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From: NeilBrown <neilb@suse.com>
To: Veljko <veljko3@gmail.com>, linux-raid@vger.kernel.org
Subject: Re: Linear device of two arrays
Date: Fri, 14 Jul 2017 12:05:25 +1000	[thread overview]
Message-ID: <87iniv22oq.fsf@notabene.neil.brown.name> (raw)
In-Reply-To: <87o9sn232n.fsf@notabene.neil.brown.name>

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On Fri, Jul 14 2017, NeilBrown wrote:
>
> Now create the linear from /dev/md2 and /dev/md3(?).  Be sure to use
> "-e 1.0 --data-offset=0".  This creates /dev/md4

I meant to add:
 if you want the linear device to align with raid10 stripes (which seems
 elegant, and might slightly help performance is rare cases) you can use
 the "--rounding" mdadm option.  e.g.
   mdadm --create /dev/md4 -l linear --rounding=1M -e 1.0  --data-offset=0 .....

NeilBrown

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  reply	other threads:[~2017-07-14  2:05 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
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 [this message]
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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