[Dovecot] SSD drives are really fast running Dovecot

[Timo Sirainen]

On 13.1.2011, at 19.37, Robert Brockway wrote:

> Hi Timo.  Wear levelling often isn't as good as is claimed on the box. Often wear levelling is only across subsets of the SSD not across the entire device.
> 
> I've seen several SSD drives fail in production after about 12 months of use, and this in low-write environments (eg, I log syslog to a remote syslog server).   I'm refraining from deploying SSD for mail servers for now, much as I would love to.


How do they fail? Supposedly once a cell has reached its erase-limit it should become read-only. Maybe the failures had nothing to do with wearing?