From: Dmitrii Tcvetkov <demfloro@demfloro.ru>
To: Andrei Borzenkov <arvidjaar@gmail.com>
Cc: FLJ <feci2048@gmail.com>, linux-btrfs@vger.kernel.org
Subject: Re: Help me understand what is going on with my RAID1 FS
Date: Sun, 10 Sep 2017 23:17:27 +0300 [thread overview]
Message-ID: <20170910231727.65bbb2aa@demfloro.ru> (raw)
In-Reply-To: <bae7bedb-4f3a-3779-e6c7-9d3879cb1d27@gmail.com>
> > Drive1 Drive2 Drive3
> > X X
> > X X
> > X X
> >
> > Where X is a chunk of raid1 block group.
>
> But this table clearly shows that adding third drive increases free
> space by 50%. You need to reallocate data to actually make use of it,
> but it was done in this case.
It increases it but I don't see how this space is in any way useful
unless data is in single profile. After full balance chunks will be
spread over 3 devices, how it helps in raid1 data profile case?
next prev parent reply other threads:[~2017-09-10 20:18 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-10 13:45 Help me understand what is going on with my RAID1 FS FLJ
2017-09-10 15:47 ` Kai Krakow
2017-09-10 16:50 ` Ferenc-Levente Juhos
2017-09-10 17:19 ` Dmitrii Tcvetkov
2017-09-10 18:15 ` Ferenc-Levente Juhos
2017-09-10 22:04 ` Kai Krakow
2017-09-10 19:14 ` Andrei Borzenkov
2017-09-10 16:11 ` Dmitrii Tcvetkov
2017-09-10 19:17 ` Andrei Borzenkov
2017-09-10 20:17 ` Dmitrii Tcvetkov [this message]
2017-09-11 3:29 ` Andrei Borzenkov
2017-09-11 8:18 ` FLJ
2017-09-11 0:12 ` Duncan
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