No argument, but the thing is that there is one definitive checksum of what should be on-disk when you're dealing with zfs/btrfs. When you're dealing with Ceph each storage server keeps its own checksum at the filesystem level (if you're running it on zfs/btrfs - otherwise no protection at all).
On the other hand, it does sound like the network traffic is checksummed, so the only real risk is to bugs, memory/cpu errors, or manipulation of the on-disk files.
People go on about ECC, but as far as I can tell neither btrfs nor zfs are any more vulnerable to memory errors than anything else. It is just a matter of RAM being the next largest source of risk once you've eliminated the disks, so it is the next logical thing to fix. Using ECC with these filesystems probably provides no more or less protection than using ECC with any other filesystem. Of course, if you can add it economically to your system, you probably should consider it.
This is cancer spending, not antibiotic spending. Cancer gets a lot more attention, probably because most people know people who have died from cancer, many of them relatives, and fear dying from it themselves some day the way they don't fear dying from MRSA.
For comcast the lines are shared all the way up, so it definitely costs them money to transmit more data.
The thing about bandwidth is that the cost is a step function. You deploy so many lines, and you pay a fortune up-front for that. Then bandwidth is "free" up to a certain rate. After that you upgrade again for another small fortune.
The most sensible model for something like a last-mile ISP is a cost-plus model. Look at their total costs, divide by their total usage, add 3%, and make that the rate everybody pays. The rate gets adjusted as the figures change. Costs are regulated as well - the company can't just spend on anything it cares to and bill it to the customers with a 3% profit on top.
And I'm all for breaking up the vertical integration so that they're ONLY doing the last mile.
Yup. At work they went through training to explain to employees that it was safe to point out problems to management. It basically accomplished nothing except for legal butt-covering, because everybody knows that if you have to tell somebody that it is safe to confide in you, it probably isn't.
In your view, the fact that people were given for free a piece of music is something they should rightfully complain about? Without us making fun of them?
In your view, the fact that people were given for free a piece of spam is something they should rightfully complain about? Without us making fun of them?
So what if an email were added to your inbox free of charge just like an email you actually wanted to read? You basically just described spam in a nutshell.
Sure, for one album one time only it is just a minor annoyance. However, if it happened with any regularity it would make a cloud-based music service useless. When I pull up my library, I want to view MY library, not the library some music promoter thinks I should have.
Makes sense. Google Play has had $0 album promotions on occassion. If you don't "buy" the album you might miss out on it, but nothing shows up in your library unless you go out and buy it. Nobody complains about this.
If the local store offered a free roll of toilet paper with every purchase before 10AM next Saturday nobody would be bothered by it. If the same store went around throwing rolls of toilet paper at everybody's houses at night people would complain, and rightly so.
Tor is configurable bandwidth wise. If I wanted to saturate my connection 24x7 using Tor, I probably could. It isn't interactive use, so I don't have a problem with prohibiting that.
I run a tor relay-only node and have it configured to use a very modest amount of bandwidth, and I've never gotten a complaint from my ISP about it. I'm sure if I ran it 24x7 at 90% of my capacity, I would hear about it.
I do think we need to move to a better pricing model for internet access. Paying for unlimited that isn't unlimited just leads to endless arguments. The contract should be based on usage with some kind of measurement attached, and then you get what you pay for. The rate should be regulated, since right now US ISPs are near-monopolies.
My electricity supplier doesn't care if I run a datacenter in my basement, as long as I pay my bills on time. That is because I don't pay for "unlimited" electricity. If electricity would be billed at a flat rate then you'd have the eco police doing random inspections for incandescent lightbulbs, insufficiently insulated windows, termostats set too high/low, and so on. Better to just let people pay for what they use and they then have incentive to buy bulbs that don't waste power.
I don't really see any evidence for substantial spending on antibiotic R&D. If you can point to some kind of citation for this I'm certainly curious.
Antibiotics aren't really a chemical class either, since there are many mechanisms of action. A chemical class would be something like beta-lactam antibiotics, etc. I suspect that particular class is mostly played-out, but there are potentially as many mechanisms for attacking bacteria as there are unique metabolic pathways in bacteria.
