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looks like the Samsung 840-Pro in my desktop is dying (?). it corrupted my VS2005 and VS2012 installs so that the IDEs would start, but the compilers would crash. running the installer's repair seems to have fixed them, for now.
Samsung's diag tool says the drive is perfectly fine, however.
anyone else ever experience anything like that?
modified 18-Apr-14 8:32am.
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Hopefully you don't have an older motherboard with the Sandybridge bug? This could explain such behaviour.
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I hope you will all reply and talk about this a bit more. I am looking into upgrading my older laptop (Toshiba Satellite) to an SSD. What is the sandybridge bug?
Amazon Reviews
I've seen numerous people -- on Amazon.com reviews of various SSDs -- say their SSD worked great for 1 week, 3 weeks, 5 months and then just totally and completely died.
Known Issues?
Is this a known issue? Can someone talk about number of lifetime read/writes? Does some software just read/write so much they kill the SSDs? Is the technology not valid with Windows 7, 8? etc?
I appreciate the community's response to these. Very interested.
Thanks,
~Newton
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newton.saber wrote: What is the sandybridge bug?
Basically Intel got something wrong in their ICH6 chipset for Sandybridge processors, known more correctly as the Cougar Point chipset flaw. Over time the Sata II ports would begin to fail - the more you used them, the faster the failure. Intel claim(ed) that no actual data loss would occur as the disk simply went off-line - having had a motherboard with the bug I beg to differ. The flaw was discovered in January 2011 and Intel halted all production until it was cured.
That said, my first Samsung SSD (an older PM800) also failed after about 13 months, but a firmware flash and "re-format" seemed to repair it. I only use it as a portable data drive now though.
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I also had one of those boards, and the problem (at least in my case) was exactly as Intel described it--ports simply disappeared.
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Unless you're trying to run a write heavy server on a consumer SSD, you'll never hit the write limit on an SSD before its flash dies of old age in 5-10 years. Because it's a write failure not a read problem and the way flash is written consists of trying to set a value repeatedly until it succeeds it's not a source of data loss.
Lastly, the write limits are extremely conservative. Tech Report[^] has been doing a long term write torture test of SSDs; and despite being at ~10x the drives warrantied write limits, none of the drives have came close to loosing enough flash blocks to be visible to the user as a drop in capacity. This is because some of the total capacity is set aside by the controller both to handle failures (HDDs do this too), but also for performance boosting reasons.
Did you ever see history portrayed as an old man with a wise brow and pulseless heart, waging all things in the balance of reason?
Is not rather the genius of history like an eternal, imploring maiden, full of fire, with a burning heart and flaming soul, humanly warm and humanly beautiful?
--Zachris Topelius
Training a telescope on one’s own belly button will only reveal lint. You like that? You go right on staring at it. I prefer looking at galaxies.
-- Sarah Hoyt
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I and another local developer have been using SSDs for the past 4 years. I have a 256GB SSD tucked away in my old development machine... it's somewhere in the house (wife just reported present location). I have had ZERO problems, and frankly, the speed increase is so dramatic, I just won't go back to rotating platters...
In doing my research, the one failure characteristic I was able to determine is "instant death". One day the drive is there, the next it isn't. Since I've had standard drives do this to me, I consider it a wash. As always, BACKUPS BACKUPS BACKUPS. The write limits are so high that I'm sure my laptop will die before the memory will die.
Charlie Gilley
<italic>You're going to tell me what I want to know, or I'm going to beat you to death in your own house.
"Where liberty dwells, there is my country." B. Franklin, 1783
“They who can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.” BF, 1759
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I've never heard of anything remotely like this. Other than the fact that you have disk corruption, your debugging is ambiguous. I've had Windows Updates toast installations before.
How old is this machine?
Charlie Gilley
<italic>You're going to tell me what I want to know, or I'm going to beat you to death in your own house.
"Where liberty dwells, there is my country." B. Franklin, 1783
“They who can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.” BF, 1759
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machine's not too old . a couple of years. win7.
i suspected the SSD because i got a blue screen a couple of days ago that said something that made me think there might be something up with the SSD. don't remember the exact msg, though.
but, there was a Windows update a couple of days ago. maybe that's what caused this problem.
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A couple of years means I would rule out the power supply. When older machines start to freak on me (or family members), the very first thing I do is buy a new supply. Most of the PS' are not that good to begin with, so it's an easy troubleshooting step. It's not 100% certain your hw is good, but it's so much more likely a sw issue. Drivers, etc.
Somewhere deep in the confines of the sys admin area, you should be able to look up the exact crash message.
Charlie Gilley
<italic>You're going to tell me what I want to know, or I'm going to beat you to death in your own house.
"Where liberty dwells, there is my country." B. Franklin, 1783
“They who can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.” BF, 1759
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yeah.... i see about 100 of these in the event logs:
"The file system structure on the disk is corrupt and unusable. Please run the chkdsk utility on the volume Local C."
over a span of 4 days.
looks like they started when the system came out of sleep mode.
also looks like the system lost power the day before that and shut down unexpectedly.
so... i'm guessing power failure corrupted the SSD / file system
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Interesting. I just checked my event viewer. A few errors, the disk errors are attributable to a USB stick I use.
FWIW, I avoid sleep mode like the plague, as it almost always bites me in the butt. Since an SSD results in such a fast boot...
As far as the power loss, well I'm on a laptop hence always on a UPS. Might want to invest $50 or so in a basic UPS.
You made your disk backup, right? 
Charlie Gilley
<italic>You're going to tell me what I want to know, or I'm going to beat you to death in your own house.
"Where liberty dwells, there is my country." B. Franklin, 1783
“They who can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.” BF, 1759
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charlieg wrote: Might want to invest $50 or so in a basic UPS.
sadly, i already did that. might be time for a new one.
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The one SSD drive I had fail got a few errors like that and then completely failed, there wasn't that slow grind to death that regular hard drives seem to get.
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Also, freedom of speech is not a thing in Europe, even though everyone thinks it is.
Here in Europe, we have "freedom of speech as long as the government doesn't object to your speech", which is a different way of saying "no freedom of speech, suckers".
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What about Speakers Corner[^] in Hyde Park, London?
The report of my death was an exaggeration - Mark Twain
Simply Elegant Designs JimmyRopes Designs
I'm on-line therefore I am.
JimmyRopes
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Are you allowed to use them to advocate for the abolition of the monarchy, criticize judges, glorify terrorism or to hold racist speeches?
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I hope this doesn't get too soapbox-y but there isn't even an illusion of free speech in a lot of countries. Saying anything against the government can get you anything ranging from harassment to a one-way trip to the bottom of the nearest river.
Those who whine about their rights being violated should consider themselves lucky.
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Yeah, we have that in the USA as well.
Except the government doesn't monitor it - your speech is monitored by hate groups that will destroy your career, protest in your yard, or conduct smear campaigns against you until you go on TV and cry for Barbara Walters.
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"Here in Europe" is a bit wide sweeping as definitions go.
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Quote: "Here in Europe" is a bit wide sweeping as definitions go.
It is more specific than ROW, which lots of people use in the US to refer to the "rest of the world." 
There are only 10 types of people in the world, those who understand binary and those who don't.
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It can be even more widely sweeping and it'll still be true.
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