I'm not a right-winger nor anti-intellectual. I simply made a typo. Grammer fascists on sites like Slashdot make me mad.:D
The problem that I have with Indymedia is that while they present themselves as journalists, in reality the "coverage" it offers is Kuro5hin-style editorial content.
When I read the New York Times or Washington Post, the editorial opinion is generally found in the Op-ED section of the paper or can be derived by the selection of stories that go to print.
Then Indymedia is not independent, and they are just as bad the the "mainstream media" they claim to be an alternative too.
If the liberals and radicals held themselves to the same standards they hold the rest of society, there would be a quota of non-leftwing articles appearing on the front page.
Wow, I'm glad that Slashdot is offering a non-biased "independent" view of the news that is free of the evil influences of the capitalist bourgoiuse imperialist leaning of traditional media.
This is the type of journalism that I would expect from a website like Indymedia. Too bad Slashdot is adopting it.
If the management of Google were truly enlightened OpenSource evangelists, they would have given away the software for free. Google has built it's success on the back of Free Software developers, to the point that it should be called GNU/Google. Using Free and Liberated software to create a commercial monster is offensive and wrong.
I demand that Google allow Jesse Jackson, ESR and RMS on-site to persuade Google to go GPL and to investigate alleged GPL violations.
In addition, I call for the formation of the GNUggle project, an entirely Free search engine that runs of GNU/Hurd systems only.
Acutally the $10,000 toilet seat was an utterly brilliant scam.
While idiots like you laughed at how ludicrous this was, thousands of dollars were being laundered to provide funding for 'black' operations or guerilla groups overseas.
Your last paragraph makes me think you're a troll.
In case you aren't. Get the book "An Introduction to Database Systems" by Date
Also look at the comp.databases.informix newsgroup. There is alot of good high-level (and troll-free) discussion of database concepts and issues in addition to informix-specific stuff.
Hard drives may be more reliable than tapes, but when the server room has water spewing from the AC and your controllers short out, guess what?
Your "backups" are toast.
Floods, tornadoes, fires, etc happen. Sometimes people fly planes into buildings. When that happens, tapes are the only thing that keeps your business in business.
Gigabit ethernet is switched and is this scenario I could see routing only packets to one or two middleware servers... in this case you would get a higher utilization I think.
If 500 MB/sec of data transfer is needed for whatever application this guy is running, and he is the guy in charge of planning for it, the question is moot since the company will be out of business real soon.
RAID-5 and relational databases are a dangerous mixture. Not only does RAID 5 give you a 50% performance hit, but there are cases where data will be lost or corrupted without you ever hearing about it.
In the event of partial media failure over time with one or more disks in a RAID set, errors can be introduced into your data that will not be detected by partity checks. Once the drive runs out of sectors to remap you'll eventually have data that cannot be reconstructed by the ECC code on the drive.
Also, in the event of total drive failure, the rebuilding process performed automatically by the controllers can reduce overall performance by up to 85%.
RAID 10 is the way to go. Not only do you get highest possible level of performance and redundancy, but you suffer no performance hits during a single failure.
Don't read this post and scoff "I've never had drives break like that". I've worked in some large data facilities (ie 400-500 TERAbytes of storage) and have entire defective batches of 200 brand-new disks. Although hardware failures happen much less than they did in the past, they can and do happen every day.
So my advice to you:
1. Keep your current Fibre-channel configuration.
2. Buy more drives than you need, max out your array.
3. Backup the data, ditch RAID-5 and build RAID 10 volumes.
4. Reload the data, carefully plan where your busy tables and transaction logs are to avoid hot disks.
5. Conduct a through analysis of how your data is accessed and rearrange the volumes accordingly. Re-analyze everything every quarter.
You have reached the point of maximal return looking at your performance issues from the POV of a system administrator. You need to get a very smart DBA or start reading at this point. Designing your physical database design around your queries is the only way to pull signifigant performance increases out of your system. (except for getting rid of RAID-5)
Also, your performance expectations are too high for x86 equipment. You are never going to push out 100MB/sec from a database, even with trivial queries and optimized tables.
I'm sure that sure that everyone in China & Portugal is using an English-based operating system that is primarilly command-line... yeah.
Most people overseas use the copy of Windows that came with their computer or a pirated copy in their national lanuage.
Have you ever been outside of the United States? In China you can buy DVD's with every product that Microsoft makes for $15. If one spoke good Mandarin it probaly would be more like $3. When I was in Egypt copies of Windows were to be had for a couple of bucks in the street.
My head may be in the sand -- but yours is in the clouds. Linux is just as tedious for desktop use in China as it is in the US.
Except for some hokey city in Florida that used to be a HP-UX shop for some reason, a few cheapo small businesses and some enthusiasts, nobody runs Linux as a desktop.
Bob Young's job is to make his company make money. He cannot do that by pitching a half-assed desktop operating system. He does it by pitching a high quality server system & embedded developent enviroment.