I don't mean to trivialize drug development - it seems to have slowed down across the board which probably reflects that most of the "low-hanging fruit" is gone. I think it is a far stretch to go from that to saying that there won't be any new drugs of any particular kind.
Looking at this, it seems like we have about 75k MRSA cases per year. If you want to make a decent profit of around $100M/yr off of that, then you need to charge about $1500 per case. That wouldn't be an amazing blockbuster, but it probably would be sustainable. If you could charge $15k/case then it would be a solidly profitable drug.
There are a few problems with those numbers. One is whether introducing an antibiotic would reduce the incidence rate. Obviously we would want it to, but that means fewer cases, and so you need to charge more per case. Also, what percentage of those cases are among people with insurance willing to pay those kinds of fees for treatment. If you end up treating people for a reduced charge or for free, then again there isn't much profit.
If some first world nation offered a bounty for a treatment that made up for these shortcomings I bet you'd see a determined effort to discover a new antibiotic.
Well, they don't care if the connections even go through one tier - it is data they'd prefer to not be carrying.
Also, the connections are encrypted, which means they can't see what is going on inside and sell data about that to others, and they can't inject ads into it either. That means that unlike regular web traffic they can't profit from it on the side. They also have no idea where it is ultimately going, so they can't selectively downgrade connections and extort more money from whoever is providing the data.
Basically, tor doesn't work like a TV station, and in the end TV stations are what Comcast understands.
The cost to develop a drug is actually a matter of considerable debate. I'll agree that $100M is a lower-end figure for it. Most of the cost depends on how many failed candidates you factor into the calculations. The cost to actually develop a successful drug is probably $50M or so. The problem is that for every one of those you have many failures, but most of those tend to be abandoned before the full $50M gets spent.
My point is just that MRSA isn't commonplace enough to be a priority for private investment. People will pay $25k for a cancer treatment, but not for an antibiotic. Antibiotics aren't taken chronically either.
Don't get me wrong - I'm all for spending more on antibiotics. The money should come from taxes, and the resulting antibiotics should be illegal to prescribe except when there is evidence that other antibiotics would be effective (or something to this effect, I'm more than happy to let the experts define the appropriate diagnostic criteria but I certainly don't want to see the NIH spend $1B on a MRSA cure only to see it put in "hand soap").
When I talk to the average person on the street in the US, they talk about ISIS. They might even talk about the NSA. They don't talk about MRSA.
The demand SHOULD be huge, but the reality is that it isn't.
This article suggests that we only JUST started spending $30M per year on antibiotic research. At that pace it seems like it would take years to come up with a viable drug, and that is only if the NSF/NIH spend some of the money on actual development and not just blue-sky research, which they rarely do. Clinical trials are the expensive part, and usually the government just tries to sell the drug to a pharma company and get them to fund those. That means that only the strongest candidates would be pursued, and most likely the resulting drugs will be expensive. If there was money in any of this the drug companies would be spending their own money.
Being rude isn't going to make a cure emerge either. I realize that R&D isn't like building a bridge. There is a lot of serendipity involved. However, if you're spending $0 on R&D you'll probably have a lot less serendipity than if you are spending $100M on it.
In a sense this is a self-regulating problem. If a LOT of people start dying from bacterial infections you'll see new antibiotics developed. The problem today is that there isn't much public funding for antibiotics, and there isn't much demand for new ones. Sure, the few who need them REALLY need them, but stuff like MRSA is still fairly rare. Nobody wants to pay $100k for a 10-day supply of antibiotics.
The problem is that developing a new antibiotic costs around $100M or so. (Well, it would be more accurate to say that the new antibiotic would cost $10-20M, but to find it you'd have to spend $80M on a bunch of other antibiotics that don't work out.) Whether you believe in patents or not, SOMEBODY has to spend that money if we want a new antibiotic. The market just doesn't exist for that kind of expenditure, so you won't see private companies doing it until the market grows (ie, more people start dying). Governments don't seem to care much about the issue either - any of the first world nations could easily fund this research but they all want somebody else to do it for them so that they can just do compulsory licensing of the resulting products and get them for cheap (well, the US won't do this since they're in bed with Pharma, but they're busy bombing people in Iraq). Tragedy of the commons...
