[CentOS] Information Week: RHEL 7 released today

Thu Jun 12 18:54:27 UTC 2014
Paul Heinlein <heinlein at madboa.com>

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 at etr-usa.com> 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.