On 2 February 2012 18:19, Matt <matt.mailinglists at gmail.com> 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? Sun were recommending using SSDs for the ZIL in really big ZFS install *years ago* so go for it. As long as you are using TRIM then you avoid the slowdown that happens once the ssd is full http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Storage_Administration_Guide/newmds-ssdtuning.html mike