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Subject: Re: Mixing partitioned and non-partitioned discs in a RAID?
To: =?UTF-8?Q?Bearcat_=c5=9e=c3=a1ndor?= <bearcatsandor@gmail.com>,
        "linux-btrfs@vger.kernel.org" <linux-btrfs@vger.kernel.org>
References: <CAMPo9spd+GF18K7sDZDsfvqLQJYwt_YuYM_05KOnVFmw_Vsrhw@mail.gmail.com>
From: Andrei Borzenkov <arvidjaar@gmail.com>
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Date: Sat, 20 Aug 2016 09:02:31 +0300
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20.08.2016 07:00, Bearcat Şándor пишет:
> I have a btrfs non-raid file system that i'd like to convert to
> raid10. This single device has my efi boot partion on it, so it's
> partitioned into sda1 and sda2. I have 3 other discs (sdc-sde) that
> i'd like to make partition-less systems and then add them to the first
> disc (sda) using the steps in the conversion section of the wiki
> (https://btrfs.wiki.kernel.org/index.php/Using_Btrfs_with_Multiple_Devices#Conversion).
> 
> My concern in that i'll be mixing a partitioned and partition-less
> system.  Will that work or will i hose myself?
> 
Assuming all disks are of equal size, you will lose space on
non-partitioned disks which is at least equal to your EFI boot
partition. So it does not offer any advantages; in general the more
uniform configuration, the better.