January 27, 201115 yr So now the race is on, I wonder which will happen first: Scenario A) Tom rewrites unRAID's MD driver and we all get faster servers Scenario B) SSDs become large and cheap enough that we all replace our HDDs with SSDs and the MD driver rewrite becomes unnecessary I figure this race is on a multi-year scale. After all, Tom is hindered by mother nature's rotational latency as winter spins back into place allowing him to be "snowed in for a week with no internet access".
February 1, 201115 yr Scenario B) SSDs become large and cheap enough that we all replace our HDDs with SSDs I know that only a few years ago, flash devices had a rather limited life expectancy on write cycles. I presume that current technology will be somewhat better, but what is the life expectancy of an SSD vis-a-vis a conventional rotating magnetic disk?
February 1, 201115 yr Scenario B) SSDs become large and cheap enough that we all replace our HDDs with SSDs I know that only a few years ago, flash devices had a rather limited life expectancy on write cycles. I presume that current technology will be somewhat better, but what is the life expectancy of an SSD vis-a-vis a conventional rotating magnetic disk? SSD have limited write cycles but the read lifetime is much higher. I typically write to a drive once and then read from it many many times. There are a few drives (Parity and Cache mostly) that get "beat up" by my usage pattern that I would not want to be SSD's at this point.
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