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chris blogs: Anatomy of a Ceph meltdown
A quick word on our setup: We have three file servers with 12TB storage each that provide each three Ceph OSDs, a monitor, and MDS (to provide CephFS to a shell server and the office machines). Connected to these are two virtualization hosts that run 24 virtual machines total in QEMU/KVM. The file servers and virtualization hosts run on Gentoo, most VM are Debian, a few run Windows. The setup is very redundant: Ceph guarantees each file server can drop out without problems, and if one virtualization host goes down, we can start all machines on the other host (even if main memory gets a bit tight then).

Unfortunately, Ceph itself is a single point of failure: when Ceph goes down, no virtual machine works.
ceph  devops  filesystem  cloud  outage 
10 days ago by euler
Twitter
RT : I wonder if Hope Hicks wrote this. Seriously.
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10 days ago by mattsaler
Twitter
The New York Times has its first black woman on the masthead in 167 years of printing, and she worked her way up fr…
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10 days ago by andriak
Twitter
⬆ +28 Coinbase Launches a PayPal Like Plugging For Ethereum, Bitcoin, Bitcoin Cash and Litecoin…
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10 days ago by toddc
Twitter
RT : Basically, the answer is no. Anyone can be blocked from a jury "simply because the accused or the prose…
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10 days ago by jbfink
Twitter
I’d love to break the because-of link, too: e.g. talk about how Steve Jobs did things despite being over…
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10 days ago by acdha
Twitter
This thread (and esp the postscript)
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10 days ago by ryanpitts
Twitter
RT : Ayo good morning Logang wass poppin
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10 days ago by burk3
Twitter
While I appreciate the Rachel Brand leaving DOJ to work at Walmart jokes, in defense of Walmart — they are the worl…
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10 days ago by TracyWMeyer
Twitter
RT : No, no, no. This isn’t “pro-family.” This is evil. The news has been almost impossible to bear lately. Pray. And ge…
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10 days ago by mattsaler
Twitter
The UCC gets it, at least. The lineup of sheltering churches opposite the 81% is a pretty stark il…
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10 days ago by mattsaler
Twitter
RT : Trump appears to be working in concert with Moscow on this. Russians ran a likely dangle op (…
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10 days ago by burritojustice
Why the Web 3.0 Matters and you should know about it
There’s plenty of buzz around the web 3.0 and the sweeping changes it will bring to the industry, but few people actually know why it spawned and what it will bring. To understand this, it’s necessary to travel back in time and examine it predecessors, Web 1.0 & 2.0.
IFTTT  Pocket 
10 days ago by designerbrent
Winter Olympics 2018: Inside the Opening Ceremonies Drone Show | WIRED
The opening ceremony of any Olympics provides pageantry at a global scale, a celebration that, at its best, can create moments every bit as indelible as the games themselves.
IFTTT  Pocket 
10 days ago by designerbrent
Twitter
I truly have the best listeners 💕
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10 days ago by hoodwink73
London’s fatberg on show: ‘We thought of pickling it’ | Culture | The Guardian
“We have lots of weapons at our disposal,” Saunders says, “but sometimes, as with the Whitechapel one, it is so impacted that a lot of it is the teams going down and chiselling away by hand.”

In London, which has a magnified version of a universal problem because the sewers are so large, this work never stops. Thames Water has teams working full time; usually they are aware of five or six fatbergs that are growing. Some cause immediate blockages, others like the one in Whitechapel don’t. Saunders estimates the work costs £1m a month, but that doesn’t include the collateral damage of “sewage flooding living rooms and public spaces cordoned off and out of bounds because they are contaminated”.

Because the substance itself is somewhat volatile though, and of an unusual consistency, they still had to rewrite procedure to work out how to deal with it. “We had our head of conservation look at it,” Sparkes says. “We initially thought about pickling it like one of Damien Hirst’s cows. The problem with that, we felt, was that it would likely make it liquid and runny.” What they did instead was to dry the samples. They did this at different rates, uncertain how it would respond. In the event, the one that was dried most quickly has crumbled into pieces; the other remains intact.

