On Wed, Jan 15, 2014 at 11:25 AM, Alan Kavanagh <alan.kavan...@ericsson.com> wrote: > Cheers Guys > > > > So what would you recommend Oleg. Yes its for linux system. > > > > /Alan > > > > From: Oleg Gelbukh [mailto:ogelb...@mirantis.com] > Sent: January-15-14 10:30 AM > To: OpenStack Development Mailing List (not for usage questions) > Subject: Re: [openstack-dev] [ironic] Disk Eraser > > > > > > On Wed, Jan 15, 2014 at 6:42 PM, Alexei Kornienko > <alexei.kornie...@gmail.com> wrote: > > If you are working on linux system following can help you: > > dd if=/dev/urandom of=/dev/sda bs=4k > > > > I would not recommend that as /dev/urandom is real slow (10-15 MB/s). > > > > -- > > Best regards, > > Oleg Gelbukh > > > > > :) > Best Regards, > > > > On 01/15/2014 04:31 PM, Alan Kavanagh wrote: > > Hi fellow OpenStackers > > > > Does anyone have any recommendations on open source tools for disk > erasure/data destruction software. I have so far looked at DBAN and disk > scrubber and was wondering if ironic team have some better recommendations? > > > > BR > > Alan > > > > _______________________________________________ > > OpenStack-dev mailing list > > OpenStack-dev@lists.openstack.org > > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > > > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > > _______________________________________________ > OpenStack-dev mailing list > OpenStack-dev@lists.openstack.org > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev >
For better or worse, the LVM driver in cinder currently uses /dev/zero (same dd method described above). It's not without it's performance issues but much faster than using /dev/random or shred etc. It gets the job done and is probably the best compromise between performance and security. Thanks, John _______________________________________________ OpenStack-dev mailing list OpenStack-dev@lists.openstack.org http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev