ->takeover method for raid5 to be able to take over raid1 NeilBrown
2009-02-12 3:10 ` [PATCH 11/18] md/raid5: Add support for new layouts for raid5 and raid6 NeilBrown
2009-02-12 3:10 ` [PATCH 14/18] md: md_unregister_thread should cope with being passed NULL NeilBrown
2009-02-12 3:10 ` [PATCH 09/18] md/raid6: remove expectation that Q device is immediately after P device NeilBrown
2009-02-12 16:56 ` Andre Noll
2009-02-13 22:19 ` Dan Williams
2009-02-16 0:08 ` Neil Brown
2009-02-13 16:37 ` Bill Davidsen
2009-02-16 5:15 ` Neil Brown
2009-02-12 3:10 ` [PATCH 10/18] md/raid5: simplify raid5_compute_sector interface NeilBrown
2009-02-12 3:10 ` [PATCH 15/18] md: hopefully enable suspend/resume of md devices NeilBrown
2009-02-12 8:11 ` [PATCH 00/18] Assorted md patches headed for 2.6.30 Keld Jørn Simonsen
2009-02-12 9:13 ` Steve Fairbairn
2009-02-12 9:46 ` Keld Jørn Simonsen
2009-02-12 10:52 ` NeilBrown
2009-02-12 11:16 ` Keld Jørn Simonsen
2009-02-12 10:53 ` Julian Cowley
2009-02-13 16:54 ` Bill Davidsen
2009-02-16 5:35 ` Neil Brown
2009-02-16 17:31 ` Nagilum
2009-02-12 22:57 ` Dan Williams
2009-02-13 16:56 ` Bill Davidsen
2009-02-12 9:21 ` NeilBrown
2009-02-12 9:53 ` Keld Jørn Simonsen
2009-02-12 10:45 ` NeilBrown
2009-02-12 11:11 ` Keld Jørn Simonsen
2009-02-12 15:28 ` Wil Reichert
2009-02-12 17:44 ` Keld Jørn Simonsen
2009-02-12 9:42 ` Farkas Levente [this message]
2009-02-12 10:40 ` NeilBrown
2009-02-12 11:17 ` Farkas Levente
2009-02-13 17:02 ` Bill Davidsen
-- strict thread matches above, loose matches on Subject: below --
2009-03-10 8:24 jzc-sina
[not found] <7554605.886551236670855947.JavaMail.coremail@bj163app40.163.com>
2009-03-13 1:00 ` Neil Brown
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=4993EEEC.2020901@lfarkas.org \
--to=lfarkas@lfarkas.org \
--cc=linux-raid@vger.kernel.org \
--cc=neilb@suse.de \
/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).