There's no reason to use SLC these days really... Once you start writing in large density with intent on retaining data for some period of time, you'll be striping that data across 10-100 SSDs... The combined wear-life even with cheaper MLC drives still puts you up over 100 years for most products.
It's pretty easy to take the Drive Writes Per Day (DWPD) or PetaBytes Written (PBW) for the drives and add them all up... most any install will 10+ drives will outlast any standard 5 year hardware refresh cycle.
Disclaimer: I work for a large flash company and have been selling this stuff for the last 5 years.
...is that in a properly-designed SSD, there is no such thing as data fragmentation. You lay out the nand as a circular log and write to every bit of it once before you overwrite, and maintain a set of pointers that translates LBA to memory addresses.
Pretty much every SSD vendor out there has figured this out a few years ago.
I have a PDF scan of all important IDs/health cards/etc on a drive in my safe deposit box. It's also where I store my long term email/document archives.
I keep a mirror at home, which is what I update most frequently and any time I go to the bank, I just swap the external home drive with the one in the safe deposit box, go home and rsync the current data to it.
My safe deposit box key lives in a floor safe in my home which should survive even a gas leak explosion/tornado/etc.
Now that you can easily fit 3-6TB in an external enclosure, you can do some pretty flexible things with backups.
Here's my system.
Local 3TB drive in system, mirrored to 2nd internal 3TB drive Nightly, I rsync that data to a 3TB mirrored NAS Weekly I rsync that data to a 2nd 3TB mirrored NAS Monthly, I rsync to an external 3TB enclosure via USB
When I go to the bank to deposit checks every month or two, I swap the 3TB external USB enclosure with an identical one in my safe deposit box.
Only costs me $50 a year for the safe deposit box, and I don't have to worry about my neighbors breaking anything.
Also, I have a 2nd manual version of my backup scripts featuring --delete for when storage starts to fill.
The artist draws everything in vector and often puts a lot of little details into each frame. A vector viewer is available (swf) allowing you to zoom in and appreciate all the little details.
We've been touching monitors for quite a long time without any issue. It's been completely unnecessary up until now, but I doubt there will be many issues with monitors finally responding to user touch and doing something useful in return.
The cache on a hard disk is often used as write cache - store incoming data in cache, leave actually committing it to disk until a convenient opportunity arises.
32MB of cache doesn't take that long to flush. 1GB, OTOH...
You're forgetting that a hybrid drive would be using NAND flash vs DRAM... NAND is a NVRAM and won't have to be flushed to disk in the event of a power outage. It is persistent.
That said, they may still use a little bit of DRAM cache in the drive.
If you aren't needing to store more than 64GB of material then you could substitute "thumb drive" or "CF/SD card and reader" for portable USB drive... solid state media will be 'safer' for long-term storage but obviously afford less space-per-dollar.
Negative. NAND flash w/o active management is NOT a "safe" storage medium, especially in larger sizes of MLC flash.
NAND cells love to flip bits/etc. just for the fun of it. Unless you have some active process to continually check bits and verify they haven't changed, I would not trust it for long term storage.
It's true that NAND is non-volatile and will store electrons for a long period of time, but there isn't too much of a guarantee that the information recorded stays in-tact for long, unpowered bits of time.
That's impressive. Who's your cell phone provider and what sort of package do you need to get that deal? The carriers I know of charge 15 to 20 cents per message (although you can get a discount on the first N messages with a package).
I have Verizon and pay $4/month for 400 txt messages...
Slashdot Mirror
There's no reason to use SLC these days really... Once you start writing in large density with intent on retaining data for some period of time, you'll be striping that data across 10-100 SSDs... The combined wear-life even with cheaper MLC drives still puts you up over 100 years for most products.
It's pretty easy to take the Drive Writes Per Day (DWPD) or PetaBytes Written (PBW) for the drives and add them all up... most any install will 10+ drives will outlast any standard 5 year hardware refresh cycle.
Disclaimer: I work for a large flash company and have been selling this stuff for the last 5 years.
-- Dave
You don't want to just cut fuel with the same air intake... then you just run lean and ruin the motor with detonation.
The car simply closes the butterfly valve, cutting air, and thus cutting fuel as a result of less metered air in the plenum.
-- Dave
...but I appreciate what their marketing team has done for the rest of the headphone industry...
...is that in a properly-designed SSD, there is no such thing as data fragmentation. You lay out the nand as a circular log and write to every bit of it once before you overwrite, and maintain a set of pointers that translates LBA to memory addresses.
Pretty much every SSD vendor out there has figured this out a few years ago.
I have a PDF scan of all important IDs/health cards/etc on a drive in my safe deposit box. It's also where I store my long term email/document archives.
I keep a mirror at home, which is what I update most frequently and any time I go to the bank, I just swap the external home drive with the one in the safe deposit box, go home and rsync the current data to it.