Health and safety was an inevitable concern. “Worst case scenario if it is handled incorrectly is death,” Sparkes suggests. “It has come out of the sewer so it might contain Weil’s disease.”
sewer  britain  work 
10 days ago by craniac
Pyeongchang Olympics Organizers Investigating Possible Cyberattack on Opening Day
Pyeongchang Olympics Organizers Investigating Possible Cyberattack on Opening Day
circleid 
10 days ago by em
Twitter
Looking back, '13-'15 was Best of Times to be a Late Seed / Series A SaaS investor, even though wasn't clear at tim…
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10 days ago by dshaw
2000+L00 ◉ DOUBLE TOUR
★★★★ (Columbia) (38 tracks) (All tracks under 1999+L and 1996+L)
068.CABREL 
10 days ago by TOTOTRACKS
Twitter
Yesterday someone at work called me a nerd for offering to lend another co-worker my Norse Mythology book by…
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10 days ago by lizconlan
Twitter
If I tweet about tech and then I tweet about things that bother me in the world, how am I bothering you? Please don…
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10 days ago by spawn968
Twitter
My arm chair analysis says that "pocket presence" is directly linked to trust. No QB on Earth would have…
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10 days ago by simonmiller1
Twitter
This is what white male privilege looks like. It's what it looks like to have an abuser in the White House.
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10 days ago by gregorybflynn
fontawesome cheatsheet
html entities for fontawesome icons, very useful for apple news development
web-development 
10 days ago by jmuyskens
Twitter
yeah, but he already brought the gun out and fired shots into the air. It's not like he was carrying i…
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10 days ago by jbfink
Twitter
RT : Saw a girl in a Ramones shirt & asked her to name her five favorite songs & she just looked at me & said nothing. T…
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10 days ago by gaelicWizard
Twitter
*sitting in nuclear fall out shelter sometime in the near future*
Trump supporter: “I just thought he’d be good for…
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10 days ago by hyperfekt
Twitter
Every time I tweet about my former governor and current vice president Mike Pence, I get responses like, "There's s…
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10 days ago by fkbarrett
when the world has dealt its cards by thisismydesignn [Archive of Our Own]
Tony Stark has never claimed to be a role model, let alone a good influence. Case in point...

Part 1 of the wild thoughts series
3k+  *  pwp  underage  a.thisismydesignn  tony/peter  avengers  2018-02 
10 days ago by pastself
Twitter
RT : me to my friends with mental health issues: oh my god i love you so much!!! you’re such a precious little angel and…
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10 days ago by gaelicWizard
Twitter
RT : So, what he’s saying–hear me out–is that not standing up during a ceremonial event is one way to protest something…
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10 days ago by jasonpjason
Twitter
Tässä kun on lasten sanomisista keskusteltu, niin en meinannut uskoa itsekään tätä meidän seiskaveen tuotosta.
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10 days ago by mieky
Twitter
RT : Somebody read this nice long boi a book 😭😭😭 help.
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10 days ago by gaelicWizard
Twitter
“appeared to express doubts”
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10 days ago by andriak
Twitter
RT : Trump used the death of Border Patrol Agent Rogelio Martinez to justify building his border wall, claimed Martinez…
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10 days ago by sjenkins
Meet the pirate queen making academic papers free online
In cramped quarters at Russia’s Higher School of Economics, shared by four students and a cat, sat a server with 13 hard drives. The server hosted Sci-Hub, a…
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10 days ago by llitchi
Twitter
furry_irl

Source: by /u/LikulausShorts
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10 days ago by ciphpercoder
Twitter
RT : This Curb Your Enthusiasm post on self-driving cars by is the best.
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10 days ago by tante
How to Use the HomePod's Physical Controls - Mac Rumors
“HomePod gestures can activate Siri, control the volume of what's playing, skip to the next song, pause/play and more. All of the touch gestures you can use with the HomePod are below.”
gestures  homepod  macrumors  audio  music  2018 
10 days ago by handcoding
Twitter
Couldn’t decide on one caption so here are some options:

If this is “The Letterman Effect” I’m HERE for it.

Som…
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10 days ago by mattgriffin
Twitter
"My son 6 yr old son is having a hard time defeating Ganon in BoTW. So he started leaving inspirational notes to hi…
from twitter
10 days ago by dunstan
Love, Changing Tenses
Bruce goes to the funeral as himself for a reason. Not so he can make friends with Mrs. Kent; that part's an accident. And definitely not so he can posthumously fall for Clark Kent, which is an even bigger accident. But it's fine. He can handle it.

Until Clark rises from the grave, that is.
dcu  fanfiction  bruce/clark  explicit 
10 days ago by juliandarling
Twitter
So grateful for some Saturday Learning in Napa at Benefit Camp
cuerockstar  from twitter
10 days ago by lguardino
Twitter
always wake up so thirsty, grab water bottle in a rush, ends up with a ‘clink’ sound when my teeth collide with the…
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10 days ago by jkdt2
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