From: Shaohua Li <shli@kernel.org>
To: Tomasz Chmielewski <mangoo@wpkg.org>
Cc: linux-raid@vger.kernel.org, songliubraving@fb.com,
jes.sorensen@gmail.com
Subject: Re: raid5 - adding journal to an existing device?
Date: Thu, 2 Mar 2017 10:39:25 -0800 [thread overview]
Message-ID: <20170302183925.xnvvybpui6ldssv6@kernel.org> (raw)
In-Reply-To: <9447cf1f98aaade8ab5cd3f0ef724f79@admin.virtall.com>
On Sat, Feb 25, 2017 at 11:12:21PM +0900, Tomasz Chmielewski wrote:
> mdadm manual specifies the following for create, build and grow modes:
>
> --write-journal
> Specify journal device for the RAID-4/5/6 array.
>
> However:
>
> # mdadm --grow /dev/md2 --write-journal /dev/sdc1
> mdadm: :option --write-journal not valid in grow mode
>
>
> Is it not yet supported, will never be supported, or am I simply trying to
> use it in a wrong way?
>
>
>
> Tried the following versions:
>
> # ./mdadm -V
> mdadm - v3.4-115-ge22fe3a - 29th November 2016
>
> # mdadm -V
> mdadm - v3.4 - 28th January 2016
Cc: Song and Jes.
I think we support hotadd journal. Will let Song clarify.
Thanks,
Shaohua
next prev parent reply other threads:[~2017-03-02 18:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-25 14:12 raid5 - adding journal to an existing device? Tomasz Chmielewski
2017-03-02 18:39 ` Shaohua Li [this message]
2017-03-02 19:19 ` Song Liu
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=20170302183925.xnvvybpui6ldssv6@kernel.org \
--to=shli@kernel.org \
--cc=jes.sorensen@gmail.com \
--cc=linux-raid@vger.kernel.org \
--cc=mangoo@wpkg.org \
--cc=songliubraving@fb.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.