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566 | 566 | <th><img src="pics/fh.png" width=99% height=99%></th>
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567 | 567 | </tr>
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568 | 568 | <aside class="notes">
|
569 |
| - Before we take a break and grab those beers, kindly arranged by CN, I have two things to add. |
570 |
| -1. I'd like to express my deepest gratitude to a person that inspires me quite a lot. Many of you know him, his name is FH and if you have never heard about this person, you're missing out... big time. I attended one of his hands on workshops at OpenStack Nordics, by chance, then I found him on Twitter, then on YouTube, then I found his awesome blog. In the spirit of sharing my astounding discovery, I ran to my colleagues ”have y’all seen this guy's blog???” Some of them replied ” oh yeah, we've been reading his posts for years, he's really good!!” Argh, the kind of valuable information people don't share. Seriously, check out his talks on YouTube and his blog! |
571 |
| -- advance to next slide - |
| 569 | +<br>Before we take a break and grab those beers, kindly arranged by CN, I have two things to add. |
| 570 | +<br>I'd like to express my deepest gratitude to a person that inspires me quite a lot. |
| 571 | +<br>Many of you know him, his name is FH and if you have never heard about this person, you're missing out... big time. |
| 572 | +<br>I attended one of his hands on workshops at OpenStack Nordics, by chance, then I found him on Twitter, then on YouTube, then I found his awesome blog. |
| 573 | +<br>In the spirit of sharing my astounding discovery, I ran to my colleagues ”have y’all seen this guy's blog???” Some of them replied ” oh yeah, we've been reading his posts for years, he's really good!!” |
| 574 | +<br>Argh, the kind of valuable information people don't share. Seriously, check out his talks on YouTube and his blog! |
572 | 575 | </aside>
|
573 | 576 | </section>
|
574 | 577 | <!–– Slide15 ––>
|
|
579 | 582 | <br>Secondly, it's my desire to leave you with a thought.
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580 | 583 | <br>I came to the realization that most of the things we learn are provisional and in consequence they are open to recantation and refutation. I enjoy this path of questioning everything, why do we do things a certain way.
|
581 | 584 | <br><br>In 2001 my first job was sysadmin working for a big Eastern European Internet Service Provider
|
582 |
| -Many customers asked to move their web servers and mail servers on our premises. |
583 |
| -It was because their services would access directly the big pipe and we had a generator. 2001 Eastern Europe meant lots of power outages ... daily. |
| 585 | +<br>Many customers asked to move their web servers and mail servers on our premises. |
| 586 | +<br>It was because their services would access directly the big pipe and we had a generator. 2001 Eastern Europe meant lots of power outages ... daily. |
584 | 587 |
|
585 |
| -<br><br>They would bring desktop tower PCs we had a room with tables against the wall and we lined up the towers on these tables. Soon enough, we ran out of physical space on those tables and bought racks. We asked customers to buy rackable servers in order to host with us, then we ran out of space again and somewhere 2005 we started using VMs. |
586 |
| -Fast forward, today our datacenters are collections of those stacked boxes that used to be desktop computers. To me, this is insane, does it make any sense to you? Should we go down the timeline of computer history and have racks of disks and racks of memory and CPU and racks of NICs? |
587 |
| -- advance to next slide - |
| 588 | +<br><br>They would bring desktop tower PCs that we would place on and under lined up tables against the wall. Soon enough, we ran out of physical space on those tables and bought racks. |
| 589 | +<br>We asked customers to buy rackable servers in order to host with us, then we ran out of space again, we build an awesome datacenter and somewhere 2005 we ran out of space there too. We started using VMs with kvms. |
| 590 | +<br><br>Fast forward, today our datacenters are collections of those stacked boxes that used to be desktop computers. To me, this is insane, does it make any sense to you? Should we go down the timeline of computer history and disagragate it all and have racks of compute, memory, storage, networking? |
588 | 591 | </aside>
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589 | 592 | </section>
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590 | 593 |
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