The biggest threat to Linux today is the Linux crowd. The outright poor development of the 2.4 kernel and refusal by the kernel maintainer to accept patches from well-known developers is the beginning of the end. Linux will cease to be one thing and turn into an overforked patchwork, just like OSF in the early 90's.
Here is a list of computers that meet energy star guidelines:
http://yosemite1.epa.gov/estar/consumers.nsf/con te nt/computers.htm
Good time to get rid of legacy shit...
on
Disaster Recovery?
·
· Score: 2
Now might be a good time to take a good look at what you wanted to get rid of in your old network.
Since everything is destroyed for the most part, use this as an opertunity to get rid of those pesky NT 3.51, Novell Netware, and Vax machines that have been cluttering up the computer room.
Ditch that legacy shit and start anew with the insurance check. (Presuming the machines were insured.)
"Hi, I'm an experienced programmer who is going to implement a massively complex project in a brand-new and probaly buggy language. Also, the language in question (C#) will never work on any platform other than Windows and I would like advice from Slashdot readers (??)
I'm so experienced at programming that I don't need to know what exactly it is I am doing. Since I will be using the.NET archicecture, I'll be able to send all game state changes to thousands of clients at the same time from a single server."
Traditional redundancy schemes(raid, etc) just aren't a factor in the Google system.
Google's applications replicate data across hundreds or thousands of servers in real-time. Most of their thousands of systems can be pulled off-line with no signifigant data loss or impact on the overall system.
Read some of the past Slashdot stories on google that describe how it works. I believe there was a story in June or July that showed how they achieve great performance & rendundancy on the cheap.
Google isn't using SAN arrays -- they are using thousands of disributed systems with one or two drives. In this model, they are saving memory by using DRAM, if not by direct energy savings then by savings in cooling equipment.
Slashdot Mirror
I'm not a right-winger nor anti-intellectual. I simply made a typo. Grammer fascists on sites like Slashdot make me mad. :D
The problem that I have with Indymedia is that while they present themselves as journalists, in reality the "coverage" it offers is Kuro5hin-style editorial content.
When I read the New York Times or Washington Post, the editorial opinion is generally found in the Op-ED section of the paper or can be derived by the selection of stories that go to print.
Then Indymedia is not independent, and they are just as bad the the "mainstream media" they claim to be an alternative too.
If the liberals and radicals held themselves to the same standards they hold the rest of society, there would be a quota of non-leftwing articles appearing on the front page.
My guess is Computer and tech types age 16-28 who are students, IT workers or power computer users.
It's a very technology-oriented audience that is more white and suburban than the typical american.
In a classroom, you'd find most of the students bored to tears with Slashdot.
Wow, I'm glad that Slashdot is offering a non-biased "independent" view of the news that is free of the evil influences of the capitalist bourgoiuse imperialist leaning of traditional media.
This is the type of journalism that I would expect from a website like Indymedia. Too bad Slashdot is adopting it.
An even more interesting question would be "Why did the power industry lobby for regulations that would bankrupt it?"
You'll find that few of your students will identify with the particular viewpoints expressed by the "Slashdot community"
What the hell are you talking about?
Utility rates have soared because deregulation allowed companies like Enron to purchase stable utility companies and run them into the ground.
I'll take heavily regulated or co-op utilities any day.
If the management of Google were truly enlightened OpenSource evangelists, they would have given away the software for free. Google has built it's success on the back of Free Software developers, to the point that it should be called GNU/Google. Using Free and Liberated software to create a commercial monster is offensive and wrong.
I demand that Google allow Jesse Jackson, ESR and RMS on-site to persuade Google to go GPL and to investigate alleged GPL violations.
In addition, I call for the formation of the GNUggle project, an entirely Free search engine that runs of GNU/Hurd systems only.
Acutally the $10,000 toilet seat was an utterly brilliant scam.
While idiots like you laughed at how ludicrous this was, thousands of dollars were being laundered to provide funding for 'black' operations or guerilla groups overseas.
Your last paragraph makes me think you're a troll.
In case you aren't. Get the book "An Introduction to Database Systems" by Date
Also look at the comp.databases.informix newsgroup. There is alot of good high-level (and troll-free) discussion of database concepts and issues in addition to informix-specific stuff.
Hard drives may be more reliable than tapes, but when the server room has water spewing from the AC and your controllers short out, guess what?
Your "backups" are toast.
Floods, tornadoes, fires, etc happen. Sometimes people fly planes into buildings. When that happens, tapes are the only thing that keeps your business in business.
Who in their right mind would make the firewall a central logging server anyway?
Do you store your valuables on the front steps of your house?
Gigabit ethernet is switched and is this scenario I could see routing only packets to one or two middleware servers... in this case you would get a higher utilization I think.
If 500 MB/sec of data transfer is needed for whatever application this guy is running, and he is the guy in charge of planning for it, the question is moot since the company will be out of business real soon.
