On Thu, 12 Jun 2014, Jeremy Hoel wrote:
> This little bit here is awesome and made me laugh. Thanks!
Agreed. Warren wins the Internet today.
> 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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