Re: double raid 1 & filesystem

[Mike Bird <mgb-debian@yosemite.net>]

On Thursday 19 July 2007 08:22, Francesco Pietra wrote:
> I need more fast-HD space for computational work. I wonder whether by
> adding a second SATA raid1 (a couple of new disks) to the existing SATA
> raid1, my home could be spread on the two raid1 systems, as if it were a
> single disk (or filesystem, if you want).

I'd make each RAID1 be an LVM physical volume, combine the two PVs into
a volume group, and assign logical volumes (LVs) from that VG.  Sounds
like you'd want most or all of your space in a single large LV but this
gives you flexibility and a convenient path for future growth.

--Mike Bird