Did you read the post you replied to. He wasn't suggesting anything that required anybody to comply with government orders. He basically advocated putting a big wall around the infection zones and mowing down anybody who tried to climb over.
Completely sidestepping the huge moral issues, I'm not convinced that could actually be done at a national level. At least, not for countries in Africa - there is just way too much area to try to patrol. You really need geographic barriers if you're going to do something like that for anything bigger than a city (and even a city would require a HUGE force/effort to lock down). If all the infection areas are surrounded by some natural barrier then you could make that your line of defense - people can't easily cross open deserts/etc without vehicles and those could be easily detected and destroyed from the air. Anybody who manages to make it through could probably be spotted for days in advance. Africa itself would be able to be geographically isolated if you cut off all air and shipping to the continent.
The problem with what you propose is that it is a race to the bottom. If you require domestic companies to treat workers in a certain way, but allow them to trade freely with companies in other countries that do not have to treat workers in this way, then everybody is going to outsource everything to whatever country has the fewest controls, until everybody repeals all their worker protections to keep people employed.
Free trade and socialism just don't mix. It is far more sensible to band together with other countries that desire to have similar standards of living and cooperate together to create trade barriers that discriminate against countries that do not legislate a similar standard of living.
I'm not talking about sending the marines into some country to overthrow their government. They can treat each other like cattle if that is what their culture demands, but their goods won't be sold cheaper in the civilized world as a result. I'm all for helping out developing countries so that they can have a better standard of living as well, but that doesn't extend to lowering trade barriers without improving conditions. Otherwise megacorporations will just abuse everybody, and the last thing they care about is the welfare of their employees beyond whatever it takes to keep the gears of production turning.
First, this study didn't test "intelligence." Second, it was looking for individual genes that contribute to it. It is a MAJOR stretch to say that it has concluded anything about intelligence not being determined by genetics. Rather, you can only conclude that taken individually there is a big list of genes that do not have a detectable influence on the characteristics that were measured in the study.
Ugh - if I wasn't running btrfs I'd be running lvm+mdadm. The last thing I want is to have to have a ton of mounts everywhere simply because the underlying storage management system doesn't support dynamic resizing. Sure, there are lots of good reasons to use different filesystems for certain things, but I don't want to have to do it just to juggle hard drives.
Right now I'm running btrfs. If I want to add/remove drives I can just do it, and the space gets used. If I want to I could set up multiple subvolumes and directly mount them, but I don't have to do that just to juggle drives.
As far as rearranging raid geometry goes - I've done this just about everytime I've increased my drive sizes. Sure, we probably wouldn't do it at work since we can just have the shareholders sacrifice a few hundred bucks for spare drives to hold everything while we rebuild arrays from scratch, or more likely we'd just have them pay $1000/TB for some big-name SAN. At home I don't have an extra 5 hard drives just sitting in a box to play with, so I'll pick a storage system that affords me flexibility without having to start over.
As I've said elsewhere in this thread - zfs is targetted mostly at people who are managing dozens of hard drives, not individual workstations, and it is looking more at things sold by EMC/etc as competitors. Btrfs is more targetted at being an ext4/lvm/mdadm replacement.
I was just reading up on Ceph a bit. One thing that does have me concerned is that it does not appear to do any kind of content checksumming. Of course, if you store the underlying data on btrfs or zfs you'll benefit from that checksumming at the level of a single storage node. However, if for whatever reason one node in a cluster decides to store something different than all the other nodes in a cluster before handing it over to the filesystem, then you're going to have inconsistency. I'm shocked that they don't do some kind of checksumming at some level on the client and store that with the metadata.
