Personal computing discussed
Moderators: renee, morphine, Steel
drfish wrote:FWIW I haven't had any issues with the latest Sandforce drives since the most recent firmware.
Derfer wrote:Whatever SSD you get you should update the firmware right away. Seems every drive has had a BSOD bug at this point.
Madman wrote:The only question is how these drives fail when they reach their write cycle limit, do they just stop writing? Start writing crap?
Ryu Connor wrote:Madman wrote:The only question is how these drives fail when they reach their write cycle limit, do they just stop writing? Start writing crap?
Nothing quite so nice. It will write, it will even write the data correctly. Everything is fine and then after a certain amount of time it will corrupt.
Madman wrote:
The only question is how these drives fail when they reach their write cycle limit, do they just stop writing? Start writing crap?
Compton wrote:See the attribute 177 "wear leveling count"? That's the average number of PE cycles expended. Each time a block gets erased, and later written on, that count increases. The 830 uses 27nm Samsung Toggle NAND, and is capable of max sequential writes of 168+MB/s in contrast to it's SATA III 64GB counterparts. It's used 16,879 PE cycles for NAND that is at best rated at 5000PE cycles.
Madman wrote:If I understood correctly, you're 3x past the write/erase cycle ceiling, in two months?
Ryu Connor wrote:Unless he's periodically baking the SSD in an oven his methodology is flawed.
Compton wrote:In certain circumstances, I have seen SSDs become read only, but their retention period is usually only a day or two by then.
Compton wrote:Here is the good news: You're never going to wear out the NAND. It's just... impractical. Especially with larger capacity drives.
JBI wrote:Yup. We've had this discussion before. Manufacturers of flash chips define "death" as "the chip doesn't meet its specs for length of data retention any more". IIRC the standard is typically something like 10 years.