Hi, Well ... i think Darren should implement this as a part of zfs-crypto. Secure Delete on SSD looks like quite challenge, when wear leveling and bad block relocation kicks in ;)
Regards Joerg Am 11.11.2009 um 17:53 schrieb Cindy Swearingen: > This feature is described in this RFE: > > http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=4930014 > Secure delete option: erase blocks after they're freed > > cs > > On 11/11/09 09:17, Darren J Moffat wrote: >> Brian Kolaci wrote: >>> Hi, >>> >>> I was discussing the common practice of disk eradication used by many firms >>> for security. I was thinking this may be a useful feature of ZFS to have >>> an option to eradicate data as its removed, meaning after the last >>> reference/snapshot is done and a block is freed, then write the eradication >>> patterns back to the removed blocks. >>> >>> By any chance, has this been discussed or considered before? >> Yes it has been discussed here before. >> It is one of the things I want to look at after ZFS Crypto and block pointer >> rewritter have integrated. >> Also in some juristictions if the data was always encrypted on disk then you >> don't need to write any patterns to erase the blocks. So ZFS Crypto can >> help there. > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