RAID-5 and relational databases are a dangerous mixture. Not only does RAID 5 give you a 50% performance hit, but there are cases where data will be lost or corrupted without you ever hearing about it.
In the event of partial media failure over time with one or more disks in a RAID set, errors can be introduced into your data that will not be detected by partity checks. Once the drive runs out of sectors to remap you'll eventually have data that cannot be reconstructed by the ECC code on the drive.
Also, in the event of total drive failure, the rebuilding process performed automatically by the controllers can reduce overall performance by up to 85%.
RAID 10 is the way to go. Not only do you get highest possible level of performance and redundancy, but you suffer no performance hits during a single failure.
Don't read this post and scoff "I've never had drives break like that". I've worked in some large data facilities (ie 400-500 TERAbytes of storage) and have entire defective batches of 200 brand-new disks. Although hardware failures happen much less than they did in the past, they can and do happen every day.
So my advice to you:
1. Keep your current Fibre-channel configuration.
2. Buy more drives than you need, max out your array.
3. Backup the data, ditch RAID-5 and build RAID 10 volumes.
4. Reload the data, carefully plan where your busy tables and transaction logs are to avoid hot disks.
5. Conduct a through analysis of how your data is accessed and rearrange the volumes accordingly. Re-analyze everything every quarter.
You have reached the point of maximal return looking at your performance issues from the POV of a system administrator. You need to get a very smart DBA or start reading at this point. Designing your physical database design around your queries is the only way to pull signifigant performance increases out of your system. (except for getting rid of RAID-5)
Also, your performance expectations are too high for x86 equipment. You are never going to push out 100MB/sec from a database, even with trivial queries and optimized tables.
I'm sure that sure that everyone in China & Portugal is using an English-based operating system that is primarilly command-line... yeah.
Most people overseas use the copy of Windows that came with their computer or a pirated copy in their national lanuage.
Have you ever been outside of the United States? In China you can buy DVD's with every product that Microsoft makes for $15. If one spoke good Mandarin it probaly would be more like $3. When I was in Egypt copies of Windows were to be had for a couple of bucks in the street.
My head may be in the sand -- but yours is in the clouds. Linux is just as tedious for desktop use in China as it is in the US.
That may suck, but it's true.
Except for some hokey city in Florida that used to be a HP-UX shop for some reason, a few cheapo small businesses and some enthusiasts, nobody runs Linux as a desktop.
Bob Young's job is to make his company make money. He cannot do that by pitching a half-assed desktop operating system. He does it by pitching a high quality server system & embedded developent enviroment.
The biggest threat to Linux today is the Linux crowd. The outright poor development of the 2.4 kernel and refusal by the kernel maintainer to accept patches from well-known developers is the beginning of the end. Linux will cease to be one thing and turn into an overforked patchwork, just like OSF in the early 90's.
If they'd like to own the whole software package, license the whole thing back to them at a healthy rate.
Redevelop the portions of software that they developed code to and write a EULA next time.
Here is a list of computers that meet energy star guidelines:
n te nt/computers.htm
http://yosemite1.epa.gov/estar/consumers.nsf/co
Now might be a good time to take a good look at what you wanted to get rid of in your old network.
Since everything is destroyed for the most part, use this as an opertunity to get rid of those pesky NT 3.51, Novell Netware, and Vax machines that have been cluttering up the computer room.
Ditch that legacy shit and start anew with the insurance check. (Presuming the machines were insured.)
The March 2002 edition of daemonnews will be published in March.
Hey!
The grammer & spelling improved!
Google has performed the impossible!
"Hi, I'm an experienced programmer who is going to implement a massively complex project in a brand-new and probaly buggy language. Also, the language in question (C#) will never work on any platform other than Windows and I would like advice from Slashdot readers (??)
.NET archicecture, I'll be able to send all game state changes to thousands of clients at the same time from a single server."
I'm so experienced at programming that I don't need to know what exactly it is I am doing. Since I will be using the
Traditional redundancy schemes(raid, etc) just aren't a factor in the Google system.
Google's applications replicate data across hundreds or thousands of servers in real-time. Most of their thousands of systems can be pulled off-line with no signifigant data loss or impact on the overall system.
Read some of the past Slashdot stories on google that describe how it works. I believe there was a story in June or July that showed how they achieve great performance & rendundancy on the cheap.
Irrelevant in the google model.
Google isn't using SAN arrays -- they are using thousands of disributed systems with one or two drives. In this model, they are saving memory by using DRAM, if not by direct energy savings then by savings in cooling equipment.
DRAM requires little electricity and produces almost no heat.
Hard disks consume large amounts of electricity, and produce large amounts of heat, since they consist of pieces of metal spinning at 7200rpm.
Using DRAM upfront costs quite a bit more, but uses less electricity and requires fewer chillers, condensors, etc to keep cool.