Apparently if an inconsistency is detected one copy is treated as the primary copy by default and it just overwrites the others, regardless of whether the one primary copy differs from 75 replicate copies of it, etc.
It just seems a bit odd - if you're going to suffer all the performance penalties of a distributed storage system, you'd think that you'd do EVERYTHING you could to insure data integrity. I'd consider having one definitive version of what a file should contain a priority. Plus, if you hash everything at some level I'd think that this would make stuff like dedup easier anyway.
I tend to agree that Ceph is much more promising at large scale, but btrfs is more targeted at being a replacement for the likes of ext4. I haven't actually looked at it in a while, so thanks for reminding me about it. Perhaps I'll be crazy enough to run it at home one of these days.:)
The problem with this is that you don't have any practical recourse.
Kickstarter claims that they don't owe you a dime, and you have to go after the company you funded.
The company you funded probably will just ignore you, and declare bankruptcy if enough people successfully sue them.
The only way to get anything is to sue somebody, and good luck doing that over $50 or whatever - it would cost that much just to file in small claims court, and I imagine that jurisdiction would be a major headache. Even if you got a judgement from your local court, it would be of little use unless the company you're suing owns property in your state.
Sure, but even in a mirrored btrfs configuration you don't have to add drives in pairs. Btrfs doesn't do mirroring at the drive level - it does it at the chunk level. So, chunk A might be mirrored across drives 1 and 2, and chunk B might be mirrored across drives 2 and 3. For the most part you can add a single n GB drive at a time and expand your usable storage capacity by n/2 GB. You don't have to rebalance anything when you add a new drive - it will just be used for new chunks in that case. However, in most cases you'll want to force a rebalance.
Another way to look at it is a zfs analogy. Let's set up 5 drives in a raid-z configuration in zfs. However, instead of creating a vdev with 5 drives, instead create 1000 partitions on each of those drives. Then create a vdev using the first partition on each of those drives, and add that to the zpool. Leave the rest of the drives unused. Then if space starts getting full, create another vdev using the second partition on each of those drives, and add that to the zpool. Continue operating in this manner. Then if the drives are half allocated to vedevs you can add another drive with 1000 partitions, and now whenever the zpool gets full you create a vdev that goes across all 6 drives. If the new drive is half the capacity of the others then you'd only put 500 partitions on it. If you decide you want to try mirroring, then the next time you need space pick the two drives with the most free partitions and create a vdev using one partition on each in a mirrored configuration.
This is basically how btrfs does multiple devices - the drives are allocated into chunks when needed, and the raid-like structures operate on top of those. This allows for more flexibility, since rebuilding/adding/removing/etc can be done a few chunks at a time, instead of a few drives at a time.
for western companies operating in Russia is to hire "logistics consultants" among locals who do all the actual bribing. It provides a degree of separation - a plausible deniability.
Yeah, I am working on a computer system that facilitates international transactions, and part of me wonders if part of the value-add of outsourcing some of the paperwork-handling in some countries comes from them handling paper of a different kind. We just pay a fee for them to do the job - who knows what they use it for.
Well, the issue is that in many countries these payments are not legal - but those laws are just never enforced. So, I'm not sure if those payments are actually legal under the FCPA. You are right that this is just how business is done - the local government probably barely pays some types of officials at all, realizing that they'll do the job just for the bribes.
I think FCPA is a good idea, the problem is that we don't level the playing field. If the US got everybody else to pass similar laws and enforce them, then the playing field would be level. The problem is that if a US company follows the FCPA and a German company does not, the US company is at a disadvantage (I just picked Germany at random - for all I know they have a similar law that is well-enforced).
I think that first-world countries actually need to stick together a bit more to get rid of this nonsense. Ditto for environmental laws - as much as the US/EU squabble over some of that, compared to some other countries both are environmental paradises and they should really set up trade barriers to keep companies from outsourcing pollution. I realize that this would probably result in the EU putting tariffs on US goods to make up for our lack of decent universal healthcare, and I don't really have a problem with that - what is good for the goose is good for the gander.
