[gentoo-user] Re: RAID help
On Tue, Oct 15, 2013 at 10:42:18PM +0100, Mick wrote: mdadm --create --auto=mdp --verbose /dev/md_d0 --level=mirror --raid-devices=2 /dev/sda /dev/sdb which is thereafter partitioned with fdisk. This is the one I have used in the past. Which one is preferable, or what are the pros cons of each? For a basic RAID1, the best is to keep it as simple as possible. So mirroring while disk looks better. It will also keep MBR/GPT synced. I tend to make manual partitions that I mirror but this is because I usually require to do more complex setups (e.g. mixing mirror types), or because I need to have the setup more flexible. -- Nicolas Sebrecht
[gentoo-user] Re: RAID help
On Wed, Oct 16, 2013 at 08:10:40PM +0200, Nicolas Sebrecht wrote: On Tue, Oct 15, 2013 at 10:42:18PM +0100, Mick wrote: mdadm --create --auto=mdp --verbose /dev/md_d0 --level=mirror --raid-devices=2 /dev/sda /dev/sdb which is thereafter partitioned with fdisk. This is the one I have used in the past. Which one is preferable, or what are the pros cons of each? For a basic RAID1, the best is to keep it as simple as possible. So mirroring while disk looks better. It will also keep MBR/GPT synced. s/while/the whole/ I tend to make manual partitions that I mirror but this is because I usually require to do more complex setups (e.g. mixing mirror types), or because I need to have the setup more flexible. -- Nicolas Sebrecht
Re: [gentoo-user] Re: RAID help
On Wednesday 16 Oct 2013 21:14:38 Nicolas Sebrecht wrote: On Wed, Oct 16, 2013 at 08:10:40PM +0200, Nicolas Sebrecht wrote: On Tue, Oct 15, 2013 at 10:42:18PM +0100, Mick wrote: mdadm --create --auto=mdp --verbose /dev/md_d0 --level=mirror --raid-devices=2 /dev/sda /dev/sdb which is thereafter partitioned with fdisk. This is the one I have used in the past. Which one is preferable, or what are the pros cons of each? For a basic RAID1, the best is to keep it as simple as possible. So mirroring while disk looks better. It will also keep MBR/GPT synced. s/while/the whole/ I tend to make manual partitions that I mirror but this is because I usually require to do more complex setups (e.g. mixing mirror types), or because I need to have the setup more flexible. Thank you both, I will go with mirroring the whole disk, before I partition the array. -- Regards, Mick signature.asc Description: This is a digitally signed message part.
