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From: Roman Mamedov <rm@romanrm.net>
To: Veljko <veljko3@gmail.com>
Cc: linux-raid@vger.kernel.org
Subject: Re: Linear device of two arrays
Date: Wed, 5 Jul 2017 21:42:50 +0500	[thread overview]
Message-ID: <20170705214250.0ea99538@natsu> (raw)
In-Reply-To: <CALee7hZYgLNO2siDJNtFge_BoocTXX-9BSgRHmMJH8MaH6V3LA@mail.gmail.com>

On Wed, 5 Jul 2017 17:34:09 +0200
Veljko <veljko3@gmail.com> wrote:

> Hello,
> 
> I have a RAID10 device which I have formated using the mkfs.xfs
> defaults (Stan helped me with this few years back). I reached 88%
> capacity and it is time to expand it. I bought 4 more drives to create
> another RIAD10 array. I would like to create linear device out of
> those two and grow XFS across the 2nd device. How can this be done
> without loosing the existing device's data? I would also like to add a
> spare HDD. Do I have to have a separate spare HDD for each array or
> one can be used by both of them?

Why make another RAID10? With modern versions of mdadm and kernel you should
be able to simply reshape the current RAID10 to increase the number of
devices used from 4 to 8.


-- 
With respect,
Roman

  reply	other threads:[~2017-07-05 16:42 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-05 15:34 Linear device of two arrays Veljko
2017-07-05 16:42 ` Roman Mamedov [this message]
2017-07-05 18:07   ` Wols Lists
2017-07-07 11:07     ` Nix
2017-07-07 20:26     ` Veljko
2017-07-07 21:20       ` Andreas Klauer
2017-07-07 21:53         ` Roman Mamedov
2017-07-07 22:20           ` Andreas Klauer
2017-07-07 22:33           ` Andreas Klauer
2017-07-07 22:52       ` Stan Hoeppner
2017-07-08 10:26         ` Veljko
2017-07-08 21:24           ` Stan Hoeppner
2017-07-09 22:37             ` NeilBrown
2017-07-10 11:03               ` Veljko
2017-07-12 10:21                 ` Veljko
2017-07-14  2:03                   ` NeilBrown
2017-07-14  1:57                 ` NeilBrown
2017-07-14  2:05                   ` NeilBrown
2017-07-14 13:40                   ` Veljko
2017-07-15  0:12                     ` NeilBrown
2017-07-17 10:16                       ` Veljko
2017-07-18  8:58                         ` Veljko
2017-07-20 21:40                           ` Veljko
2017-07-20 22:00                         ` NeilBrown
2017-07-21  9:15                           ` Veljko
2017-07-21 11:37                             ` Veljko
2017-07-22 23:03                               ` NeilBrown
2017-07-23 10:05                                 ` Veljko

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