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No argument, but the thing is that there is one definitive checksum of what should be on-disk when you're dealing with zfs/btrfs. When you're dealing with Ceph each storage server keeps its own checksum at the filesystem level (if you're running it on zfs/btrfs - otherwise no protection at all).
On the other hand, it does sound like the network traffic is checksummed, so the only real risk is to bugs, memory/cpu errors, or manipulation of the on-disk files.
People go on about ECC, but as far as I can tell neither btrfs nor zfs are any more vulnerable to memory errors than anything else. It is just a matter of RAM being the next largest source of risk once you've eliminated the disks, so it is the next logical thing to fix. Using ECC with these filesystems probably provides no more or less protection than using ECC with any other filesystem. Of course, if you can add it economically to your system, you probably should consider it.
This is cancer spending, not antibiotic spending. Cancer gets a lot more attention, probably because most people know people who have died from cancer, many of them relatives, and fear dying from it themselves some day the way they don't fear dying from MRSA.
For comcast the lines are shared all the way up, so it definitely costs them money to transmit more data.
The thing about bandwidth is that the cost is a step function. You deploy so many lines, and you pay a fortune up-front for that. Then bandwidth is "free" up to a certain rate. After that you upgrade again for another small fortune.
The most sensible model for something like a last-mile ISP is a cost-plus model. Look at their total costs, divide by their total usage, add 3%, and make that the rate everybody pays. The rate gets adjusted as the figures change. Costs are regulated as well - the company can't just spend on anything it cares to and bill it to the customers with a 3% profit on top.
And I'm all for breaking up the vertical integration so that they're ONLY doing the last mile.
That's a nice document you have there...
Yup. At work they went through training to explain to employees that it was safe to point out problems to management. It basically accomplished nothing except for legal butt-covering, because everybody knows that if you have to tell somebody that it is safe to confide in you, it probably isn't.
In your view, the fact that people were given for free a piece of music is something they should rightfully complain about? Without us making fun of them?
In your view, the fact that people were given for free a piece of spam is something they should rightfully complain about? Without us making fun of them?
The answer is, "yes."
So what if an email were added to your inbox free of charge just like an email you actually wanted to read? You basically just described spam in a nutshell.
Sure, for one album one time only it is just a minor annoyance. However, if it happened with any regularity it would make a cloud-based music service useless. When I pull up my library, I want to view MY library, not the library some music promoter thinks I should have.
Makes sense. Google Play has had $0 album promotions on occassion. If you don't "buy" the album you might miss out on it, but nothing shows up in your library unless you go out and buy it. Nobody complains about this.
If the local store offered a free roll of toilet paper with every purchase before 10AM next Saturday nobody would be bothered by it. If the same store went around throwing rolls of toilet paper at everybody's houses at night people would complain, and rightly so.
Tor is configurable bandwidth wise. If I wanted to saturate my connection 24x7 using Tor, I probably could. It isn't interactive use, so I don't have a problem with prohibiting that.
I run a tor relay-only node and have it configured to use a very modest amount of bandwidth, and I've never gotten a complaint from my ISP about it. I'm sure if I ran it 24x7 at 90% of my capacity, I would hear about it.
I do think we need to move to a better pricing model for internet access. Paying for unlimited that isn't unlimited just leads to endless arguments. The contract should be based on usage with some kind of measurement attached, and then you get what you pay for. The rate should be regulated, since right now US ISPs are near-monopolies.
My electricity supplier doesn't care if I run a datacenter in my basement, as long as I pay my bills on time. That is because I don't pay for "unlimited" electricity. If electricity would be billed at a flat rate then you'd have the eco police doing random inspections for incandescent lightbulbs, insufficiently insulated windows, termostats set too high/low, and so on. Better to just let people pay for what they use and they then have incentive to buy bulbs that don't waste power.
I don't really see any evidence for substantial spending on antibiotic R&D. If you can point to some kind of citation for this I'm certainly curious.
