TRIM considerations when repartitioning a SSD
Adam Vande More
amvandemore at gmail.com
Thu Aug 28 22:24:05 UTC 2014
On Thu, Aug 28, 2014 at 4:54 PM, Mike Clarke <jmc-freebsd2 at milibyte.co.uk>
> FreeBSD 9.3-RELEASE
> I may soon need to repartition a SSD which has a zpool on it and was
> wondering what is the best method of ensuring that all blocks get
> marked as no longer in use.
> Is gpart sufficiently TRIM aware to be able to just use gpart delete?
Extremely doubtful that it is. You generally must reset the drive eg
camcontrol security da4 -s buhbyesweetdata -e buhbyesweetdata
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