Raid 0 using SSDs - performance and reliability
- Thread starter KaareZ
- Start date
terroralpha
Distinguished
- Jun 23, 2009
- 371
- 0
- 18,960
i've had my Samsung 840 Pro SSDs in RAID 0 for over a year and they took a lot of abuse. random freezes and shut downs due to overclock instability. power outages (the under ground wires near my home are a mess and the city is too stupid to fix it). i had a graphic card blow up. a motherboard blew up. and still he chugged along. i moved my raided drives 4 times now to new motherboard (3 of those times to new chipsets). never had to rebuild my raid.
my RAID 0 should have failed 20 times already, but every time i turn my computer back on after a loss of power.. there is it. still alive and kicking.
recently i stepped up to 850 Pros though. still in RAID 0
read and write speed pretty much doubled for me. last time i did a benchmark i hit over 1000 MB/s sequential reading AND writing.
my RAID 0 should have failed 20 times already, but every time i turn my computer back on after a loss of power.. there is it. still alive and kicking.
recently i stepped up to 850 Pros though. still in RAID 0
read and write speed pretty much doubled for me. last time i did a benchmark i hit over 1000 MB/s sequential reading AND writing.
SuperSoph_WD
Glorious
- Jul 30, 2014
- 6,758
- 3
- 45,960
Hey, KaareZ!
There isn't almost any difference between using one SSD and RAID 0-ing 2 of them in speed performance.
Putting them in RAID 0 actually doubles your chance of data failure. It would be much safer if you just use them seperately without RAID-ing.
Here's a benchmark article about One SSD Vs. Two In RAID: http://www.tomshardware.com/reviews/ssd-raid-benchmark,3485-13.html
Check out the detailed results and see for yourself if you are willin to take that chance.
Hope this helps you.
Keep us posted.
There isn't almost any difference between using one SSD and RAID 0-ing 2 of them in speed performance.
Putting them in RAID 0 actually doubles your chance of data failure. It would be much safer if you just use them seperately without RAID-ing.
Here's a benchmark article about One SSD Vs. Two In RAID: http://www.tomshardware.com/reviews/ssd-raid-benchmark,3485-13.html
Check out the detailed results and see for yourself if you are willin to take that chance.
Hope this helps you.
Keep us posted.
Failure rate isn't random or uniform, it increases proportionally with the age of the the device. With that said, Samsung's 840 (non-pro) and 840 EVO use Samsung's TLC NAND Flash. TLC NAND has a much lower write endurance and slower response time than MLC NAND. It's so low that I really wouldn't recommend using it in a RAID format.
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