Antibiotics aren't really a chemical class either, since there are many mechanisms of action. A chemical class would be something like beta-lactam antibiotics, etc. I suspect that particular class is mostly played-out, but there are potentially as many mechanisms for attacking bacteria as there are unique metabolic pathways in bacteria.
I don't mean to trivialize drug development - it seems to have slowed down across the board which probably reflects that most of the "low-hanging fruit" is gone. I think it is a far stretch to go from that to saying that there won't be any new drugs of any particular kind.
Looking at this, it seems like we have about 75k MRSA cases per year. If you want to make a decent profit of around $100M/yr off of that, then you need to charge about $1500 per case. That wouldn't be an amazing blockbuster, but it probably would be sustainable. If you could charge $15k/case then it would be a solidly profitable drug.
There are a few problems with those numbers. One is whether introducing an antibiotic would reduce the incidence rate. Obviously we would want it to, but that means fewer cases, and so you need to charge more per case. Also, what percentage of those cases are among people with insurance willing to pay those kinds of fees for treatment. If you end up treating people for a reduced charge or for free, then again there isn't much profit.
If some first world nation offered a bounty for a treatment that made up for these shortcomings I bet you'd see a determined effort to discover a new antibiotic.
Well, they don't care if the connections even go through one tier - it is data they'd prefer to not be carrying.
Also, the connections are encrypted, which means they can't see what is going on inside and sell data about that to others, and they can't inject ads into it either. That means that unlike regular web traffic they can't profit from it on the side. They also have no idea where it is ultimately going, so they can't selectively downgrade connections and extort more money from whoever is providing the data.
Basically, tor doesn't work like a TV station, and in the end TV stations are what Comcast understands.
The cost to develop a drug is actually a matter of considerable debate. I'll agree that $100M is a lower-end figure for it. Most of the cost depends on how many failed candidates you factor into the calculations. The cost to actually develop a successful drug is probably $50M or so. The problem is that for every one of those you have many failures, but most of those tend to be abandoned before the full $50M gets spent.
My point is just that MRSA isn't commonplace enough to be a priority for private investment. People will pay $25k for a cancer treatment, but not for an antibiotic. Antibiotics aren't taken chronically either.
Don't get me wrong - I'm all for spending more on antibiotics. The money should come from taxes, and the resulting antibiotics should be illegal to prescribe except when there is evidence that other antibiotics would be effective (or something to this effect, I'm more than happy to let the experts define the appropriate diagnostic criteria but I certainly don't want to see the NIH spend $1B on a MRSA cure only to see it put in "hand soap").
When I talk to the average person on the street in the US, they talk about ISIS. They might even talk about the NSA. They don't talk about MRSA.
The demand SHOULD be huge, but the reality is that it isn't.
This article suggests that we only JUST started spending $30M per year on antibiotic research. At that pace it seems like it would take years to come up with a viable drug, and that is only if the NSF/NIH spend some of the money on actual development and not just blue-sky research, which they rarely do. Clinical trials are the expensive part, and usually the government just tries to sell the drug to a pharma company and get them to fund those. That means that only the strongest candidates would be pursued, and most likely the resulting drugs will be expensive. If there was money in any of this the drug companies would be spending their own money.
Being rude isn't going to make a cure emerge either. I realize that R&D isn't like building a bridge. There is a lot of serendipity involved. However, if you're spending $0 on R&D you'll probably have a lot less serendipity than if you are spending $100M on it.
In a sense this is a self-regulating problem. If a LOT of people start dying from bacterial infections you'll see new antibiotics developed. The problem today is that there isn't much public funding for antibiotics, and there isn't much demand for new ones. Sure, the few who need them REALLY need them, but stuff like MRSA is still fairly rare. Nobody wants to pay $100k for a 10-day supply of antibiotics.
The problem is that developing a new antibiotic costs around $100M or so. (Well, it would be more accurate to say that the new antibiotic would cost $10-20M, but to find it you'd have to spend $80M on a bunch of other antibiotics that don't work out.) Whether you believe in patents or not, SOMEBODY has to spend that money if we want a new antibiotic. The market just doesn't exist for that kind of expenditure, so you won't see private companies doing it until the market grows (ie, more people start dying). Governments don't seem to care much about the issue either - any of the first world nations could easily fund this research but they all want somebody else to do it for them so that they can just do compulsory licensing of the resulting products and get them for cheap (well, the US won't do this since they're in bed with Pharma, but they're busy bombing people in Iraq). Tragedy of the commons...
