Paul Heinlein wrote:
> 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.
Let's see, how many grad students did the first digital computer need to
replace the burned-out tubes? Was it about that many?
But I agree, he does win the 'Net for today. I propose we award him one
(1) valuable resource... say, an IPv4 address. <g>
mark
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