On Fri, 8 Feb 2013, Adam Goryachev wrote:
Though, like I said, would adding an extra SSD to the RAID5, and reducing the size of all partitions by 20%, and then doing TRIM on that newly freed space, would that improve performance because of the extra free space the SSD can "work with" ?
Yes, that probably doubles the overprovisioning on the drive, which should be beneficial in a lot of aspects.
<http://en.wikipedia.org/wiki/Garbage_collection_(SSD)#Over-provisioning> -- Mikael Abrahamsson email: swmike@xxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html