Did you read the post you replied to. He wasn't suggesting anything that required anybody to comply with government orders. He basically advocated putting a big wall around the infection zones and mowing down anybody who tried to climb over.
Completely sidestepping the huge moral issues, I'm not convinced that could actually be done at a national level. At least, not for countries in Africa - there is just way too much area to try to patrol. You really need geographic barriers if you're going to do something like that for anything bigger than a city (and even a city would require a HUGE force/effort to lock down). If all the infection areas are surrounded by some natural barrier then you could make that your line of defense - people can't easily cross open deserts/etc without vehicles and those could be easily detected and destroyed from the air. Anybody who manages to make it through could probably be spotted for days in advance. Africa itself would be able to be geographically isolated if you cut off all air and shipping to the continent.
I don't see any of this happening, however.
The problem with what you propose is that it is a race to the bottom. If you require domestic companies to treat workers in a certain way, but allow them to trade freely with companies in other countries that do not have to treat workers in this way, then everybody is going to outsource everything to whatever country has the fewest controls, until everybody repeals all their worker protections to keep people employed.
Free trade and socialism just don't mix. It is far more sensible to band together with other countries that desire to have similar standards of living and cooperate together to create trade barriers that discriminate against countries that do not legislate a similar standard of living.
I'm not talking about sending the marines into some country to overthrow their government. They can treat each other like cattle if that is what their culture demands, but their goods won't be sold cheaper in the civilized world as a result. I'm all for helping out developing countries so that they can have a better standard of living as well, but that doesn't extend to lowering trade barriers without improving conditions. Otherwise megacorporations will just abuse everybody, and the last thing they care about is the welfare of their employees beyond whatever it takes to keep the gears of production turning.
First, this study didn't test "intelligence." Second, it was looking for individual genes that contribute to it. It is a MAJOR stretch to say that it has concluded anything about intelligence not being determined by genetics. Rather, you can only conclude that taken individually there is a big list of genes that do not have a detectable influence on the characteristics that were measured in the study.
Ugh - if I wasn't running btrfs I'd be running lvm+mdadm. The last thing I want is to have to have a ton of mounts everywhere simply because the underlying storage management system doesn't support dynamic resizing. Sure, there are lots of good reasons to use different filesystems for certain things, but I don't want to have to do it just to juggle hard drives.
Right now I'm running btrfs. If I want to add/remove drives I can just do it, and the space gets used. If I want to I could set up multiple subvolumes and directly mount them, but I don't have to do that just to juggle drives.
As far as rearranging raid geometry goes - I've done this just about everytime I've increased my drive sizes. Sure, we probably wouldn't do it at work since we can just have the shareholders sacrifice a few hundred bucks for spare drives to hold everything while we rebuild arrays from scratch, or more likely we'd just have them pay $1000/TB for some big-name SAN. At home I don't have an extra 5 hard drives just sitting in a box to play with, so I'll pick a storage system that affords me flexibility without having to start over.
As I've said elsewhere in this thread - zfs is targetted mostly at people who are managing dozens of hard drives, not individual workstations, and it is looking more at things sold by EMC/etc as competitors. Btrfs is more targetted at being an ext4/lvm/mdadm replacement.
I was just reading up on Ceph a bit. One thing that does have me concerned is that it does not appear to do any kind of content checksumming. Of course, if you store the underlying data on btrfs or zfs you'll benefit from that checksumming at the level of a single storage node. However, if for whatever reason one node in a cluster decides to store something different than all the other nodes in a cluster before handing it over to the filesystem, then you're going to have inconsistency. I'm shocked that they don't do some kind of checksumming at some level on the client and store that with the metadata.
