On 02/02/12 14:05, Mike wrote: > On Thu, 2 Feb 2012, William Warren wrote: > >> On 2/2/2012 1:19 PM, Matt wrote: >>> Has anyone installed a high I/O application such as an email server on >>> SSD drives? Was thinking about doing two SSD's in RAID1. It would >>> solve my I/O latency issues but I have heard that SSD's wear out >>> quickly in high I/O situations? Something like each memory location >>> only has X many writes before its done. Just wandering if anyone has >>> tested it and if newer SSD's are better about this? >>> >> it all depends on how much writing you do AND how much spare space the >> drives have. The more spare flash the drives have the longer they'll >> live due to being able to spread the writing wear over a larger area. >> > How very timely, I'm just starting to investigate something similar > myself. I don't have much to contribute however this forum post: > http://www.xtremesystems.org/forums/showthread.php?271063-SSD-Write-Endurance-25nm-Vs-34nm > seems as though it'll be interesting, if I can ever make it through 3500+ > pages to get to the conclusion. > If you're worried about io reliability, then buy a (way more expensive) SLC drive, rather than the consumer level MLC... We have some SLC drives here that from their manufacturer have been rated at 3 or more years of 100% write 24x7... Peter.