[CentOS] Booting Software RAID

Mon Jan 27 15:57:10 UTC 2014
m.roth at 5-cent.us <m.roth at 5-cent.us>

Les Mikesell wrote:
> On Mon, Jan 27, 2014 at 9:26 AM, Matt <matt.mailinglists at gmail.com> wrote:
>>>
>> Based on input from everyone here I am thinking of an alternate setup.
>>  Single small inexpensive 64GB SSD used as /boot, / and swap.  Putting
>> /vz on software RAID1 array on the two 4TB drives.  I can likely just
>> zip tie the SSD in the 1u case somewhere since I have no more drive
>> bays.  Does this seem like a better layout?
>
> There's a whole different set of issues with drives over 2TB.  Not
> even sure if everything said earlier is correct for them especially
> regarding autodetect:
> https://raid.wiki.kernel.org/index.php/RAID_superblock_formats
>
> Booting from something smaller might have advantages.
>
Yeah. A question - I've missed this discussion - you *do* have the drives
partioned GPT, right? MBR is *not* compatible with > 2TB.

      mark