My safe deposit box key lives in a floor safe in my home which should survive even a gas leak explosion/tornado/etc.
-- Dave
Now that you can easily fit 3-6TB in an external enclosure, you can do some pretty flexible things with backups.
Here's my system.
Local 3TB drive in system, mirrored to 2nd internal 3TB drive
Nightly, I rsync that data to a 3TB mirrored NAS
Weekly I rsync that data to a 2nd 3TB mirrored NAS
Monthly, I rsync to an external 3TB enclosure via USB
When I go to the bank to deposit checks every month or two, I swap the 3TB external USB enclosure with an identical one in my safe deposit box.
Only costs me $50 a year for the safe deposit box, and I don't have to worry about my neighbors breaking anything.
Also, I have a 2nd manual version of my backup scripts featuring --delete for when storage starts to fill.
-- Dave
Have you looked at the price point of the ioScale cards?
The link is here in your settings: https://www.facebook.com/settings
Link is at the bottom... "Download a copy of your Facebook data."
-- Dave
...Radiation-wise...
That's one of the important pieces to take away from this... we can get to Mars and survive the trip... and can likely do a return trip.
Oh, why the hell am I never logged in when I post stuff like this, lol...
...I use it so that I get a new pack of socks every 6 months...
Nothing better than coming home from work to a fresh package of socks!
ERMAGHERD SCHOCKS!
The artist draws everything in vector and often puts a lot of little details into each frame.
A vector viewer is available (swf) allowing you to zoom in and appreciate all the little details.
http://www.alpha-shade.com/0Comics/pages.php
Check them out. Definitely one of the most artsy comics I've seen online.
-- Dave
We've been touching monitors for quite a long time without any issue. It's been completely unnecessary up until now, but I doubt there will be many issues with monitors finally responding to user touch and doing something useful in return.
-- Dave
Been using NX for years, I love it.
Wish there were some more updates to nomachine... are there any other clients out there that are more up to date?
The cache on a hard disk is often used as write cache - store incoming data in cache, leave actually committing it to disk until a convenient opportunity arises.
32MB of cache doesn't take that long to flush. 1GB, OTOH...
You're forgetting that a hybrid drive would be using NAND flash vs DRAM... NAND is a NVRAM and won't have to be flushed to disk in the event of a power outage. It is persistent.
That said, they may still use a little bit of DRAM cache in the drive.
-- Dave
If you aren't needing to store more than 64GB of material then you could substitute "thumb drive" or "CF/SD card and reader" for portable USB drive ... solid state media will be 'safer' for long-term storage but obviously afford less space-per-dollar.
Negative. NAND flash w/o active management is NOT a "safe" storage medium, especially in larger sizes of MLC flash.
NAND cells love to flip bits/etc. just for the fun of it. Unless you have some active process to continually check bits and verify they haven't changed, I would not trust it for long term storage.
It's true that NAND is non-volatile and will store electrons for a long period of time, but there isn't too much of a guarantee that the information recorded stays in-tact for long, unpowered bits of time.
Once you factor in the total cost of ownership for a disk-based SAN eg: heat/cooling/maintenance/etc... Flash is actually pretty cheap.
Sounds like they are just using different wavelength (wavelength = color) lasers to push multiple signals down the same strand...
This is an old idea and is already in use all over the world.
-- Dave
I saw that site a few weeks ago when folks were going gaga over PS's "new" feature (GIMP Resynth has been around for a few years now)...
I'm sure Adobe has seen it, I'm sure Adobe took the time to try and make theirs better.
The question is the Adobe implementation worth the cost of PS, or is the GIMP plugin "Good enough"
That really comes down to the consumer though. I think it is "Good enough" for my needs...I can easily touch-up anything it does that I disagree with.
-- Dave
But THIS is why I read slashdot. All that other news stuff is just fluff.
And if you read Hack A Day, you could have read about it 5 days ago...
http://hackaday.com/2010/04/15/mindstorm-plays-tetris-for-you/
-- Dave
That's impressive. Who's your cell phone provider and what sort of package do you need to get that deal? The carriers I know of charge 15 to 20 cents per message (although you can get a discount on the first N messages with a package).
I have Verizon and pay $4/month for 400 txt messages...
That's $0.01/message.
And anyone in the US can get that.
-- Dave
WANem is a FANTASTIC product.
I use it heavily at work for generating latency into our net applications to see how they might behave across really shitty links.
It's great injecting out of sequence and randomly ordered packets at the click of a button =)
-- Dave
Quantum would be an atomically short distance...
IE: a "Quantum leap" is just an electron jumping to another valence level in an atom... it's not a very large distance =)
I think you are forgetting that Michael Jackson owns the rights to all of the Beatles songs (in a joint partnership with Sony).
He bought the company that held the rights for $47 million in 1985.
-- Dave
F'ing Metallicops, go!