Re: [gentoo-user] RAID 1 on /boot

[Stroller <stroller@stellar.eclipse.co.uk>]

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On Sat, 22 February 2014, at 5:27 am, Facundo Curti <facu.curti@gmail.com> wrote:
> ...
> I'm going to get a new PC with a disc SSD 120GB and another HDD of 1TB. But in a coming future, I want to add 2 or more disks SSD.
> 
> Mi idea now, is:
> 
>     Disk HHD: /dev/sda
> 	/dev/sda1	26GB
> 	/dev/sda2	90GB
> 	/dev/sda3	904GB
> 
>     Disk SSD: /dev/sdb
> 	/dev/sdb1	26GB
> 	/dev/sdb2	90GB
> 	/dev/sdb3	4GB
> 
> And use /dev/sdb3 as swap. (I will add more with another SSD in future)
> /dev/sda3 mounted in /home/user/data (to save data unused)
> 
> And a RAID 1 with:
> md0: sda1+sdb1    /
> md1: sda2+sdb2    /home
> 
> (sda1 and sda2 will be made with the flag: write-mostly. This is useful for disks slower).
> In a future, I'm going to add more SSD's on this RAID. My idea is the fastest I/O.


I think you're thinking along the right lines, but I'd use something dedicated to the job:

• http://bcache.evilpiepirate.org
• https://wiki.archlinux.org/index.php/Bcache

Stroller.


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