Apparently if an inconsistency is detected one copy is treated as the primary copy by default and it just overwrites the others, regardless of whether the one primary copy differs from 75 replicate copies of it, etc.
It just seems a bit odd - if you're going to suffer all the performance penalties of a distributed storage system, you'd think that you'd do EVERYTHING you could to insure data integrity. I'd consider having one definitive version of what a file should contain a priority. Plus, if you hash everything at some level I'd think that this would make stuff like dedup easier anyway.
I tend to agree that Ceph is much more promising at large scale, but btrfs is more targeted at being a replacement for the likes of ext4. I haven't actually looked at it in a while, so thanks for reminding me about it. Perhaps I'll be crazy enough to run it at home one of these days. :)
The problem with this is that you don't have any practical recourse.
Kickstarter claims that they don't owe you a dime, and you have to go after the company you funded.
The company you funded probably will just ignore you, and declare bankruptcy if enough people successfully sue them.
The only way to get anything is to sue somebody, and good luck doing that over $50 or whatever - it would cost that much just to file in small claims court, and I imagine that jurisdiction would be a major headache. Even if you got a judgement from your local court, it would be of little use unless the company you're suing owns property in your state.
Sure, but even in a mirrored btrfs configuration you don't have to add drives in pairs. Btrfs doesn't do mirroring at the drive level - it does it at the chunk level. So, chunk A might be mirrored across drives 1 and 2, and chunk B might be mirrored across drives 2 and 3. For the most part you can add a single n GB drive at a time and expand your usable storage capacity by n/2 GB. You don't have to rebalance anything when you add a new drive - it will just be used for new chunks in that case. However, in most cases you'll want to force a rebalance.
Another way to look at it is a zfs analogy. Let's set up 5 drives in a raid-z configuration in zfs. However, instead of creating a vdev with 5 drives, instead create 1000 partitions on each of those drives. Then create a vdev using the first partition on each of those drives, and add that to the zpool. Leave the rest of the drives unused. Then if space starts getting full, create another vdev using the second partition on each of those drives, and add that to the zpool. Continue operating in this manner. Then if the drives are half allocated to vedevs you can add another drive with 1000 partitions, and now whenever the zpool gets full you create a vdev that goes across all 6 drives. If the new drive is half the capacity of the others then you'd only put 500 partitions on it. If you decide you want to try mirroring, then the next time you need space pick the two drives with the most free partitions and create a vdev using one partition on each in a mirrored configuration.
This is basically how btrfs does multiple devices - the drives are allocated into chunks when needed, and the raid-like structures operate on top of those. This allows for more flexibility, since rebuilding/adding/removing/etc can be done a few chunks at a time, instead of a few drives at a time.
for western companies operating in Russia is to hire "logistics consultants" among locals who do all the actual bribing. It provides a degree of separation - a plausible deniability.
Yeah, I am working on a computer system that facilitates international transactions, and part of me wonders if part of the value-add of outsourcing some of the paperwork-handling in some countries comes from them handling paper of a different kind. We just pay a fee for them to do the job - who knows what they use it for.
Well, the issue is that in many countries these payments are not legal - but those laws are just never enforced. So, I'm not sure if those payments are actually legal under the FCPA. You are right that this is just how business is done - the local government probably barely pays some types of officials at all, realizing that they'll do the job just for the bribes.
I think FCPA is a good idea, the problem is that we don't level the playing field. If the US got everybody else to pass similar laws and enforce them, then the playing field would be level. The problem is that if a US company follows the FCPA and a German company does not, the US company is at a disadvantage (I just picked Germany at random - for all I know they have a similar law that is well-enforced).
I think that first-world countries actually need to stick together a bit more to get rid of this nonsense. Ditto for environmental laws - as much as the US/EU squabble over some of that, compared to some other countries both are environmental paradises and they should really set up trade barriers to keep companies from outsourcing pollution. I realize that this would probably result in the EU putting tariffs on US goods to make up for our lack of decent universal healthcare, and I don't really have a problem with that - what is good for the goose is good for the gander.