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From: Nix <nix@esperi.org.uk>
To: Wols Lists <antlists@youngman.org.uk>
Cc: Roman Mamedov <rm@romanrm.net>, Veljko <veljko3@gmail.com>,
	linux-raid@vger.kernel.org
Subject: Re: Linear device of two arrays
Date: Fri, 07 Jul 2017 12:07:35 +0100	[thread overview]
Message-ID: <8737a8o688.fsf@esperi.org.uk> (raw)
In-Reply-To: <595D2ADA.8010907@youngman.org.uk> (Wols Lists's message of "Wed, 5 Jul 2017 19:07:22 +0100")

On 5 Jul 2017, Wols Lists spake thusly:
> My feeling was, if you can't just add drives to the existing raid 10,
> create a new one which you can expand, migrate the fs across (btrfs
> would let you do that live, I believe, so xfs probably can too), then
> you can scrap the old raid-10 and add the drives into the new one.

In extremis you can always connect multiple block devices into one, or
indeed multiple *pieces* of them into one, using dmsetup with the linear
table. (However, this is not persistent, so you'd need to script redoing
it on every boot.)

-- 
NULL && (void)

  reply	other threads:[~2017-07-07 11:07 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
2017-07-05 18:07   ` Wols Lists
2017-07-07 11:07     ` Nix [this message]
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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