This little bit here is awesome and made me laugh. Thanks!
On Thu, Jun 12, 2014 at 5:27 PM, Warren Young <warren@xxxxxxxxxxx> wrote:
>
> [*] The absolute XFS filesystem size limit is about 8 million terabytes,
> which requires about 500 cubic meters of the densest HDDs available
> today. You'd need 13 standard shipping containers (1 TEU) to transport
> them all, without any space for packing material. If we add 20% more
> disks for a reasonable level of redundancy and put them in 24-disk 4U
> chassis and mount those chassis in full-size racks, we need about half a
> soccer field of floor space -- something like ~4000 m^2 -- after
> accounting for walking space, network switches, redundant power, and
> whatnot to run it all. It's so many HDDs that you'd need four or five
> full-time employees in 3 shifts to respond to drive failures fast enough
> to keep an 8 EiB array from falling over due to insufficient redundancy.
> You simply wouldn't make a single XFS filesystem that big today, so
> QED: effectively unlimited.
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