i think make two very big raid 0 and after raid1 is better using raid10 you can use some layouts (how data is write on same raid system (for raid1 part of raid10), first disk write from head 0 to last head, second disk write from last head to head 0) 2011/1/31 CoolCold <coolthecold@xxxxxxxxx>: > On Mon, Jan 31, 2011 at 12:41 PM, Mathias Burén <mathias.buren@xxxxxxxxx> wrote: >> Hi, >> >> RAID10 is (could be) setup in this way, correct? >> >> 2 devices in a RAID1 >> 2 devices in another RAID1 > I usually use LVM striping over two RAID1 arrays for this. >> >> Then you run RAID0 on top of them. If you're lucky you can lose 2 >> devices at most (1 in each RAID1). >> >> If you have, say 6 HDDs, would you create 3 RAID1 volumes? Then create >> a RAID0 on top of them? >> >> How would one go about expanding a 4 HDD RAID10 into a 6 HDD RAID10? >> Is it "just" a matter of creating a new RAID1 array of the 2 new HDDs, >> then adding them to the RAID0, then expanding whatever is on that >> (lvm, xfs, ext4)? >> >> Are there any design tips, or caveats? For example, how many disks >> would you use at most, in a RAID10 setup? >> >> Kind regards, >> // Mathias >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-raid" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> > > > > -- > Best regards, > [COOLCOLD-RIPN] > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Roberto Spadim Spadim Technology / SPAEmpresarial -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
